Document Type
Article
Publication Date
1-2021
Publisher
MDPI
Source Publication
Genes
Source ISSN
2073-4425
Abstract
Lizards and snakes (squamates) are known for their varied sex determining systems, and gecko lizards are especially diverse, having evolved sex chromosomes independently multiple times. While sex chromosomes frequently turnover among gecko genera, intrageneric turnovers are known only from Gekko and Hemidactylus. Here, we used RADseq to identify sex-specific markers in two species of Burmese bent-toed geckos. We uncovered XX/XY sex chromosomes in Cyrtodactylus chaunghanakwaensis and ZZ/ZW sex chromosomes in Cyrtodactylus pharbaungensis. This is the third instance of intrageneric turnover of sex chromosomes in geckos. Additionally, Cyrtodactylus are closely related to another genus with intrageneric turnover, Hemidactylus. Together, these data suggest that sex chromosome turnover may be common in this clade, setting them apart as exceptionally diverse in a group already known for diverse sex determination systems.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
Recommended Citation
Keating, Shannon E.; Blumer, Madison; Grismer, L. Lee; Lin, Aung; Nielsen, Stuart V.; Thura, Myint Kyaw; Wood, Perry L. Jr.; Quah, Evan S.H.; and Gamble, Tony, "Sex Chromosome Turnover in Bent-Toed Geckos (Cyrtodactylus)" (2021). Biological Sciences Faculty Research and Publications. 848.
https://epublications.marquette.edu/bio_fac/848
Comments
Published version. Genes, Vol. 12, No. 1 (January 2021): 116. DOI. © 2021 MDPI. Used with permission.