• Calamagrostis ( reed grass or smallweed [3] ) is a genus of flowering plants in the grass family Poaceae , with about 260 species [4] that occur mainly in temperate regions of the globe. (wikipedia.org)
  • For example, species in the genus Deyeuxia , distributed largely in the southern hemisphere are morphologically very similar to species of Calamagrostis . (wikipedia.org)
  • It may be appropriate to recognize all of these species in a single genus, but this will require detailed scientific study of DNA of species from around the world. (wikipedia.org)
  • They are caused by bacterial species of the genus Rickettsia and the closely related, but genetically distinct, genus Orientia . (health.mil)
  • Species classified within the genus Rickettsia are generally divided into 4 groups (i.e., clades). (health.mil)
  • Scrub typhus is a potentially fatal acute febrile disease transmitted by larval mites (i.e., "chiggers"), primarily of species of the genus Leptotrombidium that are infected by the obligate intracellular bacteria O. tsutsugamushi . (health.mil)
  • The genus Arenavirus includes 22 viral species and 9 additional arenaviruses that have been recently discovered, for which taxonomic status remains pending. (medscape.com)
  • The results confirmed that the formerly Trigonella species should be included in the genus Medicago. (usda.gov)
  • In 2012 a taxonomic revision suggested that this was a distinct genus of closely related spiders. (wn.com)
  • There are a total of 22 species in the genus. (wn.com)
  • This case, however, is rendered in some degree less surprising by the species of this genus having the power of crossing by some unknown means considerable spaces of open ocean: thus there is one species common to New Zealand and to the Auckland Islands, though separated by a distance of about 230 miles. (infidels.org)
  • Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. (pfaf.org)
  • This genus, with about nine extant species, is found in North America and Asia. (newworldencyclopedia.org)
  • Water hemlock is any of four species comprising the genus Cicuta, a group of very highly poisonous flowering plants native to temperate regions of the Northern Hemisphere, mainly North America. (newworldencyclopedia.org)
  • Although water hemlock bears a superficial resemblance to poison hemlock ( Conium genus)-and is a member of the same family-the species are distinct. (newworldencyclopedia.org)
  • There are between 8 and 10 species within the genus depending on the authority, with 4 occurring in North America and four to six inches East Asia. (newworldencyclopedia.org)
  • C. pyloridis is without question the most divergent of the Campylobacter isolates examined here and is sufficiently distinct to warrant inclusion in a separate genus. (nasa.gov)
  • Recognized as distinct genus for features of procarp development and tetrasporangia. (algaebase.org)
  • A group of strains representing species of the genus Leptospira, isolated from patients with leptospirosis in Mayotte (Indian Ocean), were previously found to be considerably divergent from other known species of the genus Leptospira. (nih.gov)
  • Draft genomes of the strains were also analysed to study the DNA relatedness with other species of the genus Leptospira. (nih.gov)
  • Surveys completed in 2018 of turtle species in the Pascagoula and Pearl River basins focused on the genus Graptemys , (map turtles and sawback turtles) revealed that the Pearl map turtle was less abundant than the Pascagoula map turtle. (healthygulf.org)
  • Twelve genera with five subgenera are recognized, a list of which is given on page 473 together with a brief synopsis giving the number of species in each genus, its general distribution, and characters. (amnh.org)
  • For instance, an arboreal or semi-arboreal species (as in the genus Niltava) which occupies open country in a region where exposed hunting perches are available may live in thickets, dense undergrowth, or mangrove in another region where such perches are not available. (amnh.org)
  • However, as stated in the introduction, where this genus is briefly discussed, Parisoma appears to be a composite and unnatural group made up of species which do not seem to be related to the Muscicapinae, some of them being almost certainly warblers which several authors have suggested should be placed in or near Sylvia. (amnh.org)
  • This species was placed in the genus Lithobates by Frost et al. (amphibiaweb.org)
  • Zika virus is a single-stranded RNA virus in the genus flavivirus, family flaviviridae that is closely related to dengue, yellow fever, Japanese encephalitis and West Nile viruses. (cdc.gov)
