A genus of bacteria comprised of a heterogenous group of gram-negative small rods and coccoid forms associated with arthropods. (From Bergey's Manual of Systematic Bacteriology, vol 1, 1984)
The relationship between two different species of organisms that are interdependent; each gains benefits from the other or a relationship between different species where both of the organisms in question benefit from the presence of the other.
A family of small, gram-negative organisms, often parasitic in humans and other animals, causing diseases that may be transmitted by invertebrate vectors.
Infections with bacteria of the family RICKETTSIACEAE.
Any of numerous winged hymenopterous insects of social as well as solitary habits and having formidable stings.
The relationships of groups of organisms as reflected by their genetic makeup.
A species of parasitic nematode causing Malayan filariasis and having a distribution centering roughly on the Malay peninsula. The life cycle of B. malayi is similar to that of WUCHERERIA BANCROFTI, except that in most areas the principal mosquito vectors belong to the genus Mansonia.
A family (Aphididae) of small insects, in the suborder Sternorrhyncha, that suck the juices of plants. Important genera include Schizaphis and Myzus. The latter is known to carry more than 100 virus diseases between plants.
A superfamily of nematodes of the suborder SPIRURINA. Its organisms possess a filiform body and a mouth surrounded by papillae.
A suborder of HEMIPTERA, called true bugs, characterized by the possession of two pairs of wings. It includes the medically important families CIMICIDAE and REDUVIIDAE. (From Dorland, 28th ed)
A genus of mosquitoes (CULICIDAE) frequently found in tropical and subtropical regions. YELLOW FEVER and DENGUE are two of the diseases that can be transmitted by species of this genus.
Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class INSECTS and the subclass ARACHNIDA, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man.
The number of males per 100 females.
A group of the proteobacteria comprised of facultatively anaerobic and fermentative gram-negative bacteria.
Organs and other anatomical structures of non-human vertebrate and invertebrate animals.
One of the largest orders of mostly marine CRUSTACEA, containing over 10,000 species. Like AMPHIPODA, the other large order in the superorder Peracarida, members are shrimp-like in appearance, have sessile compound eyes, and no carapace. But unlike Amphipoda, they possess abdominal pleopods (modified as gills) and their bodies are dorsoventrally flattened.
A large order of insects characterized by having the mouth parts adapted to piercing or sucking. It is comprised of four suborders: HETEROPTERA, Auchenorrhyncha, Sternorrhyncha, and Coleorrhyncha.
An extensive order of highly specialized insects including bees, wasps, and ants.
Bloodsucking flies of the genus Glossina, found primarily in equatorial Africa. Several species are intermediate hosts of trypanosomes.
Flagellate EUKARYOTES, found mainly in the oceans. They are characterized by the presence of transverse and longitudinal flagella which propel the organisms in a rotating manner through the water. Dinoflagellida were formerly members of the class Phytomastigophorea under the old five kingdom paradigm.
A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.
Constituent of 30S subunit prokaryotic ribosomes containing 1600 nucleotides and 21 proteins. 16S rRNA is involved in initiation of polypeptide synthesis.
A genus of mosquitoes (CULICIDAE) commonly found in tropical regions. Species of this genus are vectors for ST. LOUIS ENCEPHALITIS as well as many other diseases of man and domestic and wild animals.
Slender tubular or hairlike excretory structures found in insects. They emerge from the alimentary canal between the mesenteron (midgut) and the proctodeum (hindgut).
A genus of small, two-winged flies containing approximately 900 described species. These organisms are the most extensively studied of all genera from the standpoint of genetics and cytology.
A species of fruit fly much used in genetics because of the large size of its chromosomes.
Proteins that originate from insect species belonging to the genus DROSOPHILA. The proteins from the most intensely studied species of Drosophila, DROSOPHILA MELANOGASTER, are the subject of much interest in the area of MORPHOGENESIS and development.
Transference of fetal tissue between individuals of the same species or between individuals of different species.
The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed)
The transmission of infectious disease or pathogens from one generation to another. It includes transmission in utero or intrapartum by exposure to blood and secretions, and postpartum exposure via breastfeeding.
A large subphylum of mostly marine ARTHROPODS containing over 42,000 species. They include familiar arthropods such as lobsters (NEPHROPIDAE), crabs (BRACHYURA), shrimp (PENAEIDAE), and barnacles (THORACICA).
In a prokaryotic cell or in the nucleus of a eukaryotic cell, a structure consisting of or containing DNA which carries the genetic information essential to the cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
A state in south central Australia. Its capital is Adelaide. It was probably first visited by F. Thyssen in 1627. Later discoveries in 1802 and 1830 opened up the southern part. It became a British province in 1836 with this self-descriptive name and became a state in 1901. (From Webster's New Geographical Dictionary, 1988, p1135)
Educational institutions providing facilities for teaching and research and authorized to grant academic degrees.
The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.
Individuals enrolled in a school or formal educational program.
Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)
A family of the order DIPTERA that comprises the mosquitoes. The larval stages are aquatic, and the adults can be recognized by the characteristic WINGS, ANIMAL venation, the scales along the wing veins, and the long proboscis. Many species are of particular medical importance.
Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.
Educational institutions.
The study of natural phenomena by observation, measurement, and experimentation.
The biological science concerned with the life-supporting properties, functions, and processes of living organisms or their parts.
The field of biology which deals with the process of the growth and differentiation of an organism.
A phylum of small sessile aquatic animals living as small tufted colonies. Some appear like hydroids or corals, but their internal structure is more advanced. Most bryozoans are matlike, forming thin encrustations on rocks, shells, or kelp. (Storer & Stebbins, General Zoology, 6th ed, p443)
The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)
The variety of all native living organisms and their various forms and interrelationships.
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
Proteins found in any species of insect.
Time period from 1601 through 1700 of the common era.
Blood-sucking acarid parasites of the order Ixodida comprising two families: the softbacked ticks (ARGASIDAE) and hardbacked ticks (IXODIDAE). Ticks are larger than their relatives, the MITES. They penetrate the skin of their host by means of highly specialized, hooked mouth parts and feed on its blood. Ticks attack all groups of terrestrial vertebrates. In humans they are responsible for many TICK-BORNE DISEASES, including the transmission of ROCKY MOUNTAIN SPOTTED FEVER; TULAREMIA; BABESIOSIS; AFRICAN SWINE FEVER; and RELAPSING FEVER. (From Barnes, Invertebrate Zoology, 5th ed, pp543-44)
Infestations with soft-bodied (Argasidae) or hard-bodied (Ixodidae) ticks.
Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ticks. The families Ixodidae and Argasidae contain many bloodsucking species that are important pests of man and domestic birds and mammals and probably exceed all other arthropods in the number and variety of disease agents they transmit. Many of the tick-borne diseases are zoonotic.
The largest genus of TICKS in the family IXODIDAE, containing over 200 species. Many infest humans and other mammals and several are vectors of diseases such as LYME DISEASE, tick-borne encephalitis (ENCEPHALITIS, TICK-BORNE), and KYASANUR FOREST DISEASE.
Members of the class Arachnida, especially SPIDERS; SCORPIONS; MITES; and TICKS; which transmit infective organisms from one host to another or from an inanimate reservoir to an animate host.
The immature stage in the life cycle of those orders of insects characterized by gradual metamorphosis, in which the young resemble the imago in general form of body, including compound eyes and external wings; also the 8-legged stage of mites and ticks that follows the first moult.
Fenn, Katelyn & Blaxter, Mark (2004). "Are filarial nematode Wolbachia obligate mutualist symbionts?" (PDF). Trends in Ecology ... Feminizing Wolbachia species are widespread in arthropods and nematodes, where they co-evolved with most of their lineages. ... Parthenogenesis (also called thelytoky) is under the control of symbiotic bacteria of the genus Wolbachia, which live, ... Werren, John H.; Zhang, Wan & Guo, Li Rong (1995). "Evolution and phylogeny of Wolbachia: reproductive parasites of arthropods ...
... symbionts of plants (e.g., Rhizobium spp.), endosymbionts of arthropods (Wolbachia) and intracellular pathogens (e.g. ...
"Pathogens and symbionts in ticks: prevalence of Anaplasma phagocytophilum (Ehrlichia sp.), Wolbachia sp., Rickettsia sp., and ...
G. morsitans' genome has incorporated some of its Wolbachia symbiont's genome. The sense of taste of G. m. m. lacks the sense ... "Wolbachia Symbiont Infections Induce Strong Cytoplasmic Incompatibility in the Tsetse Fly Glossina morsitans". PLoS Pathogens. ... G. m. m. is in obligate symbiosis with Wigglesworthia glossinidia and Wolbachia. Without Wigglesworthia G. m. m. is sterile, ... and without Wolbachia they are reproductively incompatible with normal flies. Trypanosomiasis transmitted by G. morsitans and ...
... can harbour bacterial symbionts including Wolbachia and notably Spiroplasma poulsonii. The S. poulsonii ... Jaenike, John; Stahlhut, Julie K.; Boelio, Lisa M.; Unckless, Robert L. (2010). "Association between Wolbachia and Spiroplasma ... "A ribosome-inactivating protein in a Drosophiladefensive symbiont". Proceedings of the National Academy of Sciences. 113 (2): ... Recent Spread of a Drosophila Defensive Symbiont". Science. 329 (5988): 212-215. Bibcode:2010Sci...329..212J. doi:10.1126/ ...
Antibiotic active against the Wolbachia symbionts of the worm have been tested as treatment. Wolbachia-free worms immediately ...
Ixodiphagus hookeri and its Wolbachia symbionts in ticks in The Netherlands". Parasites & Vectors. 4: 228. doi:10.1186/1756- ... June 2017). "Evolutionary changes in symbiont community structure in ticks". Molecular Ecology. 26 (11): 2905-2921. doi:10.1111 ... December 2017). "A Coxiella mutualist symbiont is essential to the development of Rhipicephalus microplus". Scientific Reports ... "Detection of Wolbachia in the tick Ixodes ricinus is due to the presence of the hymenoptera endoparasitoid Ixodiphagus hookeri ...
An example of vertical transmission is seen in Drosophila melanogaster and its Wolbachia spp. symbionts. Corals have been found ... An example of horizontal transmission is the deep sea tube worm and its symbiont. The second type of transmission is vertical ... Bright, Monika; Bulgheresi, Silvia (2010). "A complex journey: transmission of microbial symbionts". Nature Reviews ... transmission in which the symbiont is passed down from the parent to the offspring and there is no aposymbiotic phase. ...
Finally, the third symbiont is the genus Wolbachia, transovarially transmitted between generations. To enhance transmission and ... "Wolbachia symbiont infections induce strong cytoplasmic incompatibility in the tsetse fly Glossina morsitans". PLoS Pathogens. ... A secondary, facultative symbiont is the genus Sodalis, which is present in tsetse populations considered to play a role in the ... Chen, Xiaoai; Li, Song; Aksoy, Serap (1999-01-01). "Concordant Evolution of a Symbiont with Its Host Insect Species: Molecular ...
Teixeira, L. S.; Ferreira, Á.; Ashburner, M. (2008). "The Bacterial Symbiont Wolbachia Induces Resistance to RNA Viral ...
"Coexistence of Wolbachia with Buchnera aphidicola and a secondary symbiont in the aphid Cinara cedri". Journal of Bacteriology ... Novel adaptive mechanisms such as switching symbionts might not be necessary for corals to adjust to rapid climate change or ... The association between Buchnera and aphids began about 200 million years ago, with host and symbiont co-evolving since that ... For example, normal development of female wasps of the species Asobara tabida is dependent on Wolbachia infection. If "cured" ...
