GenusSystematicsDelimitationBiogeographyPhylogenetic relationshipsInferGenomicMorphologyLineagesDistinctIntergenic spacerAnalysesMollis2017DelimitationsInferenceGeneraBryophyteRibosomalSubgenusSinensisGenomeBehavioursEvolutionary historyEcology and EvolutionDiversityDifferent speciesGeneticsSimilaritiesTraitsClosely related speciesCladeEvolutionTaxonomic researchAnimal speciesSequencesSouth AfricaTaxaOrganismsGenesAncestralBoundariesRelationshipsSpecimensIsolationPublicationDistributionInvestigateObservationsMycobacteriumOrigin of SpecIdentification of speciesConservationFossilLengthsHabitatsBelongs
Genus18
- A cladistic analysis of the known species of Ansomys , as well as new material from Hepburn's Mesa and a few other morphologically similar species, prompted reconstruction of the biogeographic history of the genus. (bioone.org)
- Here we showcase an ideal organismal system for a data-rich, comparative approach to evaluating integrative strategies of species delimitation among charismatic monitor lizards of the genus Varanus. (ku.edu)
- Owing to their highly plastic plant architecture and morphological similarities across the genus, barnyard grass species are very difficult to delimit on the basis of morphological criteria. (nature.com)
- In Thailand, the genus comprises at least six species, one of which is Anentome wykoffi, a species that may act as an intermediate host of parasitic trematodes. (researchgate.net)
- A new species of the giant pill millipede genus Sphaerobelum is described: Sphaerobelum turcosa sp. (researchgate.net)
- The Genus Syzygium: Syzygium cumini and Other Underutilized Species (1st ed. (taylorfrancis.com)
- The main morphological differences between Datronia, Datroniella, Neodatronia and related genera are discussed, identification keys to related genera and species in each genus are provided. (nih.gov)
- Phylogeny and species delimitations in the entomopathogenic genus Beauveria (Hypocreales, Ascomycota), including the description of B. peruviensis sp. (pensoft.net)
- This study defines those three species as members of L. goodeyi complex group and reveals the taxonomical complexity of the genus Longidorus . (ufz.de)
- A new species of terrarana frog of the genus Pristimantis is described from the Reserva Ecológica El Quimi, Quimi Valley, in the southeastern Ecuadorian Andes. (yachaytech.edu.ec)
- The DNA sequences, supported by the morpho-anatomical character of tetrasporangial conceptacle roof development, placed all three species in the genus Chamberlainium and not Pneophyllum , the only other genus in Chamberlainoideae. (degruyter.com)
- His lab is interested in identifying the patterns of genomic evolution of fungal species and populations, especially focused on the evolution, systematics, and genomics of secondary metabolism of the genus Basidiobolus . (clarku.edu)
- First tropical American species of the "relict" genus Litoleptis, and relationships in Spaniinae (Diptera, Rhagionidae). (amnh.org)
- The genus Litoleptis has consisted of nine described species, seven of them Asian and only two in the New World: L. alaskensis Chillcott, known from two specimens from northwest Alaska, and L. chilensis Hennig, known from a male specimen from near Santiago, Chile. (amnh.org)
- The species is unique for the genus in having a vestigial proboscis and lacking spermathecal accessory ducts and glands. (amnh.org)
- The banded newt (genus Ommatotriton) from the Near East has been proposed to contain three species (O. nesterovi, O. ophryticus and O. vittatus) with unclear phylogenetic relationships, apparently limited interspecific gene flow and deep intraspecific geographic mtDNA structure. (lu.se)
- The results confirmed that the formerly Trigonella species should be included in the genus Medicago. (usda.gov)
- This work led to the definition of a new genus for cutaneous bacteria, Cutibacterium , which accommodates the former cutaneous species and allows differentiation from other Propionibacterium species, including those present in dairy products and cattle rumen. (medscape.com)
Systematics2
- Recent conceptual, technological, and methodological advances in phylogenetic systematics have enabled increasingly robust statistical species delimitation in empirical studies of biodiversity. (ku.edu)
- Species identification skill is a key proficiency for admission to biological jobs in nature protection, conservation, environmental monitoring and systematics/taxonomy. (lu.se)
Delimitation7
- The focus here is on species delimitation with no a priori assignment of individuals to species, and no guide tree. (biorxiv.org)
- Current practice, using a pipeline approach to species delimitation under the multispecies coalescent, has been shown to have major problems on simulated data [ 10 ]. (biorxiv.org)
- As the diversity of lines of evidence has increased, so too have the kinds of tools and inferential power of species delimitation methods expanded. (ku.edu)