  • Babesia species and organisms of the closely related genus Theileria parasitize the erythrocytes of wild and domestic animals.These parasites are members of the order Piroplasmida, named for the pear-shaped forms found within infected red blood cells (RBCs). (medscape.com)
  • Babesia species and organisms of the closely related genus Theileria have worldwide distribution, parasitizing the erythrocytes of wild and domestic animals. (medscape.com)
  • Plants are self-incompatible and need to grow close to a genetically distinct plant in the same species in order to produce fertile seed[11, 200]. (pfaf.org)
  • In 2011 Hekkala, Saumure, Jaeger, Herrmann, Sredl, Bradford, Drabeck and Blum, in an open access article published in Conservation Genetics (DOI 10.1007/s10592-011-0229-6), showed that the closely related species Rana chiricahuensis includes two genetically distinct lineages. (amphibiaweb.org)
  • The greatest public health concern lies in the tendency of Influenzavirus A to change suddenly and markedly, either through mutation or through the exchange of influenza virus genes or through the transfer of whole virus between host species into novel, genetically distinct subtypes, in a process known as antigenic shift. (who.int)
  • There are about 17 species in three genera. (earthlife.net)
  • 7 Understanding of the epidemiology of rickettsial diseases continues to evolve as new information accumulates about the expanding geographic distribution of the causative pathogens, 8 the emergence of antibiotic-resistant strains,9 and the discovery of new species in the genera Rickettsia and Orientia . (health.mil)
  • Four genera (Microparamys, Sciuravus, Griphomys, and Pareumys) and seven species of small rodents are discussed from Eocene deposits in two areas of San Diego County, California. (amnh.org)
  • Morphna maculata ( Brunner von Wattenwyl, 1865 ) and Colapteroblatta compsa Hebard, 1919 are the type species of the genera Morphna Shelford, 1910 and Colapteroblatta Hebard, 1919 , respectively. (bioone.org)
  • Extant eared seals comprise 16 species in seven genera commonly known either as sea lions or fur seals . (newworldencyclopedia.org)
  • The animals constituting the species in all of these genera are relatively similar in basic appearance and are characterized by having a shell with a small, almost circular, aperture which has a small siphonal canal or 'spout' which projects at an oblique angle to the long axis of the animal. (reefkeeping.com)
  • The first group which consists of Bradornis and related genera is Ethiopian and comprises more primitive species that are usually heavily built and in which the flycatcher habits are not well developed, these species usually dropping down to the ground to feed, though two species (separated as Fraseria) are arboreal. (amnh.org)
  • The second group consists of Muscicapa and related genera and comprises the true flycatchers, the species differing, however, in their feeding or other habits or in the height at which they feed. (amnh.org)
  • Most of the genera recognized are quite or relatively homogeneous, but in Ficedula a number of more or less closely related subgroups can be distinguished, some of them representing, perhaps, polyphyletic elements. (amnh.org)
  • All eight species form a monophyletic group. (lacerta.de)
  • These isolates form a monophyletic cluster clearly related to but distinct from Vibrio cholerae. (cdc.gov)
  • Brittle stars (Ophiuroidea) are closely related, but there are some distinct differences, particularly when it comes to appearance and bodily functions. (deepseaworld.com)
  • Besansky and her fellow researchers investigated the genetic differences between the deadly parasite-transmitting species and their harmless (but still annoying) cousins. (sciencedaily.com)
  • The researchers carried out interspecies gene comparisons with the Anopheles and other insects, to identify equivalent genes in each species and highlight potentially important differences. (sciencedaily.com)
  • This is on par with differences between many closely-related species of North American mammals. (boone-crockett.org)
  • These differences in habits may be correlated with adaptive differences in structure, but in some species, the habits of which vary geographically with changing ecological conditions, the morphological characters do not change. (amnh.org)
  • We found phenotypical and genomic differences between strain Marseille-Q4368 and its closely related species. (bvsalud.org)
  • You can review this summary to see whether any distinct differences between animals and humans have been documented for your contaminant. (cdc.gov)