... a secondary symbiont, and bacteria in the genus Wolbachia. There are about 243 species in this genus. Species include: Cinara ... "Coexistence of Wolbachia with Buchnera aphidicola and a secondary symbiont in the aphid Cinara cedri". Journal of Bacteriology ... Cinara cedri has been shown to host three symbionts: Buchnera aphidicola, ...
1998). "Successful horizontal transfer of Wolbachia symbionts between Trichogramma wasps". Proceedings of the Royal Society of ... Wolbachia is a widespread bacterial genus that infects insects' organs, most commonly the reproductive organs. Wolbachia has ... However, when looking at the Wolbachia-host associations, the Trichogramma-Wolbachia form a monophyletic group based on several ... Finally, Wolbachia can influence gender determination in its hosts so that more females are successfully born. This results in ...
Wolbachia also induces incompatibility due to the weakness of the hybrids in populations of spider mites (Tetranychus urticae ... Similar situations are known in a number of insects, as around 15% of species show infections caused by this symbiont. It has ... The factor determining sterility has been found to be the presence or absence of a microorganism Wolbachia and the populations ... Two wasp species Nasonia giraulti and N. longicornis carry two different strains of Wolbachia. Crosses between an infected ...
... when it comes to symbionts. Wolbachia endosymbionts is a gene driven system and can also affect paratransgenesis. Wolbachia are ... The engineered symbiont is stable and safe. The association between vector and symbiont cannot be attenuated. Field delivery is ... aegypti symbiotic viruses using bacteria symbionts blood-sucking, tsetse flies and mosquitoes. Symbionts expressing molecules ... The spread of transformed symbionts benefits from the availability of a gene drive system to replace non-transformed symbionts ...
Bacteria of the genus Wolbachia was also found in the gut, as well as the reproductive organs of adults. A notable predator of ... The study found that Burkholderia was present in neither the eggs nor all young nymphs, meaning the symbiont is acquired post- ... found that individuals without the symbiotic bacteria Wolbachia were unable to produce alarm pheromones or defensive chemicals ... Becerra, Judith (September 2015). "Erratum to: Wolbachia-Free Heteropterans Do Not Produce Defensive Chemicals or Alarm ...
The bacterial symbiont Wolbachia infects anywhere from 20 to 70% of all insects, while Spiroplasma is found in ~10% of ... The bacterial symbiont Wolbachia is common in populations of D. recens, and causes cytoplasmic incompatibility in crosses ... What role (if any) Wolbachia plays in defence against DiNV is unclear. Spiroplasma sp. are inherited bacterial symbionts that ... Wolbachia is the most widespread of bacterial endosymbionts in insects and arthropods. Wolbachia bacteria are distant relatives ...
... known for his extensive work on mushroom-feeding Drosophila and the evolution of their inherited bacterial symbionts Wolbachia ... Maintenance of a male-killing Wolbachia in Drosophila innubila by male-killing dependent and male-killing independent ... Recent Spread of a Drosophila Defensive Symbiont". Science. 329 (5988): 212-215. Bibcode:2010Sci...329..212J. doi:10.1126/ ...
This symbiont was named Candidatus Westeberhardia Cardiocondylae and it is also believed to be a primary symbiont. ... These symbioses affect organisms with global impact, including Symbiodinium of corals, or Wolbachia of insects. Many insect ... Of all the plants, Azolla has the most intimate relationship with a symbiont, as its cyanobacterium symbiont Anabaena is passed ... Additionally, both host and symbiont cell growth were much greater than free-living Richelia intracellularis or symbiont-free ...
... the secondary symbiont is Sodalis intercellularly or intracellularly, and the third is some kind of Wolbachia. Tsetse are in ... Tsetse flies have at least three known bacterial symbionts. The primary symbiont is Wigglesworthia within the fly's ... symbiont populations and fecundity, in: Journal of Insect Physiology, Band 54, Nr. 8, August 2008, S. 1236-1242, doi:10.1016/j. ... "Molecular identification of Wolbachia and Sodalis glossinidius in the midgut of Glossina fuscipes quanzensis from the ...
As such, the genome of Asobara is directly tied to the genome of its commensal Wolbachia symbiont, and the two are considered ... Asobara tabida is commensally infected with Wolbachia, and cannot reproduce in the absence of Wolbachia infection. ... Dedeine F, Boulétreau M, Vavre F (2005). "Wolbachia requirement for oogenesis: occurrence within the genus Asobara (Hymenoptera ...
Arthropod infection with Wolbachia can cause sterility and inhibit the transmission of vector-borne diseases. Ecology portal A ... Because symbionts can be vertically transmitted from parent to offspring or horizontally transmitted from the environment, the ... Wolbachia species are common insect endosymbionts and investigation into this species has yielded potential human health ... Coral polyps without their symbiont algae are models for coral calcification and the effects of the algae on coral pH ...
2009). "A Wolbachia symbiont in Aedes aegypti limits infection with dengue, Chikungunya, and Plasmodium". Cell. 139 (7): 1268- ... "Wolbachia" at the Encyclopedia of Life The Wolbachia Project at Vanderbilt University Images of Wolbachia. ... Wolbachia, especially Wolbachia-caused cytoplasmic incompatibility, may be important in promoting speciation. Wolbachia strains ... Elimination of the Wolbachia symbionts through antibiotic treatment therefore prevents reproduction of the nematode, and ...
This interaction is an example of defensive symbiosis, where the fitness of the symbiont is intricately tied to the fitness of ... Jaenike, John; Stahlhut, Julie K.; Boelio, Lisa M.; Uncless, Robert L. (January 2010). "Association between Wolbachia and ... This mode of reproductive manipulation benefits the symbiont as the female fly has a greater reproductive output than males. ... The best studied species of spiroplasmas are Spiroplasma poulsonii, a reproductive manipulator and defensive insect symbiont, ...
"Are filarial nematode Wolbachia obligate mutualist symbionts?". Trends in Ecology and Evolution 19 (4): 163-166. PMID 16701248 ... As especies feminizantes de Wolbachia están moi estendidas entre os artrópodos[21] e nematodos,[22] cos cales coevolucionaron ... está baixo o control de bacterias simbióticas do xénero Wolbachia, que viven, reprodúcense e son portadas nos órganos ... "Evolution and phylogeny of Wolbachia: reproductive parasites of arthropods" (PDF). Proceedings of the Royal Society B 261 ...
As Wolbachia are only transmitted by females, this mechanism promotes the spread of Wolbachia and therefore keeps Wolbachia ... Gotoh, T; Noda, H; Ito, S (2007). "Cardinium symbionts cause cytoplasmic incompatibility in spider mites". Heredity. 98 (1): 13 ... CI occurs when a Wolbachia infected male mates with a female that is infected by another Wolbachia strain (bidirectional CI) or ... The populations develop to a point where incompatibility would be maintained even in absence of Wolbachia. Wolbachia are not ...
Majerus, M.E.N.; Hurst, G.D.D. (1997). "Ladybirds as a model system for the study of male-killing symbionts". Entomophaga. 42 ( ... "Male-killing Wolbachia in two species of insect". Proceedings of the Royal Society B. 266 (1420): 735-740. doi:10.1098/rspb. ...
2005). "The Wolbachia genome of Brugia malayi: endosymbiont evolution within a human pathogenic nematode". PLOS Biol. 3 (4): ... 2001). "Analysis of the chromosome sequence of the legume symbiont Sinorhizobium meliloti strain 1021". Proc. Natl. Acad. Sci. ... 2000). "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS". Nature. 407 (6800): 81-6. Bibcode: ... 2010). "The genome of the amoeba symbiont Candidatus Amoebophilus asiaticus reveals common mechanisms for host cell interaction ...
"Primary Gut Symbiont and Secondary, Sodalis-Allied Symbiont of the Scutellerid Stinkbug Cantao ocellatus". Applied and ... and Wolbachia". Proceedings of the National Academy of Sciences. 96 (12): 6814-6819. Bibcode:1999PNAS...96.6814H. doi:10.1073/ ... Fly cleared from its native symbionts can be successfully repopulated by Sodalis from other fly species. This might be used in ... nov.: Phylogenetically Independent Comparative Model to the Tsetse Fly Symbiont Sodalis glossinidius". PLOS ONE. 7 (7): e40354 ...
... the secondary symbiont is Sodalis intercellularly or intracellularly, and the third is some kind of Wolbachia.[citation needed] ... SymbiontsEdit. Tsetse flies have three known symbionts. The primary symbiont is Wigglesworthia within the fly's bacteriocytes, ...
2009). "A Wolbachia symbiont in Aedes aegypti limits infection with dengue, Chikungunya, and Plasmodium". Cell 139 (7): 1268-78 ... "The Bacterial Symbiont Wolbachia Induces Resistance to RNA Viral Infections in Drosophila melanogaster". PLOS Biology 6 (12): ... Wolbachia Micrografía de microscopio electrónico de transmisión dunha célula de insecto con bacterias Wolbachia no seu interior ... Vantaxes na eficacia biolóxica debidas á infección por Wolbachia[editar , editar a fonte]. As infeccións por Wolbachia foron ...
"Are filarial nematode Wolbachia obligate mutualist symbionts?". Trends in Ecology and Evolution 19 (4): 163-166. PMID 16701248 ... As especies feminizantes de Wolbachia están moi estendidas entre os artrópodos[21] e nematodos,[22] cos cales coevolucionaron ... está baixo o control de bacterias simbióticas do xénero Wolbachia, que viven, reprodúcense e son portadas nos órganos ... "Evolution and phylogeny of Wolbachia: reproductive parasites of arthropods" (PDF). Proceedings of the Royal Society B 261 ...
Because male hosts act as an evolutionary dead-end for A. nasoniae, the symbiont will increase its fitness if it causes the ... March 2004). "Phylogenomics of the reproductive parasite Wolbachia pipientis wMel: a streamlined genome overrun by mobile ... A. nasoniae can be easily cultured outside of its host organism which is unusual for insect symbionts. The ability of the ... Taylor GP, Coghlin PC, Floate KD, Perlman SJ (March 2011). "The host range of the male-killing symbiont Arsenophonus nasoniae ...
October 2014). "Complementary symbiont contributions to plant decomposition in a fungus-farming termite". Proceedings of the ... May 2013). "Genomics of Loa loa, a Wolbachia-free filarial parasite of humans". Nature Genetics. 45 (5): 495-500. doi:10.1038/ ... "Genomic signatures in the coral holobiont reveal host adaptations driven by Holocene climate change and reef specific symbionts ... a colonial animal packing powerful symbionts and potential medicines". Scientific Data. 7 (1): 356. doi:10.1038/s41597-020- ...
In fact, a comparative analysis showed that Wolbachia endosymbionts do not seem to cause asexuality in ants in general. The ... Cultivates Fungal Symbionts with Gongylidia-Like Structures". PLOS One. 9 (8): e103800. doi:10.1371/journal.pone.0103800. PMC ... However, antibiotic assays and genetic screenings suggest that it is not an endosymbiont such as Wolbachia causing the ...
