Although there are more than 10,000 reptile species, and reptiles have historically contributed to our understanding of biology, genetics research into class Reptilia has lagged compared with other animals. Here, we summarize recent progress in genetics of coloration in reptiles, with a focus on the leopard gecko, . We highlight genetic approaches that have been used to examine variation in color and pattern formation in this species as well as to provide insights into mechanisms underlying skin cancer. We propose that their long breeding history in captivity makes leopard geckos one of the most promising emerging reptilian models for genetic studies. More broadly, technological advances in genetics, genomics, and gene editing may herald a golden era for studies of reptile biology.
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http://dx.doi.org/10.1152/physiolgenomics.00015.2023 | DOI Listing |
Proc Biol Sci
December 2024
Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY 14627, USA.
A wide range of animals, including a number of bird, fish, mammal and reptile species, show sex differences in cognitive tests. Hardly anything is known, however, about whether and how sex-specific non-cognitive factors (e.g.
View Article and Find Full Text PDFAbstractHormones can induce trait development in one species yet have no effect on the same trait in a closely related species, but the mechanisms underlying these differences are unclear. Here, we compare two closely related lizard species to explore the cellular mechanisms associated with the evolutionary loss of hormonally mediated ventral coloration. The eastern fence lizard () has sexually dimorphic blue and black ventral coloration that develops when maturational increases in androgens induce melanin synthesis in males.
View Article and Find Full Text PDFZootaxa
May 2024
Herpetological Foundation of Sri Lanka; 31/5; Alwis Town; Hendala; Wattala; Sri Lanka.
Two new species of the uropeltid snake genus Rhinophis Hemprich, 1820 are described from Sri Lanka. Rhinophis martin sp. nov.
View Article and Find Full Text PDFAn integrative taxonomic analysis of the gekkonid lizard genus Hemiphyllodactylus was conducted using molecular, morphological, color pattern, and ecological data on a clade of 19 species, including two new species from karst landscapes in northern Laos and Vietnam. Hemiphyllodactylus houaphanensis sp. nov.
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