  • we previously analyse differences within the variables among domestic poultry in Egypt, caus- reported that the average infection rate examined (sample type, governorate, ing massive economic losses in the was about 7.7% between 2009 and 2014 species and production source). (who.int)
  • 2011. Different evolutionary histories underlie congruent species richness gradients of birds and mammals. (colorado.edu)
  • Reptiles do not form a distinct evolutionary group as birds and mammals do. (eol.org)
  • We selected species from Africa, Asia, Europe, and Latin America that represent a range of evolutionary distances from Anopheles gambiae , a variety of ecological conditions, and varying degrees of vectorial capacity," Besansky said. (sciencedaily.com)
  • These detailed studies involving so many species were facilitated by large-scale computational evolutionary genomic analyses led by Robert Waterhouse from the University of Geneva Medical School and the Swiss Institute of Bioinformatics. (sciencedaily.com)
  • Unlike the trochoideans, but like the animals that I discussed last month, these animals are not closely related and are from several distinct and different evolutionary lineages. (reefkeeping.com)
  • Since the evolutionary forces driving genetic changes that cause infertility between species are likely also acting within species, the study of hybrid sterility also promises significant insight into mechanisms underlying infertility within species. (elifesciences.org)
  • We will try to show that the "science of eugenics", proposed by Francis Galton (1883), and the contemporary transhumanist project, outlined since the second half of the 20th century, share the controversial belief that human beings, through science and technology, are able to successfully control the evolutionary processes of human species. (bvsalud.org)
  • Areas of expertise include community ecology, experimental design of field and greenhouse studies, species distribution modeling, climate change vulnerability analyses, phylogenetic comparative methods, plant-soil feedback, and statistical modeling. (colorado.edu)
  • Partial DNA sequences from three mitochondrial (cytochrome b, 12S rRNA and 16S rRNA) and two nuclear (-fibrinogen intron 7 and C-mos) genes were used to estimate the phylogenetic relationships among all eight extant species of green lizards, Lacerta sensu stricto, and many currently recognized subspecies. (lacerta.de)
  • fibrinogen intron 7, typically used for assessing phylogenetic relationships among bird species, is a useful phylogenetic marker for reptiles also, showing considerable variation between species. (lacerta.de)
  • The large majority of the structural (functional) characters as distinct from the pattern and coloration of the plumage appear to be adaptive and are of dubious phylogenetic significance. (amnh.org)
  • Phylogenetic and genomic analyses suggest that they represent a basal lineage highly divergent from Vibrio cholerae or a novel species. (cdc.gov)
  • Given the subtle distinctions between many closely related taxa, there are several species complexes that could benefit from additional systematic study. (wikipedia.org)
  • The two species had been described as conspecific with taxa on Madagascar (where nearly all other mantellids are found) and were assumed to have been introduced. (evolutionnews.org)
  • However, morphology and DNA sequences indicate that the two Mayotte taxa are distinct new species and, therefore, are natural endemics. (evolutionnews.org)
  • It most closely resembles M. decipiens and M. yunnanensis but differs by the larger stipules, 5-6 mm, longer petiole, 4-5 cm, and more densely softly spiny capsule. (efloras.org)
  • Closely resembles Dasyptilon in vegetative structure. (algaebase.org)
  • 28 species (seven endemic) in China. (efloras.org)
  • when it broke away from the mainland, the surviving species evolved into the endemic ones found today because they were cut off from outside influences and predators. (go2africa.com)
  • Before 2010, biologists believed that there were two endemic species in the Pascagoula and one in the Pearl, but that year, DNA research by scientists at the University of Southern Mississippi separated one of them, the Pascagoula map turtle, into two species. (healthygulf.org)
  • An endemic aquatic species is one confined to a single river system. (healthygulf.org)
  • In general, the presence of multiple endemic turtle species tells us that despite what we've done to cause harmful impacts to the Pearl, or other rivers, with damming and urban pollution, these endemic species have managed to persist since the end of last Ice Age. (healthygulf.org)
  • They are distinct from other cricket species due to their specific taxonomy and evolution, which ties them more closely to the Australian rainforests. (whatsthatbug.com)