Nearly 83% of the Wolbachia genome is currently found in the Wolbachia insert, but up to the entire Wolbachia genome may have ... belong to the Wolbachia core genome, i.e., they are crucial to Wolbachia cell viability (Table S1). Because the Wolbachia ... Birth of a W sex chromosome by horizontal transfer of Wolbachia bacterial symbiont genome. Sébastien Leclercq, Julien Thézé, ... Genomic comparison of the f element and Wolbachia wVulC. Scaffolds of the f element (1f-8f) and Wolbachia wVulC (W1-W10) are ...
Wolbachia, normally a symbiont of Drosophila, can be virulent, causing degeneration and early death. Kyung-Tai Min and Seymour ... Wolbachia, normally a symbiont of Drosophila, can be virulent, causing degeneration and early death ... Wolbachia, normally a symbiont of Drosophila, can be virulent, causing degeneration and early death ... Wolbachia, normally a symbiont of Drosophila, can be virulent, causing degeneration and early death ...
Evidence for a Wolbachia symbiont in Drosophila melanogaster.. Holden PR1, Jones P, Brookfield JF. ... In a series of reciprocal crosses no evidence was found that the symbiont causes cytoplasmic incompatibility (CI) which is ... as being a member of the genus Wolbachia, an organism that is known to parasitize a range of insects including Drosophila ...
These bacteria belong to the genus Wolbachia, which is a widespread and abundant intracellular symbiont in worms. Knowledge ... Our ultrastructural data also showed that the symbiont envelope is composed of two membrane units and is enclosed in a ... Molecular data revealed that the bacterium of L. chagasfilhoi shares 100% identity with the Wolbachia endosymbiont of ... Here we described ultrastructural aspects of the relationship of the Wolbachia with the filarial nematode Litomosoides ...
... those inheriting Wolbachia develop as females and those lacking Wolbachia develop as males. Get Email Секс. Get our weekly ... a конт sex секс is скес at the host population крнт секс the presence of feminizing Wolbachiaсекс that blocking of Wolbachia ... Wolbachia utilize host actin for efficient конт transmission in Drosophila melanogaster. Секс evolution of restricted ... We tested individuals for the секч of Wolbachia Table 2. This is a dummy description. These include MPs, gender equality ...
Co‐infection of Wolbachia and Spiroplasma in spider mite Tetranychus truncatus increases male fitness *Kang Xie ... Zhou, W., Rousset, F. & ONeil, S. Phylogeny and PCR-based classification of Wolbachia strains using wsp gene sequences. Proc. ... Male-killing toxin in a bacterial symbiont of Drosophila. *Toshiyuki Harumoto. 1. & ... Hurst, G. D. D. & Frost, C. L. Reproductive parasitism: maternally inherited symbionts in a biparental world. Cold Spring Harb ...
Here we use RNA-seq to study the impact of Wolbachia on D. paulistorum and investigate the hypothesis that the symbiont may ... Some of the functions associated with differentially expressed genes are known to be affected by Wolbachia in other species, ... Our results show that Wolbachia affect a large number of biological functions in D. paulistorum, particularly when present in ... each harboring mutualistic Wolbachia strains. Although wild type flies of each semispecies are isolated from the others by both ...
Fenn, Katelyn & Blaxter, Mark (2004). "Are filarial nematode Wolbachia obligate mutualist symbionts?" (PDF). Trends in Ecology ... Feminizing Wolbachia species are widespread in arthropods and nematodes, where they co-evolved with most of their lineages. ... Parthenogenesis (also called thelytoky) is under the control of symbiotic bacteria of the genus Wolbachia, which live, ... Werren, John H.; Zhang, Wan & Guo, Li Rong (1995). "Evolution and phylogeny of Wolbachia: reproductive parasites of arthropods ...
... symbionts of plants (e.g., Rhizobium spp.), endosymbionts of arthropods (Wolbachia) and intracellular pathogens (e.g. ...
At present, it is unknown whether or not ZIKV can infect, disseminate and be transmitted by Wolbachia-infected Ae. aegypti. ... aegypti infected with the wMel strain of Wolbachia that are being released in Medellin, Colombia, we report that these ... This primarily has been proposed as a tool to control dengue virus (DENV) transmission; however, evidence suggests Wolbachia ... A promising candidate for arbovirus control and prevention relies on the introduction of the intracellular bacterium Wolbachia ...
Dengue mosquito and Wolbachia symbiont simulation modeling. (with Prof Ary Hoffmann, University of Melbourne) ...
Cardinium and Wolbachia), and then used network analysis approaches to predict: (1) species-specific metabolic capacities in a ... The predictions for metabolic capacities of the symbionts in the host environment were in general agreement with previously ... We first reconstructed the metabolic networks of five common B. tabaci symbionts genera (Portiera, Rickettsia, Hamiltonella, ... as well as varying combinations of facultative symbionts. This well-defined bacterial community in B. tabaci serves here as a ...
... and some secondary bacterial symbionts like Wolbachia and Cardinium. In the present study, an additional bacterial symbiont in ... and some secondary bacterial symbionts like Wolbachia and Cardinium. In the present study, an additional bacterial symbiont in ... is an economically significant rice insect pest that harbors a primary fungal yeast-like symbiont (YLS), ... is an economically significant rice insect pest that harbors a primary fungal yeast-like symbiont (YLS) ...
FEATURE ARTICLE Using the Wolbachia Bacterial Symbiont to Teach Inquiry-Based Science: A High School Laboratory Series SETH R. ... Positive (Wolbachia-infected) and negative (Wolbachia-uninfected) insect controls, Wolbachia DNA, and primers for PCR ... The Wolbachia Project. (Image provided by Michael Clark.) THE AMERICAN BIOLOGY TEACHER THE WOLBACHIA BACTERIAL SYMBIONT 479 ... Download "Using the Wolbachia Bacterial Symbiont to Teach Inquiry-Based Science: A High School Laboratory Series" ...
The Wolbachia pandemic , Symbionts spread rapidly across highly diverged flies. Words: Perran Ross Cover photo: Andrew Weeks ... blogs.unimelb.edu.au/pearg/2018/04/16/the-wolbachia-pandemic-symbionts-spread-rapidly-across-highly-diverged-flies ... Wolbachia are perhaps the most prevalent bacterial symbionts on earth. Of the millions of insect species, Wolbachia are ... WOLBACHIA BACTERIA IN ACTION , How were using naturally occurring bacteria to stop mosquitoes from spreading disease. Words ...
Wolbachia pipientis. Rhinocyllus, Nasonia incompatibility intracellular symbionts. Insects. V. Rickettsia rickettsii. None. ...
Wolbachia and Anopheles Mosquitoes, J.L. Rasgon. Bacterial Symbionts in Anopheles spp. and Other Mosquito Vectors, G. Favia, D ... Volume 3 contains chapters on Wolbachia and anopheles mosquitoes, Feminizing Wolbachia and the evolution of sex determination ... Insect Symbionts and Molecular Phylogenetics, V. Hypsa and E. Nováková. Self-Nonself Recognition in Symbiotic Interactions, O. ... Mutualism Revealed by Symbiont Genomics and Bacteriocyte Transcriptomics, A. Nakabachi. Endosymbionts of Lice, M.A. Perotti, E. ...
Can Wolbachia modulate the fecundity costs of Plasmodium in mosquitoes? - Volume 145 Issue 6 - F Zélé, J Denoyelle, O Duron, A ... Jiggins, FM and Hurst, GDD (2011) Rapid insect evolution by symbiont transfer. Science 332, 185-186. ... Although Wolbachia-infected mosquitoes fare overall better than uninfected ones, Wolbachia does not confer a sufficiently high ... Can Wolbachia modulate the fecundity costs of Plasmodium in mosquitoes?. * F Zélé (a1), J Denoyelle, O Duron (a2) (a3) and A ...
Finally, the high co-occurrence of symbionts and pathogens in ticks, reveals the necessity to also account for these ... we also evaluated the prevalence of four symbiont species and demonstrated that all ticks were infected by at least one ... Moreover, as it is well established that symbionts can affect pathogen transmission in arthropods, ... burnetii has emerged and is now able to infect vertebrates [35]. Thirdly, Wolbachia is a common symbiont widespread in insects ...
Wolbachia host-symbiont interactions. Pathogenic strategies of Anaplasma phagocytophilum, a unique bacterium that colonizes ...
... intracellular symbionts that are responsible for cytoplasmic incompatibility in a wide range of arthropods such as insects and ... mori populations was caused by Wolbachia infection, nuclear-cytoplasmic interactions or nuclear-nuclear interactions. Wolbachia ... Five out of the 25 populations were infected with Wolbachia. These five populations were treated with an antibiotic (rifampicin ... to eliminate Wolbachia. We carried out round-robin crosses among 20 Wolbachia-uninfected populations, five infected populations ...
1994 Replacement of the natural Wolbachia symbiont of Drosophila simulans with a mosquito counterpart. Nature 367: 453-455. ... 1993 The reproductive incompatibility system in Drosophila simulans: Dapi-staining analysis of the Wolbachia symbionts in sperm ... PCR assay for A group Wolbachia presence showed a perfect association between presence of Wolbachia and the male-killing ... Studies of cytoplasmic incompatibility-inducing Wolbachia have suggested that Wolbachia density may be associated with the ...
KEYWORDS: Coreidae, gut symbiont, Burkholderia, Wolbachia, crypts. Read Abstract + The coreid bug Thasus neocalifornicus ... Phylogenetic analysis by using 16s rRNA sequences suggests that these β-Proteobacteria are closely related to those symbionts ... Our long-term goals are to identify midgut symbionts and to investigate their functions. As a first step, different diet ... However, this bacterium was also present in reproductive organs of adults, indicating that this symbiont is not specific to the ...
Bacterial symbionts may be used as vehicles for expressing foreign genes in arthropods. Expression of selected genes can render ... Replacement of the natural Wolbachia symbiont of Drosophila simulans with a mosquito counterpart. Nature. 1994;367:453-5. DOI ... Wolbachia pipientis: symbiont or parasite. Parasitol Today. 1995;11:168-9. DOIPubMed ... The tsetse secondary symbiont GP01 growing intracellularly and extracellularly in culture. *Figure 5. Wolbachia-like organisms ...
Ixodiphagus hookeri and its Wolbachia symbionts in ticks in the Netherlands". Parasites & Vectors. 4: 228. doi:10.1186/1756- ... "Detection of Wolbachia in the tick Ixodes ricinus is due to the presence of the hymenoptera endoparasitoid Ixodiphagus hookeri ...
KEYWORDS: Arsenophonus, primary symbiont, secondary symbiont, whitefly, Wolbachia. Read Abstract + Whiteflies (suborder ... PCR and sequencing of Wolbachia-specific 16S rDNA revealed that at least 33% of B. tabaci populations harbored Wolbachia. ... Secondary symbiont sequences for 13 of 20 whitefly populations clustered with Arsenophonus spp. and aphid T-type bacteria, ... The eubacterial 16S ribosomal DNA (rDNA) and Wolbachia-specific 16S rDNA genes for endosymbionts were obtained by polymerase ...
"Are filarial nematode Wolbachia obligate mutualist symbionts?". Trends in Ecology and Evolution 19 (4): 163-166. PMID 16701248 ... As especies feminizantes de Wolbachia están moi estendidas entre os artrópodos[21] e nematodos,[22] cos cales coevolucionaron ... está baixo o control de bacterias simbióticas do xénero Wolbachia, que viven, reprodúcense e son portadas nos órganos ... "Evolution and phylogeny of Wolbachia: reproductive parasites of arthropods" (PDF). Proceedings of the Royal Society B 261 ...