- Species delimitation is based on morphological characters and COI sequence data. (researchgate.net)
- Species delimitation is particularly difficult in Collembola due to considerable morphological conservatism, and many Collembola species comprise high genetic divergence and high cryptic species diversity. (uni-goettingen.de)
- DNA-based methods provide useful tools for species delimitation, phylogenetic reconstruction, and lineage divergence time estimation. (uni-goettingen.de)
- This study challenges the current morphology-based species delimitation in the L. lanuginosus species group and suggests that molecular approaches are needed for accurate determination of Collembola species in both taxonomic and ecological studies. (uni-goettingen.de)
Biogeography1
Phylogenetic relationships3
- Stratigraphic ranges combined with phylogenetic relationships between species suggest this wide distribution as early as the late Oligocene, which is unique among aplodontid genera. (bioone.org)
- Overall, the results suggest that wide geographic sampling combined with molecular phylogenetic approaches is necessary to delimit species, understand the full range of cryptic diversity, and analyze phylogenetic relationships in Collembola. (uni-goettingen.de)
- We determine population structure (with Bayesian clustering and principal component analysis), interspecific gene flow (by determining the distribution of species-diagnostic alleles) and phylogenetic relationships (by maximum likelihood inference of concatenated sequence data and based on a summary-coalescent approach). (lu.se)
Infer4
- We collected a 5-gene dataset to estimate phylogeny, and used multilocus genetic networks, analysis of population structure, and a Bayesian coalescent approach to infer species boundaries in this group. (ku.edu)
- By assuming that the set of haplotypes that result from genotype mapping corresponds and adheres to the concept of perfect phylogeny (as well as other assumptions such as perfect Mendelian inheritance and the fact that there is only one mutation per SNP), one is able to infer missing haplotype data. (wikipedia.org)
- The similarities and differences in the genes or genomes are then used to infer how closely related species are based on whether regions have changed, as well as how likely specific regions are to change. (news-medical.net)
- The most rigorous and general method for creating a comparative genomic mapping of functionally-equivalent genes across species is through the use of phylogenetics to infer evolutionary relationships. (biorxiv.org)
Genomic2
- In order to better understand the genomic forces driving the evolution of Echinochloa species toward weed and crop characteristics, we assemble genomes of three Echinochloa species (allohexaploid E. crus-galli and E. colona , and allotetraploid E. oryzicola ) and re-sequence 737 accessions of barnyard grasses and millets from 16 rice-producing countries. (nature.com)
- Our results provide genomic insights into the dual roles of Echinochloa species as weeds and crops as well as essential resources for studying plant polyploidization, adaptation, precision weed control and millet improvements. (nature.com)
Morphology5
- The shell morphology is traditionally used for species identification yet in Thailand, the common snorkel snail, Rhiostoma housei, shows considerable variation in shell morphology within and between populations. (researchgate.net)
- On the basis of habitat distribution and shell morphology, the 10 extant Sri Lankan species fall into two distinct groups, lowland and montane. (researchgate.net)
- Species diversity delimited by morphology was compared with that delimited by genes. (uni-goettingen.de)
- However, differential morphology in the tail shape of first-stage juvenile, phylogeny and haplonet analyses indicate they are three distinct valid species. (ufz.de)
- General morphology, terminology and phylogeny. (lu.se)
Lineages9
- Our results contradict previous systematic hypotheses, reveal surprising relationships between Philippine and non-Philippine lineages, and simultaneously uncover novel, cryptic evolutionary lineages (new putative species). (ku.edu)
- Tree of life diagrams are graphic representations of phylogeny-the evolutionary history and relationships of lineages-and as such these graphics have the potential to convey key evolutionary ideas and principles to a variety of audiences. (springer.com)
- As visual representations of the history of lineages or phylogeny, trees reflect the core concept of common ancestry. (springer.com)
- The development of molecular methods triggered the discovery of cryptic species, i.e., genetically distinct lineages in morphologically undifferentiated species. (uni-goettingen.de)
- By analyzing two mitochondrial and two nuclear genes from three morphospecies of the European Lepidocyrtus lanuginosus species group (Collembola: Entomobryidae) from different geographic regions of Europe, this thesis focuses on exploring cryptic species / lineages diversity, their phylogeny, and the effects of historical geographic and climatic changes on the divergence and distribution of this species group in Europe. (uni-goettingen.de)
- The three lineages were genetically as distant to each other as well separated species. (uni-goettingen.de)
- EF1-α separated 89% of these lineages, showing a higher resolution than 28S rDNA D1-2 in distinguishing closely related genetic lineages of the species group. (uni-goettingen.de)
- The phylogenetic analysis based on the four genes showed that both morphospecies L. cyaneus and L. lanuginosus are polyphyletic, suggesting that body color is insufficient for delimiting morphospecies and lineages in this Collembola species group. (uni-goettingen.de)
- In Chapter IV, I studied the phylogeography of 18 lineages of the L. lanuginosus species group using a multi-locus molecular approach. (uni-goettingen.de)
Distinct7
- The use of phylogenies for understanding pathogenic microorganisms can have distinct advantages over other methods. (news-medical.net)
- and assuming estimates of 8.7 million distinct species, this would result ~26 PiB data. (stackexchange.com)
- We confirm that the three proposed species are genetically distinct. (lu.se)
- Intraspecific structuring is extensive, with the only recognized banded newt subspecies, O. vittatus cilicensis, representing the most distinct lineage below the species level. (lu.se)
- These results suggest that alfalfa is relatively distinct from related species, and the relationships of the other species are somewhat different from previously believed. (usda.gov)
- This was first thought to be a distinct species, and named B. frontalis , but it is almost certainly a hybrid between gaur and domestic cattle. (scientificamerican.com)
- On the basis of genetic differences, in comparison with Usutu virus strains from Africa, the Usutu virus strain from Europe, except those from Spain, form a distinct clade within Usutu virus phylogeny. (cdc.gov)
Intergenic spacer1
- Here we obtained a well-resolved polymorphism type of intergenic spacer (IGS) sequence phylogeny of B. burgdorferi sensu stricto clonal complexes (corresponding to the ospC- A and -B groups) is associated by using multilocus sequence typing at housekeeping loci with hematogenous dissemination in patients with early as well as loci under adaptive evolution. (cdc.gov)
Analyses1
- Our study contributes to a growing body of literature suggesting that integrative combinations of types of data and analyses are most informative to systematists and biodiversity specialists when attempting to estimate species diversity. (ku.edu)
Mollis3
- The Datronia in a restricted sense is proposed for the clade including the type species D. mollis and D. stereoides. (nih.gov)
- However, P. madeira is very closely related to Fea's Petrel , another species recently split from P. mollis . (earthlife.net)
- As all three of species in the Pterodroma feae /madeira/ desertae complex were once believed to be subspecies of a single species Pterodroma mollis , well-understood is the extreme difficulty in telling them apart. (earthlife.net)
20171
Delimitations1
- This article describes a Bayesian method for inferring both species delimitations and species trees under the multispecies coalescent model using DNA sequences from multiple loci. (biorxiv.org)
Inference3
- Phylogenies are also important for other forms of evolutionary inference, as it affects how much a species can evolve. (news-medical.net)
- We study a median of 16,101 genes across 2 mammalian genomes (human, mouse), 12 Drosophila genomes, 5 Caenorhabditis genomes, and an outgroup yeast genome, and demonstrate that accurate inference of evolutionary relationships and events across these species must account for frequent gene-tree topology errors due to both incomplete lineage sorting and insufficient phylogenetic signal. (biorxiv.org)
- Different clonal complexes may prefer molecular markers provides a more robust inference on different host species ( 9 ). (cdc.gov)
Genera4
- Up to now, thirteen fossil genera with more than 100 species of ommatids have been described. (biomedcentral.com)
- It includes the two extant genera, Omma Newman, 1839 [ 9 ] and Tetraphalerus Waterhouse, 1901 [ 15 ], with a total of six extant species. (biomedcentral.com)
- Illustrated descriptions of the new species and two new genera are provided. (nih.gov)
- Cutibacterium species belong to the genera of coryneforms (Actinobacteria phylum) and are the best studied because of their association with acne vulgaris . (medscape.com)
Bryophyte2
Ribosomal1
- 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)
Subgenus1
- We also present an updated phylogeny for the subgenus Huicundomantis. (yachaytech.edu.ec)
Sinensis2
Genome4