  • Thus, although about half the world's human population is at risk of malaria, most fatalities occur in sub-Saharan Africa, home of the major vector species, Anopheles gambiae . (sciencedaily.com)
  • Cronobacter sakazakii, a species of gram-negative bacteria belonging to the Enterobacteriaceae family, is known to cause severe and often fatal meningitis and sepsis in young infants. (medscape.com)
  • The largest species of porcupine is the third-largest living rodent in the world, after the capybara and beaver . (wikipedia.org)
  • A fish assemblage is composed of all the species populations within the community. (encyclopedia.com)
  • Electrophoretic investigations of six populations of green lizards from Western, Central, and Southeastern Europe are consistent with results from hybridization experiments and confirm species status for the western green lizard, Lacerta bilineata. (lacerta.de)
  • In the present work, morphometric and cytogenetic analyses were carried out in populations of the fish Astyanax fasciatus (Characidae) from Contas and Recôncavo Sul River basins (State of Bahia, Brazil), providing new data on the genetic structure of this species along the region. (scielo.br)
  • Cytogenetic data revealed a same diploid number for all populations (2n = 48), but distinct karyotype formulae (8M+24SM+12ST+4A, FN = 92 in Contas River, 8M+24SM+10ST+6A, FN = 90 in Preto do Costa River, and 8M+18SM+16ST+6A, FN = 90 in Mineiro Stream). (scielo.br)
  • RÉSUMÉ La surveillance des virus de la grippe aviaire dans les populations de volailles égyptiennes est en cours depuis 2009. (who.int)
  • La surveillance des virus de la grippe aviaire doit se poursuivre en Égypte afin de déceler les futures évolutions de la circulation du H5N1 dans les populations de volailles. (who.int)
  • This new bacterial species is Gram-positive, non-motile, and non-spore-forming. (bvsalud.org)
  • nov. strain Marseille-Q4368 (=CSUR Q4368 = DSM 112403) for this newly identified bacterial species. (bvsalud.org)
  • A. lumbricoides is the primary species involved in human infections globally, but Ascaris derived from pigs (often referred to as A. suum ) may also infect humans. (cdc.gov)
  • Ascariasis is infection with Ascaris lumbricoides or occasionally Ascaris suum (a closely related parasite of pigs). (msdmanuals.com)
  • Whether A. suum is a distinct species from A. lumbricoides is debated. (msdmanuals.com)
  • see Causal Agents for discussion on species status of Ascaris from both hosts. (cdc.gov)
  • Two strains from each serogroup currently identified within this novel species were studied. (nih.gov)
  • WGS* was performed and identified two distinct strains of C. sakazakii (Figure). (medscape.com)
  • Tsuga species are used as food plants by the larvae of some Lepidoptera species including autumnal moth and the engrailed, and older caterpillars of the gypsy moth . (newworldencyclopedia.org)
  • Other species known to infect humans include B. duncani, B. divergens, B. venatorum, and B. crassa. (medscape.com)
  • This was inferred from sequence analysis of rrs (16S rRNA) and other genetic loci and suggests that they belong to a novel species. (nih.gov)
  • Analysis of average nucleotide identity and genome-to-genome distances, which have recently been proposed as reliable substitutes for classical DNA-DNA hybridization, further confirmed that these isolates should be classified as representatives of a novel species. (nih.gov)
  • These isolates are considered to represent a novel species, for which the name Leptospira mayottensis sp. (nih.gov)
  • Genome analysis suggests that this group of isolates represents a highly divergent basal V. cholerae lineage or a closely related novel species. (cdc.gov)
  • Malaria parasites are transmitted to humans by only a few dozen of the many hundreds of species of Anopheles mosquitoes, and of these, only a handful are highly efficient disease-vectors. (sciencedaily.com)
  • The spotted fever group (SFG) comprises more than 30 species and includes the etiologic agents for Rocky Mountain spotted fever (RMSF), African tick-bite fever (ATBF), and Mediterranean spotted fever (MSF). (health.mil)
  • 3. van Belkum A. Tracing isolates of bacte- the main vector for the bacteria, but rial species by multilocus variable number ed species except R. pusillus . (cdc.gov)
  • The new isolates formed a distinct clade, which was most closely related to Leptospira borgpetersenii, in multilocus sequence analysis using concatenated sequences of the genes rpoB, recA, fusA, gyrB, leuS and sucA. (nih.gov)
  • Isolates from across the United States Closely Related to Vibrio cholerae. (cdc.gov)
  • isolates closely related to the waterborne human pathogen Vibrio cholerae. (cdc.gov)
  • 2014. The geography and ecology of plant speciation: Range overlap and niche divergence in sister species. (colorado.edu)
  • New species are created via a process called speciation, and nature employs various 'barriers' to keep closely related species distinct from one another. (elifesciences.org)
  • Over time, this separation caused speciation - long periods of isolation brought the separation into distinct species with distinct genetic profiles in separate river systems. (healthygulf.org)
  • Not only have many fresh-water species, belonging to quite different classes, an enormous range, but allied species prevail in a remarkable manner throughout the world. (literature.org)
  • It was formerly believed that the same fresh-water species never existed on two continents distant from each other. (infidels.org)
  • Batrachians (frogs, toads, newts)," Darwin noted in The Origin of Species, "have never been found on any of the many islands with which the great oceans are studded. (evolutionnews.org)
  • They are best known for the habit of some species mimicking the songs of other birds and the sounds of insects and amphibians, often loudly and in rapid succession. (earthlife.net)
  • For example, lizards are more closely related to birds than to turtles! (eol.org)
  • dinosaurs, birds, crocodiles, and snakes are more closely related to each other than to turtles or mammals. (eol.org)
  • Although hybrids of these two species inherit three chromosomes from each parent, the majority of spores (the yeast equivalent of sperm) that these hybrids produce fail to develop into new yeast cells. (elifesciences.org)
  • It is the largest species, reaching heights of 70 meters, and is a particularly common timber tree in the Pacific Northwest of North America. (newworldencyclopedia.org)
  • The authors assigned this lineage to Rana fisheri, and accordingly, the species continues to exist. (amphibiaweb.org)
  • Nucleotide sequence variation in the internal transcribed spacer (ITS) region of the ribosomal gene was investigated in 28 Medicago species,and Metilotus officinalis was included as an outgroup. (usda.gov)
  • Variation in the ability of different Anopheles species to transmit malaria -- known as "vectorial capacity" -- are determined by many factors, including feeding and breeding preferences, as well as their immune responses to infections. (sciencedaily.com)
  • Species diversity can be inferred using multiple data types, however, results based on genetic data can be at odds with patterns of phenotypic variation. (mdpi.com)
  • however, for the purposes of this review, infections caused by these species are not discussed further in this article (Table). (health.mil)
  • In the United States, most infections are caused by Babesia microti , a species commonly found in mice. (medscape.com)
  • Article 24), chose B. diversus as the valid name for the species. (nhm.ac.uk)
  • They can imitate the songs of other bird species, as well as various sounds in their environment, such as the ringing of a telephone or the sound of a car alarm. (articleinsider.com)
  • The Common Nightingale possesses several physical characteristics that distinguish it from other bird species. (articleinsider.com)
  • distances of 0.16- 0.19 found between L. viridis and L. bilineata are within the range found for other sister species of lacertids. (lacerta.de)
  • And, indeed, fossils of various species of marsupial, dating to 35-40 million years ago, have been identified on Antarctica. (evolutionnews.org)
  • There are various species of raspy crickets, including the Australian Raspy Cricket, Chauliogryllacris acaropenates source . (whatsthatbug.com)
  • Annotated list of the reptiles and batrachians collected by the Death Valley Expedition in 1891, with descriptions of new species. (amphibiaweb.org)
  • Assemblages have order and structure, and both are maintained by interactions between species within the assemblage and with assemblages of other kinds of organisms within the community. (encyclopedia.com)
  • Furthermore, juveniles and adults of the same species might not be members of the same guild. (encyclopedia.com)
  • For example, juveniles of numerous species may shelter in mangrove roots, but as adults some of those species are found living in association with corals. (encyclopedia.com)
  • To address speculations that the virus originated in domesticated animals, or that domestic species were susceptible to the virus, we inoculated 6-week-old pigs and chickens intravenously, intranasally, ocularly, and orally with 10 6 PFU of SARS-associated coronavirus (SARS-CoV). (cdc.gov)
  • The New World porcupines evolved their spines independently (through convergent evolution ) and are more closely related to several other families of rodents than they are to the Old World porcupines. (wikipedia.org)
  • Not only are these look-alike species not benign grazers, but instead they may prey on desirable reef aquarium species. (reefkeeping.com)
  • Galton initiates a debate in the United Kingdom on how to enhance the human species by preserving and promoting "desirable" biological and cultural traits. (bvsalud.org)
  • A striking example concerns two mantellid frog species found on Mayotte, an island of the Comoros archipelago some 300 km west of Madagascar. (evolutionnews.org)
  • Babesia microti is the species found in mice. (medscape.com)
  • Most species have numerous head spines. (usgs.gov)
  • For example, a guild of obligate Pocillopora eydouxi coral-dwelling fish species could include one or more hawkfishes ( Neocirrhites armatus, Paracirrhites arcatus, and Paracirrhites forsteri -Cirrhitidae), a coral croucher ( Caracanthus maculatus -Caracanthidae), a scorpionfish ( Sebastapistes cyanostigma -Scorpaenidae), a goby ( Paragobiodon species-Gobiidae), and a damselfish ( Dascyllus reticulatus - Pomacentridae). (encyclopedia.com)
  • 2016) recognized subgenera within Rana for the major traditional species groups, with Lithobates used as the subgenus for the Rana palmipes group. (amphibiaweb.org)
  • Deterministic processes emphasize fine-scale ecological niches that encompass interactions, such as competition, cooperation, predator-prey, and so on between species. (encyclopedia.com)
  • Recent advances in DNA analysis techniques now allow researchers to evaluate genetic data in ways that provide managers with meaningful ecological management units on an ecoregion scale throughout the range of a species. (boone-crockett.org)
  • The proven practicability of experimental hybridization provides support for the biological species concept. (lacerta.de)
  • The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. (pfaf.org)
  • Like the closely related kingbirds, this species is often observed on open perches, ready to fly out to snag any insects in midflight. (birdsandblooms.com)
  • They are wingless insects, which sets them apart from other cricket species. (whatsthatbug.com)
  • Since these two yeast species are so closely related, the findings of Zanders et al. (elifesciences.org)
  • These findings underscore the classification of this bacterium as a distinct species. (bvsalud.org)
  • Many species of Calamagrostis are morphologically similar, but they generally occur in distinct habitats, and they have unique geographical distributions. (wikipedia.org)
  • Closely related viruses include Mucambo virus and Everglades virus. (wikipedia.org)
  • Both species are natural hosts for a number of viruses from the same family as SARS-CoV ( Coronaviridae ). (cdc.gov)
  • Some species of fresh-water shells have a very wide range, and allied species, which, on my theory, are descended from a common parent and must have proceeded from a single source, prevail throughout the world. (literature.org)
  • We have very little information on this species and do not know if it is hardy in Britain, though judging by its native range it should succeed outdoors in most parts of the country. (pfaf.org)
  • however, its range extends to Sumatra where the two species co-occur. (usgs.gov)
  • While this bug does not seriously affect the hemlocks in its native range, nor the two western North American species, it is unchecked by both resistance and predators in the eastern United States . (newworldencyclopedia.org)
  • The distribution of these crickets is influenced by Australia's unique geographic characteristics, resulting in a diverse and fascinating range of species. (whatsthatbug.com)
  • Babesia species in the host erythrocyte range from 1 to 5 µm in length. (medscape.com)
  • Tsuga species also serve as food and habitat for many animals. (newworldencyclopedia.org)
  • The two sawback turtles received protection under the Endangered Species Act (ESA) in 1986 (Ringed sawback), and 1991 (Yellow blotched sawback) when they were both classified as "threatened" so any federally funded project affecting their habitat must undergo an ESA consultation. (healthygulf.org)
  • This species was associated with springs and trickling streams in "springy fields", with the habitat isolated by the surrounding desert (Wright and Wright 1949). (amphibiaweb.org)
  • The species with the most evidence of infection were the Culex interfor, Culex quinquefasciatus, Aedes albifasciatus, and Culex (Melanoconion) taeniopus. (wikipedia.org)