The bacteria in the genus Wolbachia are cytoplasmically inherited symbionts of arthropods. Infection often causes profound ... Our findings suggest that host symbiont interaction effects may play an important role in the induction of Wolbachia ... The bacteria in the genus Wolbachia are cytoplasmically inherited symbionts of arthropods. Infection often causes profound ... Typically Wolbachia infection is transmitted from mother to progeny, regardless of the sex of the progeny; however, infected T ...
Only Wolbachia and Spiroplasma, both widespread in insects, were confirmed as symbionts. These findings indicate that in ... Frequency of Wolbachia and Spiroplasma:. Wolbachia was more common than Spiroplasma. Overall infection rates with Wolbachia ... Diversity of Wolbachia:. On the basis of a data set of 1374 bp of the 16S rRNA sequences, we found six haplotypes of Wolbachia ... Targeted screens for Wolbachia and Spiroplasma:. We screened for the presence of Wolbachia and Spiroplasma with group-specific ...
Wolbachia are symbionts of insects.. *Rhizobium, Azospirillum, Beijerinkcia, Azomonas, and Azotobacter perform nitrogen ...
  • Molecular data revealed that the bacterium of L. chagasfilhoi shares 100% identity with the Wolbachia endosymbiont of Litomosoides galizai . (biomedcentral.com)
  • Consequently, секс all offspring inherited a Y chromosome from their YY mother but no Wolbachia endosymbiont, they копт developed as males Table 2. (y-yttrium.info)
  • 2008). One arthropod subgroup, the insects, comprise ~85% of all animal species, which makes Wolbachia perhaps the most common bacterial endosymbiont in the biosphere. (docplayer.net)
  • Assurance of endosymbiont transmission from host to offspring relies upon maintenance of an appropriate level of the symbiont within the host. (biologists.org)
  • The bacterial endosymbiont Wolbachia is a biocontrol tool that inhibits the ability of the Aedes aegypti mosquito to transmit positive-sense RNA viruses such as dengue and Zika. (plos.org)
  • When the researchers inoculated flies with spores from this fungus, Wolbachia -infected flies fared better than flies of the same strain that had been treated with tetracycline to cure them of their endosymbiont. (asmblog.org)
  • Co-evolution between an endosymbiont and its nematode host: Wolbachia asymmetric posterior localization and AP polarity establishment. (cnrs.fr)
  • The little deliberate screening that has been performed has been restricted mostly to Wolbachia pipientis , estimated to infect up to 70% of insect species, from many insect orders ( J eyaprakash and H oy 2000 ). (genetics.org)
  • A metagenome analysis recovered the genome sequences of Candidatus Wolbachia bourtzisii w DacA (supergroup A) and Candidatus Wolbachia pipientis w DacB (supergroup B). Genome read coverage, as well as 16S rRNA clone sequencing, revealed that w DacB was more abundant than w DacA. (g3journal.org)
  • Hertig describiu formalmente a especie en 1936 como Wolbachia pipientis . (wikipedia.org)
  • Wolbachia pipientis are bacterial endosymbionts of arthropods currently being implemented as biocontrol agents to reduce the global burden of arboviral diseases. (springer.com)
  • 2004) Phylogeneomics of the reproductive parasite Wolbachia pipientis wMel: a streamlined genome overrun by mobile genetic elements. (els.net)
  • Among these, the bacterium Wolbachia pipientis has already been reported associated with Ixodes ricinus and other tick species. (nih.gov)
  • Here we report that the endoparasitoid wasp Ixodiphagus hookeri (Hymenoptera, Chalcidoidea, Encyrtidae)--strictly associated with ticks for their development--infested at almost 100% prevalence by a W. pipientis strain belonging to a Wolbachia supergroup that has already been reported as associated with other hymenopteran parasitoids. (nih.gov)
  • In a natural population of I. ricinus that suffers high parasitism rates due to I. hookeri, we used specific PCR primers for both hymenopteran and W. pipientis gene fragments to show that all unfed tick nymphs parasitized by I. hookeri also harbored Wolbachia, while unparasitized ticks were Wolbachia-free. (nih.gov)
  • Wolbachia are known, in various species, to cause cytoplasmic incompatibility (CI): crosses between bacteria-infected males and uninfected females produce few offspring, whereas infected females, due to an unknown mechanism, are resistant and produce ample progeny ( 3 , 4 ). (pnas.org)
  • These bacteria belong to the genus Wolbachia , which is a widespread and abundant intracellular symbiont in worms. (biomedcentral.com)
  • The project utilizes the widespread symbiont Wolbachia, inherited intracellular bacteria that live within the cells of the reproductive tracts of ~66% of arthropod species (Hilgenboecker et al. (docplayer.net)
  • A total of 267 Ixodes ricinus female specimens were collected in the French Ardennes and analyzed by high-throughput real-time PCR for the presence of 37 pathogens (bacteria and parasites), by rRT-PCR to detect the presence of Tick-Borne encephalitis virus (TBEV) and by nested PCR to detect four symbionts. (plos.org)
  • Maternally transmitted bacteria of the genus Wolbachia are obligate, intracellular symbionts that are responsible for cytoplasmic incompatibility in a wide range of arthropods such as insects and mites. (semanticscholar.org)
  • Recent changes in phenotype and patterns of host specialization in Wolbachia bacteria. (semanticscholar.org)
  • The bacteria in the genus Wolbachia are cytoplasmically inherited symbionts of arthropods. (mendeley.com)
  • These findings indicate that in contrast to some other insect groups, other heritable symbionts are uncommon in Drosophila species, possibly reflecting a robust innate immune response that eliminates many bacteria. (genetics.org)
  • Now, a new report in the December 24th issue of Cell, a Cell Press publication, suggests that their strategy might do one better: The Wolbachia bacteria also makes the mosquitoes more resistant to infection by viruses that are a growing threat to humans, including those responsible for dengue fever and Chikungunya. (redorbit.com)
  • Wolbachia bacteria have a good 'trick' to help ensure their spread, O'Neill explained. (redorbit.com)
  • To elucidate the extent to which metamorphosis interrupts associations between bacteria and hosts, we analyzed changes in gut microbiota during development and traced the transmission routes of dominant symbionts from the egg to adult stage in the leaf-cutting ants Acromyrmex echinatior and Atta cephalotes , which are both important functional herbivores in the New World tropics. (frontiersin.org)
  • We found that Wolbachia was the absolute dominant bacterial species across developmental stages in Acromyrmex and we confirmed that Atta lacks Wolbachia also in the immature stages, and had mostly Mollicutes bacteria in the adult worker guts. (frontiersin.org)
  • and may facilitate the coexistence and possible co-adaptation of symbiont bacteria and their hosts ( Kwong and Moran, 2016 ). (frontiersin.org)
  • Varias especies son tan dependentes de Wolbachia , que non se poden reproducir se non teñen a bacteria nos seus corpos, e algunhas mesmo non poderían sobrevivir sen a bacteria. (wikipedia.org)
  • [ 21 ] No insecto Phyllonorycter blancardella (unha couza minadora de folas), a bacteria Wolbachia axuda aos hóspedes a producir áreas illadas verdes en follas de árbore que están amarelando, o que permite aos adultos continuar alimentándose mentres crecen ata converterse en formas adultas. (wikipedia.org)
  • We have recently described a mutualistic symbiosis in which Wolbachia bacteria were shown to improve the fitness of some Drosophila melanogaster stocks. (semanticscholar.org)
  • The bacteria were found mainly in terrestrial species suggesting that Wolbachia came from a continental environment. (royalsocietypublishing.org)
  • Wolbachia are obligate intracellular bacteria that have evolved diverse ways to manipulate reproduction in their arthropod hosts in order to invade host populations [ 13 , 14 ]. (springer.com)
  • Dedeine F, Vavre F, Fleury F, Loppin B, Hochberg ME, Bouletreau M (2001) Removing symbiotic Wolbachia bacteria specifically inhibits oogenesis in a parasitic wasp. (springer.com)
  • They can live inside of host cells (as an intracellular symbiont) which is a bit uncommon for most bacteria. (slashdot.org)
  • Endosymbiotic Wolbachia bacteria use a conceptually similar strategy, associating with host germline determinants that promote inclusion of Wolbachia into maternal germline cells ( Serbus and Sullivan, 2007 ). (biologists.org)
  • Wolbachia are widespread bacteria in nature. (cnrs.fr)
  • The proportion of insect species that harbour ultra-selfish inherited bacteria of one genus, Wolbachia , has been estimated to be between 15 and 20%," Majerus writes in Microbiology Today . (abc.net.au)
  • In laboratory tests the Wolbachia infection is passed down from female mosquitoes to their young, and those that have the bacteria are resistant to contracting the most dangerous strain of human malaria, Plasmodium falciparum . (scientificamerican.com)
  • By locking the different partners together, vertical transmission creates privileged situations for symbiont-symbiont interactions, especially cooperation and dependence between symbionts, and for the evolution of social behaviours among bacteria. (nih.gov)
  • One interaction whose dynamism makes it particularly interesting is that between the Blue Moon butterfly, Hypolimnas bolina , and the intracellular bacteria Wolbachia . (biomedcentral.com)
  • The 16s rDNA sequence is over 98% identical to Wolbachia known from other insects. (pnas.org)
  • Wolbachia , a genus of the Rickettsial family, although not yet reported in mammals, is widespread among insects. (pnas.org)
  • We have characterized this bacterium, by amplifying and sequencing its 16S rRNA gene, as being a member of the genus Wolbachia, an organism that is known to parasitize a range of insects including Drosophila simulans. (nih.gov)
  • Insects, in particular, are associated with a large variety of microbial symbionts that are often implicated as contributors to the remarkable species diversity in this group of organisms [ 2 ]. (biomedcentral.com)
  • Some of these symbionts help in important physiological functions for their host insects in many ways. (frontiersin.org)
  • Although heritable microorganisms are increasingly recognized as widespread in insects, no systematic screens for such symbionts have been conducted in Drosophila species (the primary insect genetic models for studies of evolution, development, and innate immunity). (genetics.org)
  • Only Wolbachia and Spiroplasma, both widespread in insects, were confirmed as symbionts. (genetics.org)
  • Despite the broad interest in Drosophila for ecological, evolutionary, and genetic studies, and the recent investigations of heritable symbionts in insects generally, few Drosophila species have been screened for the presence of heritable endosymbionts. (genetics.org)
  • Wolbachia are symbionts of insects. (gopetsamerica.com)
  • Inspection of eggs and a series of rearing experiments revealed that the symbiont is not vertically transmitted but is environmentally acquired by nymphal insects. (asm.org)
  • Some obligate symbionts, such as Buchnera in aphids and Wigglesworthia in tsetse flies, are of a mutualistic nature and contribute to the fitness of their hosts ( 2 , 4 , 60 ), while other facultative symbionts, such as Wolbachia in various insects, are often parasitic and tend to cause negative effects on their hosts ( 12 , 68 ). (asm.org)
  • Such the mechanism is called transovarial transmission, where the symbiont transmission is integrated into the intricate developmental process of the host insects ( 13 , 34 , 57 ). (asm.org)
  • In some of them, experimental elimination of the symbiont was reported to cause retarded growth and nymphal mortality, suggesting that the symbionts play important biological roles for the host insects ( 1 , 14 , 35 , 44 , 45 , 62 , 79 ). (asm.org)
  • A week after the mosquitoes had fed on contaminated blood, Moreira found 26 times less Plasmodium DNA in insects defended by Wolbachia , and the number of individuals that could potential transmit the parasite had halved. (scienceblogs.com)
  • Many insects possess vertically-transmitted bacterial symbionts that provide them with amino acids and vitamins ( Moran 2006 ). (g3journal.org)