- For example, critical genes used for specific cell functions are less likely to change than unused sections of the genome, and therefore any changes in critical genes between two species are likely to indicate more distant relatedness. (news-medical.net)
- If we sequenced the genome of every species, would all phylogenies agree? (stackexchange.com)
- Hypothetically, if we knew the genome of every species, would we resolve all phylogenetic debates? (stackexchange.com)
- A high-resolution core genome analysis has clarified the phylogeny of the Propionibacteriaceae family in an attempt to better understand how species relate to each other and to unravel adaptive processes behind the transmission and evolutionary adaptation of Propionibacterium acnes to human skin. (medscape.com)
Behaviours1
- Among my research interests are building large family trees of extinct species, understanding major evolutionary transitions (when organisms drastically change their body plans and expand into new environments), and using computed tomography scanning to study the biology and behaviours of extinct species. (lu.se)
Evolutionary history2
- Therefore, while climate change brings many difficulties in establishing a general understanding of species vulnerability, these findings emphasize how combining trait-based approaches in light of the species evolutionary history may offer new opportunities in facing conservation challenges. (nature.com)
- This approach would include aspects of genetics, habitat ecology, evolutionary history, and conservation/environmental policy to generate an all-inclusive conservation plan for species threatened by climate change and anthropogenic habitat loss. (mtsu.edu)
Ecology and Evolution1
- Daphnia magna is a well-established model species in ecotoxicology, ecology and evolution. (biomedcentral.com)
Diversity3
- The water monitors (Varanus salvator Complex), a widespread group distributed throughout Southeast Asia and southern India, have been the subjects of numerous taxonomic treatments, which recently have drawn increased attention to the possibility of undocumented species diversity in the Philippines. (ku.edu)
- To date, studies of this group have relied on purportedly diagnostic differences in morphological characters, with no attention given to the genetic underpinnings of species diversity. (ku.edu)
- Accurate species identification and assessment of species diversity are essential for studies on phylogeny and phylogeography, adaptation and ecological function. (uni-goettingen.de)
Different species3
- SINEs provide information on the inheritance of certain traits across different species. (wikipedia.org)
- Once gene families are established, they immediately imply a coarse mapping between the genes of different species. (biorxiv.org)
- However, different species can have very different senses of taste: what tastes sweet to humans tastes very different to cats and to birds. (mpg.de)
Genetics2
- The Tabima lab uses a multidisciplinary approach of integrating tools and concepts from evolutionary theory, computational biology, genomics, genetics, and plant pathology/mycology in order to study these phenomena, as well as to create computational and molecular tools for the rapid identification of species, populations, genes of interest and molecular patterns of fungal evolution. (clarku.edu)
- Increasingly, the collections are also used to extract DNA and thus enable studies of species' relationships, distribution history and population genetics, or to investigate the expression, variation or change of different genes over time. (lu.se)
Similarities2
- When constructing phylogenies, the similarities of species' characteristics are scored to give an indication of relatedness. (news-medical.net)
- For any given set of species, gene families are created by first identifying all the genes in all species and then clustering them based on their sequence similarities. (biorxiv.org)
Traits6
- Here, we investigate whether species traits and their underlying phylogenetic constraints explain altitudinal shifts at the trailing and leading edges of stream fish species ranges. (nature.com)
- For pathogenic microorganisms, several specific traits are of interest when it comes to constructing phylogenies. (news-medical.net)
- Phylogenies can show how strains of bacteria acquire these traits that can turn a microorganism into a pathogenic microorganism. (news-medical.net)
- When analyzing the traits of several species within a family, the species are not seen as independent data points due to their evolutionary relatedness, which means precautions need to be taken, and the phylogenic information needs to be included. (news-medical.net)
- Longevity is highly variable among animal species, and has coevolved with other of life-history traits, like body size and rates of reproduction. (authorea.com)
- To test associations of life-history traits and telomere dynamics, we conducted a phylogenetic meta-analysis using studies of 53 species of birds. (authorea.com)
Closely related species1
- closely related species had more similar short-term memory abilities. (lu.se)
Clade1
- Datroniella gen. nov., typified by D. scutellata was proposed for species in the other clade. (nih.gov)
Evolution5
- Our cpDNA results are congruent with, but do not prove, the hypothesis of reticulation as one of the major processes to have occurred in the evolution of snapdragons, and suggest that other species in addition to those belonging to the A. majus group may also have been involved in the reticulation scenario. (floraprotegida.es)
- This, in turn, also revealed that many genes present in the non-pathogenic species had been lost from the pathogenic species, presumably influencing their evolution. (news-medical.net)
- How phylogenies are depicted and used in informal science settings impacts their accessibility and effectiveness in communicating about evolution to visitors. (springer.com)
- I am a palaeontologist and evolutionary biologist who studies the anatomy, phylogeny, and evolution of fossil vertebrates, particularly dinosaurs, birds, and mammals. (lu.se)
- However, interdependencies between phylogeny and socioecology of a given species present an obstacle to disentangling the effects of each of these factors on the evolution of short-term memory capacity. (lu.se)
Taxonomic research3
- The results indicate that genetic markers are a reliable and fast method to detect cryptic species, which may facilitate taxonomic research on Collembola species and the identification of possible species-specific morphological characters. (uni-goettingen.de)
- We also aim to develop a deep understanding of species concepts used for bryophytes, including the ability to critically evaluate such species concepts, skills that are applicable both in practical conservation work and in taxonomic research. (lu.se)
- Our collections are mainly used in taxonomic research to clarify species boundaries, relationships and which name should be used. (lu.se)
Sequences3
- The first steps usually involve aligning the sequences of the various species, helping to identify sequences that are conserved or have remained the same, and sequences that have changed. (news-medical.net)
- So, don't expect a perfect species tree where all sequences will agree on. (stackexchange.com)
- Based on plastid encoded DNA sequences from psb A and rbc L markers, these species belong in the subfamily Chamberlainoideae. (degruyter.com)
South Africa3
- Three new non-geniculate coralline algal species from South Africa are described that were passing under the misapplied name, Spongites yendoi . (degruyter.com)
- Biogeographically all three species are found in the Benguela Marine Province of South Africa, with C. occidentale being the most widespread. (degruyter.com)
- Originally isolated from a Culex neavei mosquito in South Africa in 1959, Usutu virus was subsequently detected in different mosquito and bird species throughout sub-Saharan countries. (cdc.gov)
Taxa3
- We present species accounts and lists of species, which we built with criteria that, in our opinion, yielded results with increased scientific rigor relative to previously published lists -e.g., excluding nominal taxa whose statuses as species have been claimed only on the basis of unpublished data, incomplete taxonomic work, or weak evidence. (scite.ai)
- For various taxa, we provided arguments regarding species distributions, conservation and taxonomic statuses previously lacking in the literature. (scite.ai)
- Our results confirm previous findings that longer delays decrease memory performance across species and taxa. (lu.se)
Organisms1
- Phylogenies show how organisms are related to each other by placing them in an ordered map of them and their relatives. (news-medical.net)
Genes3
- Detailed studies of Leptospira proteins and genes that influence pathogenicity make more sense when placed in a phylogenetic context, such as one study showing how genes gained and lost by pathogenic and intermediately pathogenic species since their split from non-infectious species provide increased understanding of how bacterial pathogens change and adapt in response to their hosts. (news-medical.net)
- [7] Except for two coastal cave dwelling species in the asexual class Cyanidiophyceae , there are no terrestrial species, which may be due to an evolutionary bottleneck in which the last common ancestor lost about 25% of its core genes and much of its evolutionary plasticity. (wikipedia.org)
- To inform each other and human, model organism studies require a complete map of functionally-equivalent genes and processes across species, in order to facilitate mapping of biological and experimental findings across species, but such maps are extremely difficult to obtain experimentally. (biorxiv.org)
Ancestral2
