Chromosomal analysis of Sander lucioperca (L., 1758) (Perciformes: Percidae) from Turkey

Abstract

Sander lucioperca (pikeperch) is a percid fish species of high commercial value and potential for being aquaculture in Turkey. However, karyological studies are deficient for population of Turkey. So, the aim of this study is to carry out diploid chromosome number, karyotype formula, fundamental arm number and chromosomal banding properties (with C-banding and Ag-NOR staining) of S. lucioperca. Specimens of S. lucioperca were captured from Konya, Turkey and alive specimens carried to the laboratory. Chromosome obtaining was provided by using air-drying technique from the head kidney. Chromosome slides were prepared and banding procedures were applied. Result of the analysis, diploid chromosome number was found as 48 and karyotype of the pikeperch consist of 32 biarmed and 16 uniarmed chromosomes. Constitutive heterochromatin regions were observed on the pericentromeres of some of the chromosomes. Ag-NORs were determined on one pair of submetacentric chromosome. This report is the first that determines chromosomal properties of S. lucioperca from Turkey. This study may contribute the cytogenetic information of this species.

Keywords

• Pikeperch
• Karyology
• Constitutive heterochromatin region
• Nucleolus organizer region

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