  • I am broadly interested in the evolution of inherited microbial symbionts in insects. (brookes.ac.uk)
  • Wolbachia (Alphaproteobacteria, Rickettsiales) is an intraovarially transmitted symbiont of insects able to exert striking phenotypes, including reproductive manipulations and pathogen blocking. (brookes.ac.uk)
  • The researchers don't yet know exactly how Wolbachia protects the insects from human disease-causing viruses. (redorbit.com)
  • They have some evidence to suggest that the bacterial symbiont primes the insects' immune system. (redorbit.com)
  • Wolbachia in Acromyrmex appeared to be transovarially transmitted similar to transmission in solitary insects. (frontiersin.org)
  • Bacterial symbionts of insects can either be vertically transmitted or acquired de novo from the environment in every generation. (frontiersin.org)
  • However, different symbionts might be functionally important at different developmental stages of insects, depending on their diet and lifestyle. (frontiersin.org)
  • The potential of virulent Wolbachia to modulate disease transmission by insects. (ajtmh.org)
  • Thus, the Wolbachia protects the insects from serious infection by this fungus. (asmblog.org)
  • We study the cellular and molecular mechanisms underlying the symbiosis with Wolbachia in nematodes and insects. (cnrs.fr)
  • Wolbachia are maternally inherited bacterial endosymbionts that occupy many but not all tissues of adult insects. (biologists.org)
  • However, the origins of Wolbachia in ticks and their consequences on tick biology (known to be very diverse in invertebrates, ranging from nutritional symbionts in nematodes to reproductive manipulators in insects) are unknown. (nih.gov)
  • In a landmark 2008 paper Scott O'Neil of the University of Queensland demonstrated that infection with Wolbachia could actually protect some insects from viral infections. (scientificamerican.com)
  • The various qualitative and quantitative effects seen in different Wolbachia -host combinations pose the question of what bacterium-host interactions are at play. (pnas.org)
  • A promising candidate for arbovirus control and prevention relies on the introduction of the intracellular bacterium Wolbachia into Aedes aegypti mosquitoes. (nature.com)
  • The phloem-feeding whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) harbors an obligatory symbiotic bacterium, as well as varying combinations of facultative symbionts. (biomedcentral.com)
  • We present an inquiry-based lab project using the worldwide symbiosis between the bacterium Wolbachia and invertebrates. (docplayer.net)
  • Successful curing of affected lines with antibiotics demonstrated this trait was associated with the presence of a bacterium, and molecular systematic analysis demonstrated an association between the presence of the trait and infection with an A group Wolbachia. (genetics.org)
  • Wolbachia is a widespread bacterium that infects insect's organs, most commonly the reproductive organs. (wikipedia.org)
  • Through a series of manipulations, Wolbachia-infected hosts transmit this intracellular bacterium to uninfected individuals. (wikipedia.org)
  • The endosymbiotic bacterium Wolbachia spp. (asm.org)
  • Using Wolbachia for biological control makes sense because the bacterium uses many self-serving strategies that allow it to spread like wildfire. (scienceblogs.com)
  • A Wolbachia bacterium infects and causes postmating reproductive isolation between the wasps Nasonia vitripennis and N. giraulti (Bordenstein and Werren 1997). (yahoo.com)
  • On the Dec. 6th TWiV podcast , Vincent Racaniello and Dickson Despommier discuss the symbiotic bacterium Wolbachia, the origin of the 2009 influenza H1N1 virus, and 'the lure of original antigenic sin. (plos.org)
  • This has driven the rise of novel vector control programs, in particular those that use the bacterium, Wolbachia , which prevents transmission of dengue and other human pathogenic viruses when stably introduced into Ae . (plos.org)
  • Wolbachia have high prevalence among arthropods, but they are often facultative for these hosts. (biomedcentral.com)
  • endosymbionts of arthropods (Wolbachia) and intracellular pathogens (e.g. (wikipedia.org)
  • Wolbachia are primarily passed from mother to offspring through the cytoplasm of the egg (Figure 1) but can also be horizontally transmitted between arthropods. (docplayer.net)
  • Moreover, as it is well established that symbionts can affect pathogen transmission in arthropods, we also evaluated the prevalence of four symbiont species and demonstrated that all ticks were infected by at least one microorganism. (plos.org)
  • Bacterial symbionts may be used as vehicles for expressing foreign genes in arthropods. (cdc.gov)
  • Although Wolbachia is present in the majority of terrestrial arthropods, including many disease vectors, it was considered absent from Anopheles gambiae mosquitos, the main vectors of malaria in subSaharan Africa. (brookes.ac.uk)
  • Wolbachia are maternally inherited, intracellular, alpha proteobacteria that infect a wide range of arthropods. (royalsocietypublishing.org)
  • There have been many studies of the distribution of Wolbachia in arthropods, but very few crustacean species are known to be infected. (royalsocietypublishing.org)
  • In arthropods, Wolbachia parasitize host reproductive strategies in four basic ways: male killing, feminization, parthenogenesis, and cytoplasmic incompatibility (CI). (eol.org)
  • Wolbachia are maternally inherited bacterial endosymbionts that naturally infect a diverse array of arthropods. (lancs.ac.uk)
  • Examination of laboratory strains of D. melanogaster commonly used in genetic experiments reveals that a large proportion actually carry Wolbachia in a nonvirulent form, which might affect their longevity and behavior. (pnas.org)
  • In a series of reciprocal crosses no evidence was found that the symbiont causes cytoplasmic incompatibility (CI) which is known to occur in infected strains of D. simulans. (nih.gov)
  • The Neotropical fruit fly Drosophila paulistorum (Diptera: Drosophilidae) is a species complex in statu nascendi comprising six reproductively isolated semispecies, each harboring mutualistic Wolbachia strains. (biomedcentral.com)
  • or divergence of allopatric strains with respect to the strain of cytoplasmic incompatibility inducing Wolbachia ( B reeuwer and W erren 1990 ), may be important in speciation. (genetics.org)
  • A more extensive survey targeted these two symbiont types through diagnostic PCR in 1225 strains representing 225 species from 32 species groups. (genetics.org)
  • Several new strains of Wolbachia and Spiroplasma were discovered, including ones divergent from any reported to date. (genetics.org)
  • Using adult Drosophila strains, we show here that Drosophila - Wolbachia associations that have previously been shown to confer antiviral protection following systemic viral infection also confer protection against virus-induced mortality following oral exposure to Drosophila C virus in adults. (asm.org)
  • The presence of two Wolbachia strains in Dactylopius coccus from Mexico was revealed by PCR amplification of wsp and sequencing of 16S rRNA genes. (g3journal.org)
  • The strains shared similar predicted metabolic capabilities that are common to Wolbachia , including riboflavin, ubiquinone, and heme biosynthesis, but lacked other vitamin and cofactor biosynthesis as well as glycolysis, the oxidative pentose phosphate pathway, and sugar uptake systems. (g3journal.org)
  • Uptake and catabolism of proline were evidenced in Dactylopius Wolbachia strains. (g3journal.org)
  • Although the prospect of using Wolbachia to fight malaria is intriguing, the newly discovered strains do not bring it closer to realization. (brookes.ac.uk)
  • The evolutionary relationships between these Wolbachia strains were determined by sequencing bacterial genes and by interspecific transfers. (royalsocietypublishing.org)
  • Some strains of Wolbachia , when introduced into Aedes aegypti mosquitoes, reduce or block the replication of RNA viruses pathogenic to humans. (springer.com)
  • The replication of dengue, West Nile and three strains of Zika (genus Flavivirus ), and Ross River, Barmah Forest and Sindbis (genus Alphavirus ) viruses was compared in w AlbB-infected cells with Wolbachia -free controls. (springer.com)
  • In this study, we used two strains of Asobara japonica as study materials-one infected with thelytoky-inducing Wolbachia and the other not. (springer.com)
  • In bidirectional CI one of two different strains of Wolbachia are present in two populations of Drosophila . (els.net)
  • Growing evidence indicates that when Wolbachia strains w Mel or w AlbB are introduced into local mosquito populations, human dengue incidence is reduced. (plos.org)
  • aegypti lines carrying virus-inhibitory ( w Mel and w AlbB) and non-inhibitory ( w Pip) strains in a common genetic background, to rigorously test a number of hypotheses about the mechanism of Wolbachia -mediated virus inhibition. (plos.org)
  • One of the Wolbachia strains within this species, w Bol1, possesses male-killing ability. (biomedcentral.com)
  • Wolbachia , a maternally transmitted microorganism of the Rickettsial family, is known to cause cytoplasmic incompatibility, parthenogenesis, or feminization in various insect species. (pnas.org)
  • Early studies suggested that the reproductive incompatibility observed in D. paulistorum was due to a microbial infection [ 11 , 12 ], but it was only recently determined that the microbe in question is Wolbachia [ 8 ]. (biomedcentral.com)
  • 2008). Wolbachia can kill infected males outright (male killing), cause male offspring to develop into females (feminization), cause females to reproduce asexually or clonally (parthenogenesis), or kill the offspring of an uninfected female when its mate is infected (cytoplasmic incompatibility). (docplayer.net)
  • A bacterial symbiont in the Bacteroidetes induces cytoplasmic incompatibility in the parasitoid wasp Encarsia pergandiella. (semanticscholar.org)
  • Infection density of Wolbachia and incompatibility level in two planthopper species, Laodelphax striatellus and Sogatella furcifera. (semanticscholar.org)
  • Crossing studies demonstrated a weak cytoplasmic incompatibility phenotype exhibited by Wolbachia in these males. (genetics.org)
  • The reproductive alterations known to result from Wolbachia infection include cytoplasmic incompatibility (CI), parthenogenesis, feminization of genetic males, fecundity enhancement, male killing and, perhaps, lethality Here, we report male killing in a third insect, the black flour beetle Tribolium madens, based on highly female-biased sex ratios of progeny from females infected with Wolbachia. (mendeley.com)
  • Candidate genes identified in other Wolbachia that are likely involved in cytoplasmic incompatibility were found in w DacB but not in w DacA. (g3journal.org)
  • Wolbachia symbiont infections induce strong cytoplasmic incompatibility in the tsetse fly Glossina morsitans. (yale.edu)
  • In some situations Wolbachia confer a selective advantage upon infected females by inducing parthenogenesis, feminization of males, male-killing or sperm-egg cytoplasmic incompatibility. (biologists.org)
  • Wolbachia infections play an important role in filarial nematodes that cause the human diseases onchocerciasis ( river blindness ) and elephantiasis (Taylor et al. (docplayer.net)
  • 2005). An electron micrograph of Wolbachia in filarial nematodes is shown in Figure 2. (docplayer.net)
  • It is caused by parasitic nematodes that live in mutualism with Wolbachia. (cnrs.fr)
  • To address these questions, we use the natural hosts of Wolbachia as experimental models, such as Brugia malayi (the causative agent of elephantiasis) and other filarial nematodes species, as well as the Drosophila fly and the Culex pipens mosquito. (cnrs.fr)
  • Both asymmetric mitotic segregation and cell-to-cell invasion are required for stable germline transmission of Wolbachia in filarial nematodes. (cnrs.fr)
  • Gene ontology enrichment tests showed enrichment for biosynthesis of arginine, histidine, and aromatic amino acids, as well as thiamine and coenzyme A, diverging from the profiles of relatives Akkermansia muciniphilia (in the human colon), Methylacidiphilum infernorum, and the mutualist Wolbachia from filarial nematodes. (oregonstate.edu)
  • however, that strain of Wolbachia no longer is being considered for biocontrol because infected mosquitoes displayed reduced fitness in small-scale field releases 19 . (nature.com)
  • Although Wolbachia- infected mosquitoes fare overall better than uninfected ones, Wolbachia does not confer a sufficiently high reproductive boost to mosquitoes to compensate for the reproductive losses inflicted by Plasmodium. (cambridge.org)
  • Later that year, working with colleagues at James Cook University they intentionally released Wolbachia infected mosquitoes in the area around the resort city of Cairns in northern Queensland. (scientificamerican.com)
  • Notably, the Wolbachia scientific community isn t big enough by itself to adequately sample the world s arthropod and nematode populations for this infection. (docplayer.net)
  • Using a natural system, we explore the effects of a Wolbachia-Plasmodium co-infection on mosquito fecundity. (cambridge.org)
  • Wolbachia , on the other hand, increases fecundity by roughly 10%, but does not alter the tolerance (fecundity-burden relationship) of mosquitoes to Plasmodium infection. (cambridge.org)
  • In this study we evaluated the prevalence of 38 pathogens and four symbionts and their co-infection levels as well as possible interactions between pathogens, or between pathogens and symbionts. (plos.org)
  • Rearing experiments by using sterilized soybean bottles demonstrated that the cultured symbiont is able to establish a normal and efficient infection in the host insect, and the symbiont infection significantly improves the host fitness. (asm.org)
  • Wolbachia has been observed to alter the host's reproductive success upon infection. (wikipedia.org)
  • In addition, some hosts can evolve with a dependency on Wolbachia for core reproductive functions, such as oogenesis, so that eventually an infection is a requirement for successful reproduction. (wikipedia.org)
  • To understand the potential effect of Wolbachia on viral dynamics in nature, it is important to consider the impact of natural routes of virus infection on Wolbachia antiviral effects. (asm.org)
  • The differences in the outcome of virus infection are likely to influence viral dynamics in Wolbachia -infected insect populations in nature and could also have important implications for the transmission of arboviruses in mosquito populations. (asm.org)
  • The impact of the presence of Wolbachia on virus infection can include two main effects: (i) interference with viral replication/accumulation, and/or (ii) protection against virus-induced mortality. (asm.org)
  • That's if it can be shown that the Wolbachia infection can invade natural mosquito populations, he added, a question his team is working on right now. (redorbit.com)
  • We are currently conducting a series of experiments in contained outdoor greenhouse settings that are examining the ability of the Wolbachia infection to spread into natural mosquito populations," he said. (redorbit.com)
  • We conducted a study to survey the distribution of whitefly species in Croatia, their infection status by secondary symbionts, and the spatial distribution of these symbionts in the developmental stages of the two whitefly species. (biomedcentral.com)
  • Arsenophonus and Hamiltonella were detected in collected T. vaporariorum populations, however, not all populations harbored both symbionts, and both symbionts showed 100% infection rate in some of the populations. (biomedcentral.com)
  • Our study revealed unique co-infection patterns by secondary symbionts in B. tabaci and T. vaporariorum . (biomedcentral.com)
  • There is further evidence that speciation can be caused by infection with a symbiont. (yahoo.com)
  • They also suggest that host species plays a more important role than bacterial phylogeny in determining the phenotype induced by Wolbachia infection. (royalsocietypublishing.org)
  • Infection with Wolbachia is known to induce diploidization of haploid eggs and enables the production of females from unfertilized eggs. (springer.com)
  • We also examined the infection rate of the recipients due to cannibalism of Wolbachia -infected pupae. (springer.com)
  • Cordaux R, Michel-Salzat A, Bouchon D (2001) Wolbachia infection in crustaceans: novel hosts and potential routes for horizontal transmission. (springer.com)
  • The ovary of fruit fly with Wolbachia (yellow) parasitic infection (left) compared to an ovary without an infection (right). (kenyon.edu)
  • Many invertebrates are infected by Wolbachia, and the bacteria's success may be credited to the diverse phenotypes that result from infection. (kenyon.edu)
  • Despite the success of this novel intervention, we still do not fully understand how Wolbachia protects mosquitoes from viral infection. (plos.org)
  • Here, we demonstrate that the Wolbachia strain w Pip does not inhibit virus infection in Ae . (plos.org)
  • Small Things Considered: Wolbachia Infection: A Good Thing? (asmblog.org)
  • Wolbachia Infection: A Good Thing? (asmblog.org)
  • For example, they enable the Wolbachia strain infecting one species of fruit fly, Drosophila simulans , to maintain a stable 94% rate of infection in natural populations, even though an estimated 2.5% of the eggs are not infected. (asmblog.org)
  • Might it be that Wolbachia infection prevents deleterious infections by other organisms? (asmblog.org)
  • So, are the Wolbachia doing their Drosophila hosts a favor by defending them against DCV infection? (asmblog.org)
  • The interaction between the Blue Moon butterfly, Hypolimnas bolina , and Wolbachia has attracted interest because of the high prevalence of male-killing achieved within the species, the ecological consequences of this high prevalence, the intensity of selection on the host to suppress the infection, and the presence of multiple Wolbachia infections inducing different phenotypes. (biomedcentral.com)
  • We examined diversity in the co-inherited marker, mtDNA, and the partitioning of this between individuals of different infection status, as a means to investigate the population biology and evolutionary history of the Wolbachia infections. (biomedcentral.com)
  • Yet, Wolbachia abundance has been shown to vary greatly between individuals and the magnitude of the effects of infection on host life-history traits and protection against infection is correlated to within-host Wolbachia abundance. (lancs.ac.uk)
  • infected with the w Mel strain of Wolbachia that are being released in Medellin, Colombia, we report that these mosquitoes have reduced vector competence for ZIKV. (nature.com)
  • Based on DNA sequence data, the male-killing strain of Wolbachia in T. madens was indistinguishable from the CI-inducing Wolbachia in Tribolium confusum, a closely related beetle. (mendeley.com)
  • The Burkholderia symbiont was present in the soil of the insect habitat, and a culture strain of the symbiont was successfully isolated from the insect midgut. (asm.org)
  • Wolbachia did not extend longevity in all Drosophila genotypes, even though 16s rDNA sequences indicated that our Drosophila stocks were infected with the same Wolbachia strain. (semanticscholar.org)
  • We investigated methods of artificially inducing thelytoky by transferring thelytoky-inducing Wolbachia from wasps of the infected strain (the donor wasps) to wasps that had been cured of Wolbachia and to wasps of the uninfected strain (the recipient wasps). (springer.com)
  • 8 What Defines a Strain of Wolbachia? (els.net)
  • For example, a virulent strain of Wolbachia has been shown to replicate inappropriately in the adult nervous system, causing paralysis and early death ( Min and Benzer, 1997 ). (biologists.org)
  • A male-killing strain of Spiroplasma (strain Melanogaster Sex Ratio Organism (MSRO)) co-occurs with Wolbachia (strain wMel) in certain wild populations of the model organism Drosophila melanogaster. (unboundmedicine.com)
  • Here we characterise a new Wolbachia strain, w Pip, and find that Ae . (plos.org)
  • This finding has allowed us to begin a rigorous program of comparative studies to determine which features of a Wolbachia strain determine whether it is antiviral. (plos.org)
  • Fraser JE, O'Donnell TB, Duyvestyn JM, O'Neill SL, Simmons CP, Flores HA (2020) Novel phenotype of Wolbachia strain w Pip in Aedes aegypti challenges assumptions on mechanisms of Wolbachia -mediated dengue virus inhibition. (plos.org)
  • Finally, we demonstrate that the fidelity of asymmetric segregation to the self-renewing neuroblast is lower in the virulent Popcorn strain of Wolbachia . (biologists.org)
  • Popcorn (W Pop ), a virulent strain of Wolbachia , provides a particularly striking demonstration of the role of Wolbachia -specific factors as it over-replicates in adult neurons and muscle cells ultimately causing tissue degeneration and premature death ( Min and Benzer, 1997 ). (biologists.org)
  • What if he could infect mosquitoes with a strain of Wolbachia that would "protect" them from the Dengue virus? (scientificamerican.com)
  • Now comes word that American and Chinese researchers have teamed up to develop mosquitos infected with a different strain of Wolbachia . (scientificamerican.com)
  • Wolbachia can be transferred by injection, within or between species ( 8 ). (pnas.org)
  • Some of the functions associated with differentially expressed genes are known to be affected by Wolbachia in other species, such as metabolism and immunity, whereas others represent putative novel phenotypes involving muscular functions, pheromone signaling, and visual perception. (biomedcentral.com)
  • The predictions for metabolic capacities of the symbionts in the host environment were in general agreement with previously reported genome analyses, each focused on the single-species level. (biomedcentral.com)
  • Of these, 19 species were infected by Wolbachia while only 3 species had Spiroplasma. (genetics.org)
  • Drosophila species lack so-called "primary symbionts" (ancient obligate associations in which symbionts occupy specialized host organs, B uchner 1965 ) but they do form facultative associations with maternally transmitted symbionts that undergo occasional horizontal transfer into naïve hosts. (genetics.org)
  • Of the 69 species of the family Drosophilidae for which Wolbachia screening results have been published, 68 belong to the genus Drosophila ( Figure 1 ). (genetics.org)
  • In many plant-feeding heteropteran species, the terminal region of the midgut is characterized by the presence of many sacs or tubular outgrowths, called ceca or crypts, whose lumen is filled with a specific bacterial symbiont ( 14 , 22 , 40 , 41 , 58 ). (asm.org)
  • The effects of this include potential speciation of Trichogramma, if Wolbachia is maintained long enough for genetic divergence to occur and for a new species of asexual wasps to become reproductively isolated. (wikipedia.org)
  • However, when looking at the Wolbachia-host associations, the Trichogramma-Wolbachia form a monophyletic group based on several Wolbachia-specific genes, which may be explained by horizontal transfer of Wolbachia between different species. (wikipedia.org)
  • We investigated the prevalence of Wolbachia in 85 species from five crustacean orders. (royalsocietypublishing.org)
  • Heath BD, Butcher RD, Whitfield WG, Hubbard SF (1999) Horizontal transfer of Wolbachia between phylogenetically distant insect species by a naturally occurring mechanism. (springer.com)
  • Note that removal of Wolbachia by antibiotic treatment results in the loss of CI showing that the infected populations are indeed the same species. (els.net)
  • Wolbachia endosymbionts are globally dispersed throughout most insect species and are the causative agent in filarial nematode-mediated disease. (biologists.org)
  • Why are Wolbachia required for the survival and fertility of the filarial species they colonize? (cnrs.fr)
  • Absence of Wolbachia endobacteria in the human parasitic nematode Dracunculus medinensis and two related Dracunculus species infecting wildlife. (cnrs.fr)
  • Wolbachia is a naturally occurring organism that infects somewhere between 60-70% of all insect species and can change the nature of its host. (scientificamerican.com)
  • Inherited symbionts are an important component of the evolution and ecology of many species. (biomedcentral.com)
  • Hurst, G. D. D. & Frost, C. L. Reproductive parasitism: maternally inherited symbionts in a biparental world. (nature.com)
  • Wolbachia have been found to participate in a range of biological interactions with arthropod hosts, from nutritional mutualism and protection against pathogens to various forms of reproductive parasitism [ 19 , 20 ]. (biomedcentral.com)
