Relevant bibliographies by topics / Ambystoma tigrinum

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Academic literature on the topic 'Ambystoma tigrinum'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Ambystoma tigrinum"

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Taylor, Alison S., and James P. Bogart. "Karyotypic analyses of four species of Ambystoma (Amphibia, Caudata) that have been implicated in the production of all-female hybrids." Genome 33, no. 6 (December 1, 1990): 837–44. http://dx.doi.org/10.1139/g90-126.

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Four salamander species of the genus Ambystoma hybridize in the Great Lakes region of eastern North America. The hybrids are mostly polyploid and virtually all-female. Basic chromosomal morphology and C-banding patterns of Ambystoma laterale, A. jeffersonianum, A. texanum, and A. tigrinum tigrinum were examined in an attempt to find some markers that would be useful to recognize genomic constitution of the hybrids. Several minor morphological differences were found among the karyotypes of the four species, but none were of sufficient magnitude to unambiguously assign genomic content in a hybrid. There was no evidence of sexually dimorphic bands in any of the species.Key words: chromosomes, Ambystoma, C-bands, hybridization, amphibia.
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De Ruyter, Martin L., and Daniel F. Stiffler. "Interrenal function in larval Ambystoma tigrinum." General and Comparative Endocrinology 62, no. 2 (May 1986): 298–305. http://dx.doi.org/10.1016/0016-6480(86)90120-6.

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Stiffler, Daniel F., Martin L. De Ruyter, Peter B. Hanson, and Marianne Marshall. "Interrenal function in larval Ambystoma tigrinum." General and Comparative Endocrinology 62, no. 2 (May 1986): 290–97. http://dx.doi.org/10.1016/0016-6480(86)90119-x.

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Greer, AL, JL Brunner, and JP Collins. "Spatial and temporal patterns of Ambystoma tigrinum virus (ATV) prevalence in tiger salamanders Ambystoma tigrinum nebulosum." Diseases of Aquatic Organisms 85 (May 27, 2009): 1–6. http://dx.doi.org/10.3354/dao02061.

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Lannoo, Michael J., Leslie Lowcock, and James P. Bogart. "Sibling cannibalism in noncannibal morph Ambystoma tigrinum larvae and its correlation with high growth rates and early metamorphosis." Canadian Journal of Zoology 67, no. 8 (August 1, 1989): 1911–14. http://dx.doi.org/10.1139/z89-273.

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We describe here, for the first time, the existence of an Ambystoma tigrinum tigrinum larval morph characterized by fast growth rates and early metamorphosis and triggered by cannibalism. This new morph does not have the anatomical specializations of true A. tigrinum cannibal morphs, i.e., enlarged vomerine teeth and a wider head described previously by several workers. Functionally, however, this new morph and true cannibal morphs achieve the same end; high growth rates and early metamorphosis may facilitate survival in individuals inhabiting temporary and unpredictable wetlands.
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Kundey, Shannon M. A., and Mitchell Phillips. "Tiger salamanders’ (Ambystoma tigrinum) use of features." Behavioural Processes 167 (October 2019): 103919. http://dx.doi.org/10.1016/j.beproc.2019.103919.

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Pedersen, Scott C. "Skull Growth in Cannibalistic Tiger Salamanders, Ambystoma tigrinum." Southwestern Naturalist 38, no. 4 (December 1993): 316. http://dx.doi.org/10.2307/3671609.

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Mech, S. G., A. Storfer, J. A. Ernst, M. W. Reudink, and S. C. Maloney. "Polymorphic microsatellite loci for tiger salamanders, Ambystoma tigrinum." Molecular Ecology Notes 3, no. 1 (December 18, 2002): 79–81. http://dx.doi.org/10.1046/j.1471-8286.2003.00356.x.

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Bogart, James P., Leslie A. Lowcock, Clifford W. Zeyl, and Barbara K. Mable. "Genome constitution and reproductive biology of hybrid salamanders, genus Ambystoma, on Kelleys Island in Lake Erie." Canadian Journal of Zoology 65, no. 9 (September 1, 1987): 2188–201. http://dx.doi.org/10.1139/z87-333.

