urodela

Summary

Summary: An order of the Amphibia class which includes salamanders and newts. They are characterized by usually having slim bodies and tails, four limbs of about equal size (except in Sirenidae), and a reduction in skull bones.

Top Publications

  1. Martínez Solano I, Jockusch E, Wake D. Extreme population subdivision throughout a continuous range: phylogeography of Batrachoseps attenuatus (Caudata: Plethodontidae) in western North America. Mol Ecol. 2007;16:4335-55 pubmed
  2. Matsui M, Tominaga A, Liu W, Tanaka Ueno T. Reduced genetic variation in the Japanese giant salamander, Andrias japonicus (Amphibia: Caudata). Mol Phylogenet Evol. 2008;49:318-26 pubmed publisher
    ..The species is thus susceptible to extinction by potential environmental fluctuations, and requires extensive conservation measures...
  3. Adams D. Organization of Plethodon salamander communities: guild-based community assembly. Ecology. 2007;88:1292-9 pubmed
  4. Bogart J, Bi K, Fu J, Noble D, Niedzwiecki J. Unisexual salamanders (genus Ambystoma) present a new reproductive mode for eukaryotes. Genome. 2007;50:119-36 pubmed
    ..The reproductive mode used by unisexual Ambystoma appears to be unique; we suggest kleptogenesis as a new unisexual reproductive mode that is used by these salamanders...
  5. Chatfield M, Moler P, Richards Zawacki C. The amphibian chytrid fungus, Batrachochytrium dendrobatidis, in fully aquatic salamanders from Southeastern North America. PLoS ONE. 2012;7:e44821 pubmed publisher
  6. Dudaniec R, Storfer A, Spear S, Richardson J. New microsatellite markers for examining genetic variation in peripheral and core populations of the Coastal Giant Salamander (Dicamptodon tenebrosus). PLoS ONE. 2010;5:e14333 pubmed publisher
    ..These new microsatellite loci will be a valuable addition to existing markers for detailed landscape and population genetic analyses of D. tenebrosus across its range...
  7. Niemiller M, Fitzpatrick B, Miller B. Recent divergence with gene flow in Tennessee cave salamanders (Plethodontidae: Gyrinophilus) inferred from gene genealogies. Mol Ecol. 2008;17:2258-75 pubmed publisher
    ..These results strongly favour the hypothesis that Tennessee cave salamanders originated from spring salamanders via divergence with gene flow...
  8. Campbell Grant E, Nichols J, Lowe W, Fagan W. Use of multiple dispersal pathways facilitates amphibian persistence in stream networks. Proc Natl Acad Sci U S A. 2010;107:6936-40 pubmed publisher
    ..Our results link the movement behavior of stream salamanders to network topology, and they underscore the importance of identifying and protecting critical dispersal pathways when addressing region-wide population declines...
  9. Kozak K, Mendyk R, Wiens J. Can parallel diversification occur in sympatry? Repeated patterns of body-size evolution in coexisting clades of North American salamanders. Evolution. 2009;63:1769-84 pubmed publisher
    ..Although parallel diversification of sympatric clades may seem counterintuitive, we discuss several ecological and evolutionary factors that may allow the phenomenon to occur...

More Information

Publications62

  1. Yotsu Yamashita M, Mebs D, Kwet A, Schneider M. Tetrodotoxin and its analogue 6-epitetrodotoxin in newts (Triturus spp.; Urodela, Salamandridae) from southern Germany. Toxicon. 2007;50:306-9 pubmed
    ..Both toxins were detected in only 15 specimens of the four species. The toxins levels varied considerably among individuals (TTX: 0.11-9.0microg/g; 6-epiTTX: 0.05-17.0microg/g). 6-epiTTX was found to be the major component...
  2. Rovito S, Parra Olea G, Vásquez Almazán C, Papenfuss T, Wake D. Dramatic declines in neotropical salamander populations are an important part of the global amphibian crisis. Proc Natl Acad Sci U S A. 2009;106:3231-6 pubmed publisher
    ..Our results highlight the urgent need to document and understand Neotropical salamander declines as part of the larger effort to conserve global amphibian diversity...
  3. Anthony C, Venesky M, Hickerson C. Ecological separation in a polymorphic terrestrial salamander. J Anim Ecol. 2008;77:646-53 pubmed publisher
    ..6. We conclude that the two colour morphs exhibit some degree of ecological separation and tend to mate assortatively, but are unlikely to be undergoing divergence given the observed frequency of intermorph pairings...
  4. Veith M, Lipscher E, Oz M, Kiefer A, Baran I, Polymeni R, et al. Cracking the nut: geographical adjacency of sister taxa supports vicariance in a polytomic salamander clade in the absence of node support. Mol Phylogenet Evol. 2008;47:916-31 pubmed publisher
  5. Gaertner J, Forstner M, O Donnell L, Hahn D. Detection of Batrachochytrium dendrobatidis in endemic salamander species from central Texas. Ecohealth. 2009;6:20-6 pubmed publisher
    ..These confirmations were obtained from nonconsumptive tail clippings which confirms the applicability of historically collected samples from other studies in the examination of the fungus across time...
  6. Vieites D, Min M, Wake D. Rapid diversification and dispersal during periods of global warming by plethodontid salamanders. Proc Natl Acad Sci U S A. 2007;104:19903-7 pubmed
  7. Tonione M, Johnson J, Routman E. Microsatellite analysis supports mitochondrial phylogeography of the hellbender (Cryptobranchus alleganiensis). Genetica. 2011;139:209-19 pubmed publisher
    ..We suggest that the eight independent groups identified in our study should be managed as such, rather than basing conservation decisions on the two named subspecies of hellbender...
  8. Fisher Reid M, Wiens J. What are the consequences of combining nuclear and mitochondrial data for phylogenetic analysis? Lessons from Plethodon salamanders and 13 other vertebrate clades. BMC Evol Biol. 2011;11:300 pubmed publisher
  9. Adams D, Nistri A. Ontogenetic convergence and evolution of foot morphology in European cave salamanders (Family: Plethodontidae). BMC Evol Biol. 2010;10:216 pubmed publisher
    ..For many traits, the relative importance of selective and developmental components remains understudied...
  10. Vazquez V, Rothermel B, Pessier A. Experimental infection of North American plethodontid salamanders with the fungus Batrachochytrium dendrobatidis. Dis Aquat Organ. 2009;84:1-7 pubmed publisher
    ..However, some animals may have survived with or cleared the infection. Additional studies are required to determine whether chytridiomycosis is a significant factor in declines of plethodontid salamanders...
  11. Harris R, Lauer A, Simon M, Banning J, Alford R. Addition of antifungal skin bacteria to salamanders ameliorates the effects of chytridiomycosis. Dis Aquat Organ. 2009;83:11-6 pubmed publisher
    ..Our results also suggest a mechanism for the association of climate change and the likelihood of chytridiomycosis outbreaks via the effects of the former on antifungal bacterial communities...
  12. Liebgold E, Brodie E, Cabe P. Female philopatry and male-biased dispersal in a direct-developing salamander, Plethodon cinereus. Mol Ecol. 2011;20:249-57 pubmed publisher
    ..We conclude that, in this population of a direct-developing amphibian, females are philopatric and dispersal is male-biased, consistent with the local mate competition hypothesis...
  13. Steele C, Baumsteiger J, Storfer A. Influence of life-history variation on the genetic structure of two sympatric salamander taxa. Mol Ecol. 2009;18:1629-39 pubmed publisher
    ..tenebrosus at the scale of the study. These results provide a case study of the link between life-history variation and population genetic patterns while controlling for phylogeny and environmental variation...
  14. Tominaga A, Matsui M. Taxonomic status of a salamander species allied to Hynobius naevius and a reevaluation of Hynobius naevius yatsui (Amphibia, Caudata). Zoolog Sci. 2008;25:107-14 pubmed publisher
    ..n. yatsui is elevated to full species rank as H. yatsui. To avoid taxonomic confusion, we designated one male among the syntypes as the lectotype and redescribed the species...
  15. Brucker R, Baylor C, Walters R, Lauer A, Harris R, Minbiole K. The identification of 2,4-diacetylphloroglucinol as an antifungal metabolite produced by cutaneous bacteria of the salamander Plethodon cinereus. J Chem Ecol. 2008;34:39-43 pubmed
    ..73 microM, comparable to crude extract concentrations. This study is the first to show that an epibiotic bacterium on an amphibian species produces a chemical that inhibits pathogenic fungi...
  16. Rissler L, Apodaca J. Adding more ecology into species delimitation: ecological niche models and phylogeography help define cryptic species in the black salamander (Aneides flavipunctatus). Syst Biol. 2007;56:924-42 pubmed
    ..Our work demonstrates the ease and utility of using spatial analyses of environmental data and phylogenetics in species delimitation, especially for groups displaying fine-scaled endemism and cryptic species...
  17. Brucker R, Harris R, Schwantes C, Gallaher T, Flaherty D, Lam B, et al. Amphibian chemical defense: antifungal metabolites of the microsymbiont Janthinobacterium lividum on the salamander Plethodon cinereus. J Chem Ecol. 2008;34:1422-9 pubmed publisher
    ..Exploitation of this biological process may provide long-term resistance to B. dendrobatidis for vulnerable amphibians and serve as a model for managing future emerging diseases in wildlife populations...
  18. Solís M, Liu C, Nam P, Niyogi D, Bandeff J, Huang Y. Occurrence of organic chemicals in two rivers inhabited by Ozark hellbenders (Cryptobranchus alleganiensis bishopi). Arch Environ Contam Toxicol. 2007;53:426-34 pubmed
    ..Our study establishes the basis to examine the specific effects of the detected concentrations, alone and in combination, on the Ozark hellbenders...
  19. Zheng Y, Peng R, Kuro o M, Zeng X. Exploring patterns and extent of bias in estimating divergence time from mitochondrial DNA sequence data in a particular lineage: a case study of salamanders (order Caudata). Mol Biol Evol. 2011;28:2521-35 pubmed publisher
    ..In other groups, similar evaluation should be performed to facilitate the choice of markers for molecular dating and making inferences from the results...
  20. Beamer D, Lamb T. Dusky salamanders (Desmognathus, Plethodontidae) from the Coastal Plain: multiple independent lineages and their bearing on the molecular phylogeny of the genus. Mol Phylogenet Evol. 2008;47:143-53 pubmed publisher
    ..Desmognathus has apparently experienced a complex biogeographic history in this physiographic region, one involving multiple invasions and several ecological transitions from lotic to lentic habitats...
  21. Link W, Yoshizaki J, Bailey L, Pollock K. Uncovering a latent multinomial: analysis of mark-recapture data with misidentification. Biometrics. 2010;66:178-85 pubmed publisher
    ..We illustrate the approach using two data sets with individual misidentification, one simulated, the other summarizing recapture data for salamanders based on natural marks...
  22. Lowe W, McPeek M, Likens G, Cosentino B. Linking movement behaviour to dispersal and divergence in plethodontid salamanders. Mol Ecol. 2008;17:4459-69 pubmed publisher
  23. Bonett R, Chippindale P, Moler P, Van Devender R, Wake D. Evolution of gigantism in amphiumid salamanders. PLoS ONE. 2009;4:e5615 pubmed publisher
    ..means and A. tridactylum. These patterns are concordant with differences in habitat breadth and range size among lineages, and have implications for reproductive isolation and diversification of amphiumid salamanders. ..
  24. Pereira R, Wake D. Genetic leakage after adaptive and nonadaptive divergence in the Ensatina eschscholtzii ring species. Evolution. 2009;63:2288-301 pubmed publisher
    ..Diversification and consequent genetic interactions in Ensatina reveal a continuum between populations, ecological races, and species, where polytypic traits and high genetic differentiation are maintained without reproductive isolation...
  25. Mueller R, Gregory T, Gregory S, Hsieh A, Boore J. Genome size, cell size, and the evolution of enucleated erythrocytes in attenuate salamanders. Zoology (Jena). 2008;111:218-30 pubmed publisher
  26. Smith J, Voss S. Amphibian sex determination: segregation and linkage analysis using members of the tiger salamander species complex (Ambystoma mexicanum and A. t. tigrinum). Heredity (Edinb). 2009;102:542-8 pubmed publisher
    ..Localization of ambysex sets the stage for gene identification and provides important tools for studying the effect of sex in laboratory and natural populations of this model amphibian system...
  27. Pyron R, Wiens J. A large-scale phylogeny of Amphibia including over 2800 species, and a revised classification of extant frogs, salamanders, and caecilians. Mol Phylogenet Evol. 2011;61:543-83 pubmed publisher
  28. Seifert A, Kiama S, Seifert M, Goheen J, Palmer T, Maden M. Skin shedding and tissue regeneration in African spiny mice (Acomys). Nature. 2012;489:561-5 pubmed publisher
    ..As re-emergent interest in regenerative medicine seeks to isolate molecular pathways controlling tissue regeneration in mammals, Acomys may prove useful in identifying mechanisms to promote regeneration in lieu of fibrosis and scarring...
  29. Lauer A, Simon M, Banning J, Lam B, Harris R. Diversity of cutaneous bacteria with antifungal activity isolated from female four-toed salamanders. ISME J. 2008;2:145-57 pubmed
    ..The resident cutaneous antifungal bacteria may play an important role in amphibians' innate defense against pathogens, including the lethal chytrid fungus Batrachochytrium dendrobatidis...
  30. Chong R, Mueller R. Low metabolic rates in salamanders are correlated with weak selective constraints on mitochondrial genes. Evolution. 2013;67:894-9 pubmed publisher
    ..Together, these results suggest that different aspects of mitochondrial genome evolution (i.e., nucleotide substitution, accumulation of noncoding sequences) are differently affected by metabolic variation across tetrapod lineages...
  31. Schwartz R, Mueller R. Branch length estimation and divergence dating: estimates of error in Bayesian and maximum likelihood frameworks. BMC Evol Biol. 2010;10:5 pubmed publisher
    ..We then reanalyzed an empirical dataset for plethodontid salamanders to determine how inaccurate branch length estimation can affect estimates of divergence dates...
  32. Bartoletti T, Babai N, Thoreson W. Vesicle pool size at the salamander cone ribbon synapse. J Neurophysiol. 2010;103:419-23 pubmed publisher
    ..EPSCs evoked by lengthy depolarization suggest a reserve pool of approximately 90 vesicles per ribbon, similar to the number of additional docking sites further up the ribbon...
  33. Becker M, Brucker R, Schwantes C, Harris R, Minbiole K. The bacterially produced metabolite violacein is associated with survival of amphibians infected with a lethal fungus. Appl Environ Microbiol. 2009;75:6635-8 pubmed publisher
    ..cinereus and that adding J. lividum is effective for protecting individuals that lack violacein-producing skin bacteria...
  34. Bernardo J, Ossola R, Spotila J, Crandall K. Interspecies physiological variation as a tool for cross-species assessments of global warming-induced endangerment: validation of an intrinsic determinant of macroecological and phylogeographic structure. Biol Lett. 2007;3:695-8 pubmed
  35. Bodinof C, Briggler J, Duncan M, Beringer J, Millspaugh J. Historic occurrence of the amphibian chytrid fungus Batrachochytrium dendrobatidis in hellbender Cryptobranchus alleganiensis populations from Missouri. Dis Aquat Organ. 2011;96:1-7 pubmed publisher
    ..Our findings are consistent with the hypothesis that Bd is a non-endemic pathogen in North America that was introduced in the second half of the twentieth century...
  36. Vieites D, Román S, Wake M, Wake D. A multigenic perspective on phylogenetic relationships in the largest family of salamanders, the Plethodontidae. Mol Phylogenet Evol. 2011;59:623-35 pubmed publisher
    ..Hypothesis testing of alternative topologies supports these conclusions. On the basis of these results we propose a conservative taxonomy for Plethodontidae...
  37. Collyer M, Adams D. Analysis of two-state multivariate phenotypic change in ecological studies. Ecology. 2007;88:683-92 pubmed
    ..Finally, we consider how our method may be extended to more complex data...
  38. Shepard D, Burbrink F. Phylogeographic and demographic effects of Pleistocene climatic fluctuations in a montane salamander, Plethodon fourchensis. Mol Ecol. 2009;18:2243-62 pubmed publisher
    ..fourchensis with its parapatric, sister taxon, P. ouachitae, also emphasizes how responses can vary substantially even among closely related, similarly distributed taxa...
  39. Sessions S. Evolutionary cytogenetics in salamanders. Chromosome Res. 2008;16:183-201 pubmed publisher
    Salamanders (Amphibia: Caudata/Urodela) have been the subject of numerous cytogenetic studies, and data on karyotypes and genome sizes are available for most groups...
  40. Greer A, Brunner J, Collins J. Spatial and temporal patterns of Ambystoma tigrinum virus (ATV) prevalence in tiger salamanders Ambystoma tigrinum nebulosum. Dis Aquat Organ. 2009;85:1-6 pubmed publisher
    ..There was no statistically significant spatial pattern in prevalence across the landscape. Our findings highlight the need to explore new hypotheses regarding the population level impact of these pathogens on amphibian communities...
  41. Chinnadurai S, Cooper D, Dombrowski D, Poore M, Levy M. Experimental infection of native north Carolina salamanders with Batrachochytrium dendrobatidis. J Wildl Dis. 2009;45:631-6 pubmed
    ..This study also indicates that PCR is a very sensitive tool for detecting B. dendrobatidis infection, even in animals that are clinically unaffected, thus positive results should be interpreted with caution...
  42. Becker M, Harris R. Cutaneous bacteria of the redback salamander prevent morbidity associated with a lethal disease. PLoS ONE. 2010;5:e10957 pubmed publisher
    ..Therefore, symbiotic microbes associated with this species appear to be an important component of its innate skin defenses. ..
  43. Kumar A, Nevill G, Brockes J, Forge A. A comparative study of gland cells implicated in the nerve dependence of salamander limb regeneration. J Anat. 2010;217:16-25 pubmed publisher
    ..These findings serve to unify the nerve dependence of limb regeneration...
  44. Wiens J. Global patterns of diversification and species richness in amphibians. Am Nat. 2007;170 Suppl 2:S86-106 pubmed
    ..These results may shed light on both the evolutionary causes of the latitudinal diversity gradient and the dramatic but poorly explained disparities in the diversity of living amphibian clades...
  45. Geng Y, Wang K, Zhou Z, Li C, Wang J, He M, et al. First report of a ranavirus associated with morbidity and mortality in farmed Chinese giant salamanders (Andrias davidianus). J Comp Pathol. 2011;145:95-102 pubmed publisher
    ..These salamanders all died within 6-8 days. This is the first report of ranavirus infection associated with mass mortality in Chinese giant salamanders...
  46. Jancovich J, Bremont M, Touchman J, Jacobs B. Evidence for multiple recent host species shifts among the Ranaviruses (family Iridoviridae). J Virol. 2010;84:2636-47 pubmed publisher
  47. Wiens J, Hoverman J. Digit reduction, body size, and paedomorphosis in salamanders. Evol Dev. 2008;10:449-63 pubmed publisher
    ..We also show (possibly for the first time) a significant association between paedomorphosis and increased body size, rather than the expected association with reduced body size...
  48. Wang J, Estevez M, Cornwall M, Kefalov V. Intra-retinal visual cycle required for rapid and complete cone dark adaptation. Nat Neurosci. 2009;12:295-302 pubmed publisher
    ..Finally, we also observed cone dark adaptation in the isolated mouse retina...
  49. Zhang P, Wake D. Higher-level salamander relationships and divergence dates inferred from complete mitochondrial genomes. Mol Phylogenet Evol. 2009;53:492-508 pubmed publisher
    ..A likelihood-based ancestral area reconstruction analysis favors a distribution throughout Laurasia in the Early Jurassic for the common ancestor of all living salamanders...
  50. Smith J, Putta S, Zhu W, Pao G, Verma I, Hunter T, et al. Genic regions of a large salamander genome contain long introns and novel genes. BMC Genomics. 2009;10:19 pubmed publisher
    ..Sixteen BAC clones from the Mexican axolotl (Ambystoma mexicanum: c-value = 32 x 10(9) bp) were isolated and sequenced to characterize the structure of genic regions...
  51. Kuchta S, Parks D, Wake D. Pronounced phylogeographic structure on a small spatial scale: geomorphological evolution and lineage history in the salamander ring species Ensatina eschscholtzii in central coastal California. Mol Phylogenet Evol. 2009;50:240-55 pubmed publisher
    ..We conclude that such striking levels of phylogeographic structure reflect interspersed episodes of spatial fragmentation, in part driven by the complex geomorphological evolution of the California Coast Range system...
  52. Cunningham H, Rissler L, Apodaca J. Competition at the range boundary in the slimy salamander: using reciprocal transplants for studies on the role of biotic interactions in spatial distributions. J Anim Ecol. 2009;78:52-62 pubmed publisher
    ..6. Furthermore, adult salamanders from range-edge populations and core populations (from the interior of the range) differed in their respective abilities to compete under the abiotic conditions in the contact zone...
  53. Kuchta S, Krakauer A, Sinervo B. Why does the yellow-eyed Ensatina have yellow eyes? Batesian mimicry of Pacific newts (genus Taricha) by the salamander Ensatina eschscholtzii xanthoptica. Evolution. 2008;62:984-90 pubmed publisher
    ..These results support the mimicry hypothesis, and we suggest that E. e. xanthoptica is likely a Batesian mimic, rather a Müllerian or quasi-Batesian mimic, of Pacific newts...