The first cytogenetic description of Euleptes europaea (Gené, 1839) from Northern Sardinia reveals the highest diploid chromosome number among sphaerodactylid geckos (Sphaerodactylidae, Squamata) | Zendy

Ekaterina Gornung | Zendy; Fabio Mosconi | Zendy; Flavia Annesi | Zendy; Riccardo Castiglia | Zendy

Open Access

The first cytogenetic description of Euleptes europaea (Gené, 1839) from Northern Sardinia reveals the highest diploid chromosome number among sphaerodactylid geckos (Sphaerodactylidae, Squamata)

Author(s) -

Ekaterina Gornung,

Fabio Mosconi,

Flavia Annesi,

Riccardo Castiglia

Publication year - 2013

Publication title -

comparative cytogenetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.49

H-Index - 20

eISSN - 1993-078X

pISSN - 1993-0771

DOI - 10.3897/compcytogen.v7i2.4881

Subject(s) - karyotype , gecko , biology , ploidy , squamata , chromosome , chromosome number , fish <actinopterygii> , zoology , evolutionary biology , cyprinidae , genetics , fishery , gene

The karyotype of a sphaerodactylid gecko Euleptes europaea (Gené, 1839) was assembled for the first time in this species. It is made of 2n = 42 gradually decreasing in size chromosomes, the highest chromosome number so far acknowledged in the family Sphaerodactylidae. The second chromosome pair of the karyotype appears slightly heteromorphic in the male individual. Accordingly, FISH with a telomeric probe revealed an uneven distribution of telomeric repeats on the two homologues of this pair, which may be indicative of an XY sex-determination system in the species, to be further investigated.

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