Gaffaroğlu M, Karasu M, Unal S. Karyotype of River Loach Turcinoemacheilus kosswigi Bănărescu and Nalbant, 1964 (Cypriniformes, Balitoridae) from the Euphrates River, Turkey. JAST 2012; 14 (4) :821-826
URL:
http://jast.modares.ac.ir/article-23-11988-en.html
1- Department of Biology, Faculty of Science and Arts, Ahi Evran University, 40100 Kırşehir, Turkey.
Abstract: (6430 Views)
Karyotype of river loach Turcinoemacheilus kosswigi from the Euphrates River, Turkey was investigated using conventional Giemsa-staining and C-banding. Two females and two males were analyzed. Diploid chromosome number was 2n= 50 in all specimens. The karyotype consisted of four pairs of metacentric (m), seven pairs of submeta (sm)-subtelocentric (st) and 14 pairs of acrocentric (a) chromosomes, the number of chromosome was NF= 72. No heteromorphic sex chromosomes were found. C-banded positive constitutive heterochromatin was found in the entire short arms of a pair of large m-sm chromosomes and in the centromeres of several chromosome pairs though to a lesser extent. Karyotype and C-banding patterns of T. kosswigi were compared with those of other loaches.
Received: 2011/03/3 | Accepted: 2011/06/29 | Published: 2012/04/9