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1,047 results for “Salamanders”
Data from: Rates of morphological evolution are correlated with species richness in salamanders
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Reconstructing historical and contemporary disease dynamics: A case study using the California slender salamander
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Parallel habitat acclimatization is realized by the expression of different genes in two closely related salamander species (genus Salamandra)
GEO Series GSE101885. Salamandra salamandra; Salamandra infraimmaculata. 78 samples. Type: Expression profiling by array.
Tig1 regulates proximo-distal identity during salamander limb regeneration
GEO Series GSE184948. Ambystoma mexicanum. 18 samples. Type: Expression profiling by high throughput sequencing.
The role of plasticity and adaptation on in the incipient speciation of a fire salamander population
GEO Series GSE139590. Salamandra salamandra. 72 samples. Type: Expression profiling by array.
Morphological and transcriptomic analyses reveal three discrete primary stages of postembryonic development in the common fire salamander, Salamandra salamandra
GEO Series GSE110893. Salamandra salamandra. 23 samples. Type: Expression profiling by array.
Fire salamander gene expression data from field samples in Germany
GEO Series GSE100819. Salamandra salamandra. 40 samples. Type: Expression profiling by array.
Figure 4 from: Hernandez A, Escoriza D (2019) A new subspecies of African fire salamander Salamandra algira (Urodela, Salamandridae) from the Middle Atlas Mountains, Morocco. ZooKeys 893: 143-158. https://doi.org/10.3897/zookeys.893.46649
Figure 4 Larva of Salamandra algira atlantica ssp. nov. Photograph by Daniel Escoriza.
Data from: Morphological polymorphism associated with alternative reproductive tactics in a plethodontid salamander
Understanding polymorphism is a central problem in evolution and ecology, and alternative reproductive tactics (ARTs) provide compelling examples for studying the origin and maintenance of behavioral and morphological variation. Much attention has been given to examples where "parasitic" individuals exploit the reproductive investment of "bourgeois" individuals, but some ARTs are instead maintained by environmental heterogeneity, with alternative tactics exhibiting differential fitness in discontinuous reproductive niches. We use genomic, behavioral, karyological, and field observational data to demonstrate one such example in plethodontid salamanders. These ARTs ("searching" and "guarding" males) are associated with different reproductive niches and, unlike most other examples in amphibians, demonstrate substantial morphological differences and inflexibility within a reproductive season. Evidence suggests the existence of these ARTs within three putative species in the two-lined salamander (Eurycea bislineata) species complex, with other members of this clade fixed for one of the two tactics. We highlight directions for future research in this system, including the relationship between these ARTs and parental care.
Data from: Weighing density and kinship: aggressive behavior and time allocation in fire salamander (Salamandra infraimmaculata)
Kin-biased behavior (that is responding differentially to kin and non-kin) is thought to be adaptive in many social interactions. One example of this kin bias is behaving less aggressively toward a relative than a non-relative, a behavior which yields inclusive fitness benefits. However, data are lacking about the ability of animals to weigh their preference for kinship and the density of conspecifics simultaneously and to respond accordingly. Fire salamanders (Salamandra infraimmaculata) larviposit in high densities in ponds. Thus, larvae of different females confront competition and predation by other larvae. We studied whether larvae prefer their kin over particular density or vice versa. We experimentally used a transparent glass aquarium with inner chambers to test the responses of a focal larva toward its siblings and non-siblings. Specifically, we quantified the time a focal larva spent near its siblings or non-siblings, presented in varying densities, and the aggression level it demonstrated. We found that focal larvae spent more time near non-siblings if non-sibling and sibling groups were of equal density. The focal larvae were also more aggressive toward non-siblings. The results may be explained by the cannibalistic nature of these larvae: high density may provide more opportunities for food, especially when non-siblings are present. Further explanations for these findings may include other advantages of staying in a larger group and/or the stronger olfactory and visual stimulation offered by groups compared to a single individual. These findings suggest that larvae make differential responses toward conspecifics depending simultaneously on the level of relatedness and the density of the group. Such responses have important implications for social - aggregation decisions and may especially affect the fitness of cannibalistic species.
Figure 75 in The Palaeozoic Ancestry of Salamanders, Frogs and Caecilians
Figure 75. Nested synapomorphies leading from the oldest known microsaur to crown-group caecilians.
Fire salamander gene expression data from field samples in Israel
GEO Series GSE101884. Salamandra infraimmaculata. 38 samples. Type: Expression profiling by array.
Data from: Mountaintop removal mining alters stream salamander population dynamics
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Data from: Weighing density and kinship: aggressive behavior and time allocation in fire salamander (Salamandra infraimmaculata)
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Data from: Morphological polymorphism associated with alternative reproductive tactics in a plethodontid salamander
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Single cell profiling of salamander heart under homeostasis and after cryoinjury.
GEO Series GSE180914. Pleurodeles waltl. 3067 samples. Type: Expression profiling by high throughput sequencing.
Cell type profiling in salamanders identifies innovations in vertebrate forebrain evolution
GEO Series GSE198367. Pleurodeles waltl. 14 samples. Type: Expression profiling by high throughput sequencing.
Cell type profiling in salamanders identifies innovations in vertebrate forebrain evolution II
GEO Series GSE197722. Pleurodeles waltl. 4 samples. Type: Expression profiling by high throughput sequencing.
Cell type profiling in salamanders identifies innovations in vertebrate forebrain evolution IV
GEO Series GSE197807. Pleurodeles waltl. 6 samples. Type: Expression profiling by high throughput sequencing.
Comparative Transcriptomics of Limb Regeneration in Ambystoma salamanders
GEO Series GSE116788. Ambystoma andersoni; Ambystoma maculatum; Ambystoma mexicanum. 24 samples. Type: Expression profiling by array; Expression profiling by high throughput sequencing.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.