  • Wolbachia are commonly referred to as reproductive parasites because they manipulate sexual reproduction in their hosts in four ways (Werren et al. (docplayer.net)
  • Our findings suggest that host symbiont interaction effects may play an important role in the induction of Wolbachia reproductive phenotypes. (mendeley.com)
  • For instance, both essential amino acid synthesis in the aphid symbiont Buchnera and the reproductive parasitic phenotype of male-killing Spiroplasma in Drosophila melanogaster are encoded on plasmids ( 6 - 7 ). (asm.org)
  • Tsetse also harbors three maternally transmitted bacterial symbionts, which influence its nutritional and reproductive biology. (yale.edu)
  • They are primarily known for their manipulation of host reproductive biology, and recently, infections with Wolbachia have been proposed as a new strategy for controlling insect vectors and subsequent human-transmissible diseases. (lancs.ac.uk)
  • Our ultrastructural data also showed that the symbiont envelope is composed of two membrane units and is enclosed in a cytoplasmic vacuole, the symbiosome. (biomedcentral.com)
  • Here we described ultrastructural aspects of the relationship of the Wolbachia with the filarial nematode Litomosoides chagasfilhoi and the findings lead us to consider this relationship as a mutualistic symbiosis. (biomedcentral.com)
  • Insect Symbiosis, Volume 3 , includes pioneering chapters on Paratransgenesis in termites, Bacterial symbionts in anopheles spp. (routledge.com)
  • Host and symbiont genetic contributions to fitness in a Trichogramma-Wolbachia symbiosis. (nih.gov)
  • Future studies should focus on uncovering the origin of Wolbachia sequence variants in Anopheles and seeking sequence-independent evidence for this new symbiosis. (brookes.ac.uk)
  • The book provides analysis and synthesis of cutting-edge research in insect symbiosis that sheds light on the evolution of the host/symbiont relationship, and in turn, on the general study of evolution, physiology, and genetics. (routledge.com)
  • Spider mites often show uni- and bidirectional incompatibilities among populations with and without Wolbachia. (semanticscholar.org)
  • Although the symbiont is highly prevalent (95 to 100%) in the host populations, the symbiont phylogeny did not reflect the host systematics at all. (asm.org)
  • successfully used f or the containment, suppression or ev en eradication of populations of insect pests. (deepdyve.com)
  • Only the Q biotype of B. tabaci was found in the populations tested and they harbored Hamiltonella , Rickettsia, Wolbachia and Cardinium , while Arsenophonus and Fritschea were not detected in any B. tabaci populations. (biomedcentral.com)
  • None of the detected symbionts appeared in all populations tested, and multiple infections were detected in some of the populations. (biomedcentral.com)
  • Aedes aegypti mosquitoes infected with Wolbachia are being released into natural populations to suppress the transmission of arboviruses. (jove.com)
  • Transinfection of mosquito vector populations with Wolbachia has been proposed as an arbovirus biocontrol measure that may be self-sustaining and environmentally friendly [ 12 ]. (springer.com)
  • and host organisms allows for increased bacterial propagation and persistence in host populations, but Wolbachia are hardly ever found to be beneficial to their. (kenyon.edu)
  • Unlike other symbionts that spread through host populations by enhancing the fitness of their host, Wolbachia can spread by reducing the fitness of their host. (eol.org)
  • On the other hand, in natural populations of the closely-related D. melanogaster , the infecting Wolbachia doesn't interfere with host reproduction. (asmblog.org)
  • Since epizootics caused by pathogenic fungi are a major factor limiting insect populations in nature, a group of Russian researchers asked whether Wolbachia helped D. melanogaster stave off infections by a fungus. (asmblog.org)
  • How diverse is the genus Wolbachia? (semanticscholar.org)
  • The broad-headed bug Riptortus clavatus (Heteroptera: Alydidae) possesses a number of crypts at a posterior midgut region, which house a dense population of a bacterial symbiont belonging to the genus Burkholderia . (asm.org)
  • Baumann P, Lai CY, Roubakhsh D et al (1995) Genetics, physiology, and evolutionary relationships of the genus Buchnera -intracellular symbionts of aphids. (springer.com)
  • The analysis suggests several previously un-reported routes for complementary interactions and estimated the dependency of each symbiont in specific host metabolites. (biomedcentral.com)
  • Possible multipartite interactions between pathogens, or between pathogens and symbionts were statistically evaluated. (plos.org)
  • When considering possible interactions between pathogens, the results suggested a strong association between Borrelia garinii and B . afzelii , whereas there were no significant interactions between symbionts and pathogens. (plos.org)
  • Finally, the high co-occurrence of symbionts and pathogens in ticks, reveals the necessity to also account for these interactions in the development of new alternative strategies to control ticks and tick-borne disease. (plos.org)
  • The results are discussed with respect to the incidence of male killing within the clade Wolbachia, the general nature of Wolbachia-host interactions, and the prospects for using this association to investigate the mechanism of male killing. (genetics.org)
  • Understanding the ecology of Anopheles mosquitos and their interactions with Wolbachia will be key in designing successful, integrative approaches to limit malaria spread. (brookes.ac.uk)
  • This system provides opportunities to study interactions among symbionts that co-inhabit the same cell in the same host: these can be cooperative or antagonistic, may affect the symbiotic contents over time, and may also affect the host by competing with the primary symbiont for space and resources. (biomedcentral.com)
  • Wolbachia interactions that determine Drosophila melanogaster survival. (semanticscholar.org)
  • Wolbachia endosymbionts present a unique model for investigating the molecular underpinnings of host-symbiont interactions. (biologists.org)
  • Interactions Between Vertically Transmitted Symbionts: Cooperation or Conflict? (nih.gov)
  • Nutrition is known to be one of the most important mediators of host-symbiont interactions. (lancs.ac.uk)
  • Our results show fundamental interactions between diet composition, host diet selection, Wolbachia abundance and effects on host lifespan and fecundity. (lancs.ac.uk)
  • Widespread prevalence of wolbachia in laboratory stocks and the implications for Drosophila research. (semanticscholar.org)
  • Although multiple infections with vertically transmitted symbionts are widespread in nature and especially in invertebrates, the ecological and evolutionary importance of such coexistences remains underexplored and underestimated. (nih.gov)
  • While Plasmodium is known to frequently express its virulence by partially castrating its mosquito vectors, the effects of Wolbachia infections on mosquito fecundity are, in contrast, highly variable. (cambridge.org)
  • We find that although detected at increasing frequencies, the unusual properties of these Wolbachia sequences render them insufficient to diagnose natural infections in A. gambiae. (brookes.ac.uk)
  • with Wolbachia infections in the laboratory for experiments and field release, taking precautions to minimize laboratory adaptation and selection. (jove.com)
  • Wolbachia sequences used in this analysis were from infections in coleopteran ( Diabrotica ), dipteran ( Drosophila ), hymenopteran ( Muscidifurax ) and filarial worm ( Brugia ) hosts. (els.net)
  • So, this suggests that this Wolbachia benefits its host by protecting it against RNA virus infections. (asmblog.org)
  • So a Wolbachia-based approach would never drive a mosquito to extinction - it would just kill older individuals before they become capable of spreading disease . (scienceblogs.com)
  • These phenotypes make Wolbachia a promising tool to combat mosquito-borne diseases. (brookes.ac.uk)
  • The idea would be to seed the natural mosquito population with Wolbachia by releasing mosquitoes that had been purposefully infected in the laboratory. (redorbit.com)
  • O xénero identificouse por primeira vez en 1924 por Marshall Hertig e Simeon Burt Wolbach no mosquito Culex pipiens . (wikipedia.org)
  • One promising class of new interventions under development involves the heritable modification of the mosquito by insertion of novel genes into the nucleus or of Wolbachia endosymbionts into the cytoplasm. (royalsocietypublishing.org)
  • These findings, and the experimental platform provided by this panel of genetically comparable mosquito lines, clear the way for future investigations to define how Wolbachia prevents Ae . (plos.org)
  • Regardless of their obligate or facultative nature, these intracellular symbionts are generally passed to the next generation vertically in the maternal body at early stages of oogenesis or embryogenesis. (asm.org)
  • Humans consist of approximately 10% human cells and 90% prokaryotic cells, yet the idea of studying the varied relationships between eukaryotic hosts and prokaryotic symbionts is largely ignored in introductory biology classes. (docplayer.net)
  • Vertically transmitted parasites (VTPs) such as Wolbachia are expected not only to minimize the damage they inflict on their hosts, but also to protect their hosts against the damaging effects of coinfecting parasites. (cambridge.org)
  • Beneficial symbionts are important in the nutritional ecology of the hosts ( D ouglas 1989 ). (genetics.org)
  • Finally, Wolbachia can influence gender determination in its hosts so that more females are successfully born. (wikipedia.org)
  • Since that discovery, Wolbachia -mediated antiviral effects have been demonstrated in a number of insect hosts and are being investigated as a way of limiting spread of arboviruses (reviewed in references 1 , 4 , 5 , and 6 ). (asm.org)
  • Five evolutionary transitions are investigated, including the origins of bacterial associations with eukaryotes, the origins and subsequent stable maintenance of bacterial mutualism with hosts, the capture of beneficial symbionts via the evolution of strict vertical transmission within host lineages, and the evolutionary breakdown of bacterial mutualism. (nap.edu)
  • Once infected with Wolbachia, Aedes aegypti mosquitoes also become less suitable as hosts for a form of malaria parasite that infects birds, said Scott O'Neill of The University of Queensland. (redorbit.com)
  • The results of interspecific transfers show evidence of specialization of Wolbachia symbionts to their isopod hosts. (royalsocietypublishing.org)
  • Wolbachia are transmitted from female hosts to their offspring, in a manner that is analogous to mitochondrial inheritance. (biologists.org)
  • Symbiont-mediated defense against natural enemies of hosts is increasingly recognized as an important mechanism by which endosymbionts enhance host fitness. (unboundmedicine.com)
  • If this were the only factor, the percentage of Wolbachia -infected hosts would decrease with each generation. (asmblog.org)
  • You may be acquainted with one of these factors-the strategies some Wolbachia use to manipulate the reproduction of their hosts and thereby increase the number of infected individuals. (asmblog.org)
  • That 2.5% may sound small, but it causes the percentage of Wolbachia -infected hosts to decline generation after generation. (asmblog.org)
  • As Wolbachia can affect the biology of their hosts, which can be disease vectors (for instance, mosquitos or human parasites), they are of utmost biomedical relevance. (cnrs.fr)
  • If other groups of parasitic microbes are included, it may be that the majority of invertebrates host such symbionts. (abc.net.au)
  • In the facultative symbionts like Wolbachia , by contrast, the symbiont phylogeny scarcely reflects the host phylogeny, suggesting that horizontal transmission of the symbionts must have occurred occasionally ( 47 , 56 , 68 ). (asm.org)
  • Here we provide evidence indicating that the genome of Wolbachia bacterial endosymbionts was horizontally transferred into a chromosome of the common pillbug Armadillidium vulgare , which resulted in this chromosome evolving as a new female (W) sex chromosome. (pnas.org)