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On Kelleys Island, Ohio, in Lake Erie, are found bisexual Ambystoma tigrinum and Ambystoma texanum as well as five different combinations of diploid and polyploid hybrid female salamanders. Genome composition and ploidy of salamanders from five breeding sites on the island were examined using starch gel electrophoresis, erythrocyte area measurements, and chromosome counts. All of the hybrids contained at least one Ambystoma laterale genome, yet pure individuals of this species were not encountered. Embryonic mortality was severe among eggs deposited by 42 hybrid females. The few resulting offspring, when compared electrophoretically with their mothers, showed no evidence of being the product of parthenogenesis. Recently described Ambystoma nothagenes Kraus is not a valid species as this trihybrid is demonstrated to be genetically heterogeneous and independently derived from diploid A. laterale × texanum hybrids.
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Baker, M. R. "Redescription of Megalobatrachonema (Chabaudgolvania) elongata (Baird, 1858) n. comb. (Nematoda: Kathlaniidae) parasitic in North American salamanders." Canadian Journal of Zoology 64, no. 7 (July 1, 1986): 1573–75. http://dx.doi.org/10.1139/z86-235.

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Megalobatrachonema (Chabaudgolvania) elongata (Baird, 1858) n. comb, is redescribed based on specimens from Ambystoma tigrinum, A. lacustris, Ambystoma sp., and Rhyacosideron altamirani (Ambystomatidae) from various localities in Mexico. The species is transferred to Megalobatrachonema from Falcaustra because the oesophagus lacks valves and the oesophageal bulb is reduced in size. Megalobatrachonema (C.) elongata may be differentiated from the only other species in the same subgenus, M. (C.) terdentatum (Linstow, 1890), from Triturus spp. (Salamandridae) of Europe, by differences in oesophageal and cephalic morphology, and the distribution of caudal papillae in males.
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Dissertations / Theses on the topic "Ambystoma tigrinum"

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Sammut, Bénédicte. "Caractérisation des gènes de classe I du complexe majeur d'histocompatibilité de deux amphibiens urodèles du genre Ambystoma, Ambystoma Mexicanum et Ambystoma Tigrinum." Dijon, 1997. http://www.theses.fr/1997DIJOS047.

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Le système immunitaire de l'axolotl pourrait presque être qualifie d'immunodéficient. En effet, les réponses immunitaires cellulaires et humorales sont très lentes et la mémoire immunitaire ne s'instaure qu'au cours des réactions cytotoxiques de rejet de greffe. Cette déficience pourrait avoir pour origine une particularité ou un dysfonctionnement dans la reconnaissance des peptides antigéniques par les lymphocytes T. Telle était l'hypothèse de départ de notre travail. La fonction de reconnaissance implique l'existence de molécules de classe I et de classe II du CMH. Ce travail de thèse a donc consisté en une étude des gènes et des molécules de classe I du CMH chez l'axolotl. Des gènes de classe I ont pu être caractérisés et leurs propriétés définissent en fait un modèle ne correspondant à aucun modèle connu jusqu'à présent chez les autres espèces étudiées. L'existence d'un tel modèle chez cet amphibien pose, non seulement le problème des relations fonctionnelles entre les caractéristiques des gènes de classe I et sa réponse immunitaire, mais également celui de l'évolution du CMH en général, chez les vertébrés. Les molécules de classe I de l'axolotl sont codées par des gènes dont les transcrits sont exprimés dans tous les tissus. Ces gènes sont non seulement nombreux mais de plus, ils sont polymorphes. De nombreux résidus sont variables, toutefois ceux dont la conservation est imposée par les contraintes fonctionnelles des molécules de classe I sont bien conservés chez les ambystomes. Des études de ségrégation des gènes de classe I, au sein de familles d'axolotls, ont mis en évidence l'existence de groupes de gènes de classe I et de classe II physiquement liés. Selon les critères établis chez la plupart des vertébrés supérieurs, les gènes de classe I de l'axolotl sont des gènes codant des molécules de classe I de type classique.
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Schock, Danna Michelle. "Ecological aspects of the newly identified viral pathogen Regina ranavirus (RRV) in tiger salamanders (Ambystoma tigrinum diaboli) in Saskatchewan, Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ45342.pdf.

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Wright, Kathryn M. "Loading mechanics in femora of tiger salamanders (Ambystoma tigrinum) and tegu lizards (Tupinambis merianae) implications for the evolution of limb bone design /." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1220474405/.

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Church, Don Rasmus. "Population ecology of Ambystoma tigrinum (Caudata, Ambystomatidae) and occupancy dynamics in an Appalachian pond-breeding amphibian assemblage /." 2004. http://wwwlib.umi.com/dissertations/fullcit/3118400.

