Cytogenetics of the skinks (Reptilia, Scincidae) from Thailand; IV: newly investigated karyotypic features of Lygosoma quadrupes and Scincella melanosticta. Issue 1 (2nd January 2018)

• Record Type: Journal Article
• Authors: Patawang, Isara; Chuaynkern, Yodchaiy; Supanuam, Praween; Maneechot, Nuntiya; Pinthong, Krit; Tanomtong, Alongklod
• Is Part Of: Caryologia. Volume 71:Issue 1(2018)
• Page Start: 29
• Page End: 34
• Publication Date: 2018-01-02
• Subjects: Lygosoma quadrupes -- Scincella melanosticta -- skink -- karyotype -- chromosome; Cell nuclei -- Periodicals; Cytogenetics -- Periodicals; Cytology -- Periodicals; 571.66
• DOI: 10.1080/00087114.2017.1402249
• Languages: English
• ISSNs: 0008-7114

Abstract

Abstract: This study analyzed the karyotype of Lygosoma quadrupes and Scincella melanosticta from northeastern Thailand. Mitotic chromosomes were prepared directly from intestinal epithelial cells of three L. quadrupes and nine S. melanosticta . The chromosomes were stained by conventional staining technique. The karyotype was determined for each species based on at least 20 well-spread cells. Both L. quadrupes and S. melanosticta showed the same diploid number of 2 n = 30, but differed in identical chromosome morphology. No sex chromosome heteromorphisms were evident in L. quadrupes ; in contrast, S. melanosticta showed the ZZ/ZW sex determination system. The respective karyotype formulae of L. quadrupes and S. melanosticta were deduced as: