A cytogenetical study on Economidichthys pygmaeus Holly, 1929 (Pisces, Gobiidae), an endemic freshwater goby from Western Greece | Zendy

Massimiliano Rampin | Zendy; Christos Gkenas | Zendy; Stefano Malavasi | Zendy; Angelo Libertini | Zendy

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A cytogenetical study on Economidichthys pygmaeus Holly, 1929 (Pisces, Gobiidae), an endemic freshwater goby from Western Greece

Author(s) -

Massimiliano Rampin,

Christos Gkenas,

Stefano Malavasi,

Angelo Libertini

Publication year - 2011

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.v5i5.2015

Subject(s) - biology , goby , karyotype , nuclear dna , ploidy , zoology , chromosome , chromosome number , ecology , fishery , gene , genetics , mitochondrial dna , fish <actinopterygii>

A cytogenetic study was carried out on the chromosomes and the nuclear DNA content of the freshwater goby Economidichthys pygmaeus (Pisces, Gobiidae). The species is characterized by a 2n=46 karyotype consisting of 12 submetacentric and 11 subtelocentric chromosome pairs (NF=70). Major (45S) rDNA genes are terminal-centromeric located on the short arm of a single medium-small sized submetacentric pairas assessed by in situ hybridization, CMA3 staining, and Ag-NOR banding. The haploid (C-value) nuclear DNA content is 0.93±0.003 picograms. The cytogenetical data of Economidichthys pygmaeus were compared with those ones already available for other related gobies.

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