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"Using Tiger Salamanders (Ambystoma tigrinum nebulosum) to Explore the History of the Fungus Batrachochytrium dendrobatidis as an Emerging Infectious Pathogen in Arizona." Master's thesis, 2019. http://hdl.handle.net/2286/R.I.53947.

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abstract: Emerging infectious diseases (EIDs) in vulnerable populations are a proposed cause of reduced global biodiversity due to local and regional extinctions. Chytridiomycosis, a fungal disease caused by Batrachochytrium dendrobatidis (Bd), is affecting amphibian populations worldwide. Chapter 1 of this thesis reports using lab-raised larval tiger salamanders (Ambystoma tigrinum nebulosum), collected as eggs, to test if Bd infects them. Bd infects metamorphosed tiger salamanders; however, it is currently unknown if larvae can be infected by Bd. Adult frogs tend to host Bd on ventral surfaces and hind legs while tadpoles host Bd in keratinized mouthparts. No research has considered differences in infection between life stages of salamanders. It was hypothesized that Bd can colonize larvae in the same manner as metamorphosed animals. Larval salamanders were inoculated to test if Bd concentrations differ among body regions in larvae compared to metamorphosed salamanders. Larvae can carry Bd with the concentration of Bd varying between body region. Chapter 2 report using native tiger salamanders (Ambystoma tigrinum nebulosum), from northern Arizona and Bd as a study system to test if Bd is native or introduced to Arizona. It was hypothesized that Bd is not endemic to Arizona, but is introduced. There are multiple hypotheses regarding potential routes Bd may have traveled through Arizona and into Mexico. These hypotheses were tested using the Kaibab Plateau in Coconino County, Arizona, as a study site. The plateau is isolated from surrounding areas by the Grand Canyon to the south and the Vermillion Cliffs to the north serving as major biogeographical barriers. It is hypothesized that tiger salamanders are not dispersing into or out of the Kaibab Plateau due to geological restrictions. Bd, therefore, should not be present on salamanders on the Kaibab Plateau due to geological restriction. Tiger salamanders in stock tanks located on the Kaibab as well as preserved museum specimens housed in the Arizona State University Natural History Collection were sampled. The results indicate that Bd occurs at low levels on Kaibab Plateau tiger salamanders.
Dissertation/Thesis
Masters Thesis Biology 2019
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Book chapters on the topic "Ambystoma tigrinum"

1

West-Eberhard, Mary Jane. "Recurrence." In Developmental Plasticity and Evolution. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195122343.003.0025.

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Recurrent phenotypes are similar or identical phenotypic traits with discontinuous phylogenetic distributions, which owe their similarity to common ancestry (homology). A recurrent trait may be found as a fixed trait, as an alternative phenotype (one morph of a polymorphism or polyphenism), or as a low-frequency developmental anomaly. Recurrence, then, is the phyletically disjunct appearance of homologous traits. An example is the repeated evolution of larviform (paedomorphic) adults in salamanders. The larviform morph is characterized by retention in the reproductive stage of homologous larval traits such as external gills and a tail. This has involved changes at various points in the hormonal mechanism that controls metamorphosis in all salamanders (chapter 25), perhaps under selection for accelerated reproduction in stressful environments (Whiteman, 1994). As is characteristic of recurrent phenotypes, the occurrence of the reproductive larviform adult morph varies in frequency from one species of salamander to another: it can be absent, an anomaly (<5% of population), a common (>5%) alternative to complete metamorphosis, or a predominant or fixed form. Even within the genus Ambystoma, the unmetamorphosed larviform adult occurs as an occasional anomaly in some populations, as a facultatively expressed alternative phenotype in others (e.g., A. tigrinum) and as a fixed form in others (e.g., A. dumerilii; Collins et al., 1993). All atavisms and reversions (see chapter 12) are examples of recurrence. Discontinuity of expression is expected in combinatorial evolution, where traits are turned off and on and expressed in different combinations due to regulatory change. The growing evidence of homoplasy in phylogenetic studies is important evidence that combinatorial evolution occurs and that homoplasy itself is worthy of study, not just a source of “noise” in cladistics (Wake, 1996a). Homoplasy has been defined as “possession by two or more taxa of a character derived not from the nearest common ancestor but through convergence, parallelism, or reversal”. More simply, homoplasy is the recurrence of similarity in evolution (Sanderson and Hufford, 1996).
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Journal articles
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