Arzu KARAHAN, Serap ERGENE, Mustafa KURU

Cytogenetic analysis of Pseudophoxinus antalyae, Bogustkaya, 1992 (Pisces: Cyprinidae) from the Eastern Mediterranean River Basin, Turkey

Giemsa bant, C-bant, Ag-NOR bant ve Quinacrine bant teknikleri kullanılarak Pseudophoxinus antalyae’nin karyolojik analizi yapılmıştır. Kromozom analizi Berdan nehri ve Berdan barajında yaşayan örneklerin solungaç ve yüzgeç epitellerinden, havada kurutma tekniği kullanılarak yapılmıştır. P. antalyae’nin diploit kromozom sayısı 50, karyotipi ise 16 metasentrik, 14 submetasentrik, 12 subtelosentrik ve 8 akrosentrik (NF = 92) olarak belirlenmiştir. En büyük kromozomun submetasentrik olduğu görülmüştür. NOR bölgeleri subtelosentrik kromozom çiftleri üzerinde bulunmaktadır. P. antalyae’nin karyotipi bu çalışma ile ilk kez tanımlanmıştır.

Türkiye’nin Doğu Akdeniz bölgesindeki nehirlerinde yaşayan Pseudophoxinus antalyae, Bogustkaya 1992 (Pisces: Cyprinidae)’nin sitogenetik analizi

The karyotype of Pseudophoxinus antalyae was analyzed using G-banding, C-banding, Ag-NOR staining, and Q-banding. Chromosome analysis of this species, which lives in the Berdan River and Berdan Dam Lake, was performed with the air-drying technique, using gill and fin epithelium cells. The diploid chromosome number of P. antalyae was determined to be 2n = 50, comprising 16 metacentric, 14 submetacentric, 12 subtelocentric, and 8 acrocentric (NF = 92) chromosomes. The largest chromosome pair of the complements was characteristically a submetacentric. The nucleolar organizer regions (NORs) were apparently located in subtelocentric chromosome pairs. The karyotype of P. antalyae is reported for the first time.

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