  • In this study, we report a bacterial symbiont genome that carries a highly complex array of these elements. (asm.org)
  • The Wolbachia Genome Consortium. (semanticscholar.org)
  • This is exactly what happened with the original sequencing of the genome of the anannassae fruitfly--the huge Wolbachia insert was discarded from the final assembly, despite the fact that it is part of the fly's genome. (slashdot.org)
  • We explored the potential role of this symbiont using fluorescence in situ hybridization, genome sequencing, and comparative functional genomics. (oregonstate.edu)
  • We report the first genome of an intracellular Verrucomicrobium and the first exclusively intracellular non-Wolbachia nematode symbiont. (oregonstate.edu)
  • Aedes aegypti mosquitoes experimentally infected with Wolbachia are being utilized in programs to control the spread of arboviruses such as dengue, chikungunya and Zika. (jove.com)
  • in mosquitoes, Wolbachia can interfere with accumulation and transmission of important human pathogens, including dengue and Chikungunya viruses ( 7 - 17 ). (asm.org)
  • Even after five generations of breeding with wild mosquitoes, the offspring of the Wolbachia carriers still resisted dengue virus. (scienceblogs.com)
  • aegypti carrying w Pip are still able to transmit dengue similar to mosquitoes that do not carry Wolbachia . (plos.org)
  • Therefore, the relationship between Wolbachia and host is generally regarded as symbiotic. (pnas.org)
  • Recent literature illustrates the potential for cooperation or conflict among vertically transmitted symbionts that share the same host and opens new avenues for studying microbial communities. (nih.gov)
  • The phylogenetic distribution of Wolbachia and Spiroplasma in Drosophila is discussed. (genetics.org)
  • The white-backed planthopper (WBPH), Sogatella furcifera Horváth (Hemiptera: Delphacidae), is an economically significant rice insect pest that harbors a primary fungal yeast-like symbiont (YLS), and some secondary bacterial symbionts like Wolbachia and Cardinium . (frontiersin.org)
  • We also demonstrated high prevalence rates of symbionts co-existing with pathogens, opening new avenues of enquiry regarding their effects on pathogen transmission and vector competence. (plos.org)
  • This data overall supports the hypothesis that high prevalence of male-killing Wolbachia ( w Bol1) in H. bolina is associated with very high transmission efficiency rather than regular horizontal transmission. (biomedcentral.com)
  • In the obligate symbionts like Buchnera and Wigglesworthia , the symbiont phylogeny generally mirrors the host phylogeny, indicating strict vertical transmission over evolutionary time ( 17 , 59 ). (asm.org)
  • Finally, the selective loss of thiamine biosynthesis, a vitamin provided to the host by the primary symbiont Wigglesworthia glossinidia , reveals an intersymbiont dependence. (asm.org)
  • Additionally, S. glossinidius has adapted to the tsetse's obligate symbiont Wigglesworthia glossinidia by scavenging a vitamin it produces for the insect. (asm.org)
  • One factor which has been gaining attention as a contributor to the speciation process in animals is the influence of microbial symbionts [ 2 ]. (biomedcentral.com)
  • In addition to pathogens, ticks also carry symbionts that may play important roles in tick biology, and could interfere with pathogen maintenance and transmission. (plos.org)
  • Besides already described putative virulence factors like ankyrin domain proteins, VlrC homologs, and patatin-like proteins, putative novel virulence factors related to those found in intracellular pathogens like Legionella and Mycobacterium are highlighted for the first time in Wolbachia . (g3journal.org)
  • Medically significant microorganisms include pathogens and the key symbionts within the system. (asm.org)
  • We examined the effects of Spiroplasma MSRO and Wolbachia wMel on Drosophila survival against parasitism by two common wasps, Leptopilina heterotoma and Leptopilina boulardi, that differ in their host ranges and host evasion strategies. (unboundmedicine.com)
  • The effects of Wolbachia in Trichogramma have several evolutionary implications. (wikipedia.org)
  • In-vitro successful horizontal transfer is uncommon within Trichogramma, which suggests that the density of Wolbachia must be relatively high inside of the host's ovaries. (wikipedia.org)
  • These limitations in-vitro suggest that in nature, horizontal transfer by parthenogenesis-inducing Wolbachia may be a difficult and rare phenomenon. (wikipedia.org)
  • Therefore, although interspecific horizontal transfer of Wolbachia is limited in-vitro, it is likely to occur quite frequently in nature and is not well understood yet. (wikipedia.org)
  • Symbionts can be transmitted from parent to offspring by a variety of vertical and horizontal methods. (springer.com)
  • The model offered combines the processes of horizontal symbiont transfer, within-host symbiont proliferation, vertical symbiont transmission, and holobiont selection. (springer.com)
  • Although there have been several attempts to achieve the artificial horizontal transfer of thelytoky-inducing Wolbachia in parasitoid wasps, the artificial induction of thelytoky has generally been unsuccessful. (springer.com)
  • Among those methods, only microinjection at the adult stage resulted in the successful artificial horizontal transfer of Wolbachia , and some of the Wolbachia -infected wasps showed incomplete thelytoky. (springer.com)
  • Grenier S, Pintureau B, Heddi A, Lassabliére F, Jager C, Louis C, Khatchadourian C (1998) Successful horizontal transfer of Wolbachia symbionts between Trichogramma wasps. (springer.com)
  • Our results show that Wolbachia affect a large number of biological functions in D. paulistorum , particularly when present in high titer. (biomedcentral.com)
  • Crossed lines indicate two key biological differences: (1) Wolbachia have lost the ability to infect mammals and (2) have acquired the ability to alter host reproduction. (els.net)
  • Multiple-gene sequencing reveals a putatively new Wolbachia supergroup recovered from spider mites (Acari: Tetranychidae). (semanticscholar.org)
  • A new type F Wolbachia from Splendidofilariinae (Onchocercidae) supports the recent emergence of this supergroup. (cnrs.fr)
  • In order to understand the mechanisms underlying the promiscuous host-symbiont relationship despite the specific and prevalent association, we investigated the transmission mode and the fitness effects of the Burkholderia symbiont in R. clavatus . (asm.org)
  • Researchers from LSTM and the University of Liverpool have successfully optimized a hit from a whole cell screening of a 10000-compound library to deliver the first novel fully synthetic and rationally designed anti-Wolbachia drug, AWZ1066S, which could potentially be used to treat onchocerciasis and lymphatic filariasis. (news-medical.net)
  • An LSTM led partnership has been awarded nearly £1.5 million from the Medical Research Council for the pre-clinical development of a candidate drug to treat onchocerciasis and lymphatic filariasis, by targeting the bacterial symbiont Wolbachia. (news-medical.net)
  • Wolbachia doesn't usually infect mosquitoes but Scott O'Neill from the University of Queensland is leading a team of researchers who are trying to enlist it. (scienceblogs.com)
  • Several cases of nuclear suppression preventing the action or transmission конт sex ratio-distorting symbionts have been reported [ 11 конт, including in the isopod A. Not having sex eliminates the risk of getting Zika секс sex. (y-yttrium.info)
  • As infected YY females produce all-male progenies, a конт sex секс is скес at the host population крнт секс the presence of feminizing Wolbachiaсекс that blocking of Wolbachia transmission by YY females may have evolved to suppress feminization. (y-yttrium.info)
  • These findings lend optimism that Wolbachia biocontrol represents a significant new development in the fight against arbovirus transmission. (nature.com)
  • All these strategies increase the number of Wolbachia-infected females, thereby increasing parasite transmission. (docplayer.net)
  • However, the fidelity of vertical transmission may differ between the obligate symbionts and the facultative ones. (asm.org)
  • Our results reveal that transmission pathways for bacterial symbionts may be very different both between developmental stages and between sister genera and that identifying the mechanisms of bacterial acquisition and loss will be important to clarify their putative mutualistic functions. (frontiersin.org)
  • Co-sharing of the bacteriocyte by the primary and different secondary symbionts is maintained through vertical transmission via the egg, and is unique to whiteflies. (biomedcentral.com)
  • Reduced symbiont loads can result in a failure of symbiont transmission, whereas excessive symbiont loads can lead to host mortality. (biologists.org)
  • What are the transmission mechanisms of Wolbachia, within an organism (from the zygote to the adult germline), and within an insect population? (cnrs.fr)
  • Although much research has focused on Wolbachia germline concentration and transmission, a number of studies have convincingly demonstrated that Wolbachia are present in a broad array of larval and adult somatic tissues. (biologists.org)
  • The Wolbachia Project is an innovative lab series that gives students the opportunity to make original scientific discoveries about invertebrate endosymbionts while learning integrative approaches in biodiversity, evolution, cell biology, molecular biology, and bioinformatics. (docplayer.net)
  • 2009). Wolbachia biology is poised to initiate curiosity and inquiry in the classroom. (docplayer.net)
  • What can we learn from Wolbachia biology to control the spread of insectborne West Nile virus or agricultural pests? (docplayer.net)
  • However, as numerous areas of biology have shown, gaining or losing a symbiont can actually generate significant morphological change in a single generation. (uncommondescent.com)
  • Thus, the biology of this symbiont is enabled by a complex array of mobile elements. (asm.org)
  • The book includes updated information on Wolbachia biology and how it influences insect life, supplies two new examples of using symbionts in crop protection, and discusses the recent "bug in a bug" mealy bug case. (routledge.com)
  • We characterize the biology of each symbiont using biochemical, genetic, cellular and molecular techniques to understand the evolution and functional significance of each in the context of the dynamic host environment. (yale.edu)
  • The biology of each tsetse symbiont is characterized using biochemical, genomic, genetic, cellular and molecular techniques to understand their functional significance in the context of host ecology. (yale.edu)
  • Here we use RNA-seq to study the impact of Wolbachia on D. paulistorum and investigate the hypothesis that the symbiont may play a role in host speciation. (biomedcentral.com)
  • We also speculate that the observed differential expression of genes associated with chemical communication and reproduction may be associated with the emergence of pre- and postmating barriers between semispecies, which supports a role for Wolbachia in the speciation of D. paulistorum . (biomedcentral.com)
  • To investigate the molecular mechanism of the damage to the veins between Rc- and Sm-DBM, the full-length sequences of two related genes involved in the development of wing veins, f ringe ( Px - fng ) and engrailed ( Px - en ) of DBM were cloned, and the mRNA expressions of both Px-fng and Px-en were studied. (mdpi.com)
  • The Px-fng and Px-en cDNA contained 1038 bp and 1152 bp of open reading frames (ORFs), respectively, which encoded a putative protein comprising 345 and 383 amino acids with a calculated molecular weight of 39.59 kDa and 42.69 kDa. (mdpi.com)
  • 3) normal arthropod symbionts can be replaced with genetically modified symbionts, resulting in a population of arthropod vectors that can no longer transmit disease. (cdc.gov)
  • Now, O'Neill's team, led by Luciano Moreira, have found that their Wolbachia recruits have a second advantage - they stop mosquitoes from becoming vectors for the viruses and parasites that cause human disease. (scienceblogs.com)
  • In 2014, Wolbachia sequences were detected in A. gambiae samples collected in Burkina Faso. (brookes.ac.uk)
  • Here, we reanalyze and discuss recent evidence on the presence of Wolbachia sequences in A. gambiae. (brookes.ac.uk)