- Part of a gene that is similar in numerous plant species was examined at the molecular level to assess the ancestral relationships of 28 Medicago species related to alfalfa. (usda.gov)
- We introduce the concept of the interspecies correlation coefficient which describes how quickly the tip species lose shared ancestral signal as we proceed from a Brownian motion (no drift) to OU processes with more and more drift. (lu.se)
Boundaries1
- In Chapter III, I delimited species boundaries of the L. lanuginosus species group sampled across Central and Southern Europe (north and south of the Alps) by utilizing three DNA-based methods, ABGD, PTP, and BPP. (uni-goettingen.de)
Relationships2
- In distance-based computations a phylogenetic tree is created by analyzing relationships among the distance between species and the edge lengths of a corresponding tree. (wikipedia.org)
- Phylogenetic comparative methods commonly assume that the evolutionary relationships between the studied species are known. (lu.se)
Specimens1
- Voucher specimens of the observed species descriptions in order to discuss these categories are deposited at Butantan Institute. (bvsalud.org)
Isolation1
- The detection and isolation of Usutu virus from different bird species and mammalophilic mosquitos during the 2011 epizootic in Germany raised questions regarding the Usutu virus host range. (cdc.gov)
Publication1
- Arthropod Phylogeny with Special Reference to Insects , A Wiley-Interscience publication, 1-320. (wikimedia.org)
Distribution5
- Addition of these three species to Ansomys extends its distribution throughout the Holarctic in the mid-Miocene. (bioone.org)
- Consequently, species names are often used indiscriminately without standard identification criteria, leading to confusion in global species distribution patterns and impeding local precision weed control. (nature.com)
- https://doi.org/10.3897/zookeys.644.10827 AbstractWe undertook a comprehensive, critical review of literature concerning the distribution, conservation status, and taxonomy of species of mammals endemic to the Cerrado and the Caatinga, the two largest biomes of the South American Dry-Diagonal. (scite.ai)
- Recent species of this group are only found in South America and Australia, but the fossil record reveals a much broader geographical distribution in the Mesozoic. (biomedcentral.com)
- The BF are macroalgae, seaweed that usually do not grow to more than about 50 cm in length, but a few species can reach lengths of 2 m. [22] Most rhodophytes are marine with a worldwide distribution, and are often found at greater depths compared to other seaweeds. (wikipedia.org)
Investigate1
Observations1
- Based on these observations we suggest that gumfoots are basal in pholcid phylogeny. (bvsalud.org)
Mycobacterium2
- These can be done on a large scale, such as the tree of life, or on a smaller scale, such as showing all the species of Mycobacterium bacteria. (news-medical.net)
- For example, the relationship between Mycobacterium species tends to show pathogenic species sharing a close relationship with each other and non-pathogenic species clustering together distinctly from the pathogenic species. (news-medical.net)
Origin of Spec1
- In a sequel to the better-known On the Origin of Species , Darwin's The Descent of Man argued that humans, having descended from apelike creatures, were continuing to evolve and produce various races. (answersingenesis.org)
Identification of species2
Conservation1
- Secondly, we discovered that a substantial portion of the endemic mammalian faunas of the Caatinga and the Cerrado faces risks of extinction that are unrecognized in the highly influential Red List of Threatened Species published by the International Union for Conservation of Nature (IUCN). (scite.ai)
Fossil2
- I have done fieldwork with colleagues around the world and have described over 20 new species of fossil vertebrates. (lu.se)
- Especially amongst the lower orders we are lacking phylogenies, we might be studying fossil data where the DNA signal has degraded and in fact we are still discovering new species (even among the higher orders). (lu.se)
Lengths1
- We suggest that telomere lengths may have diverged even among closely avian related species, yet telomere dynamics are strongly linked to the pace of life. (authorea.com)
Habitats2
- Echinochloa species are distributed globally from tropical to temperate regions and across a wide range of habitats, including agricultural and non-agricultural fields. (nature.com)
- It is imperative to correct this situation, particularly considering that these species are associated to habitats that are experiencing fast transformation into areas for agriculture, at an unbearable cost for biodiversity. (scite.ai)
Belongs1
- The phylogeny shows that the new species belongs to the P. cryptomelas species group and is most closely related to P. muscosus and P. barrigai. (yachaytech.edu.ec)