Karyotype of River Loach Turcinoemacheilus kosswigi Bănărescu and Nalbant, 1964 (Cypriniformes, Balitoridae) from the Euphrates River, Turkey | ||
| Journal of Agricultural Science and Technology | ||
| Article 11, Volume 14, Issue 4, 2012, Pages 821-826 PDF (355.99 K) | ||
| Authors | ||
| M. Gaffaroğlu* ; M. Karasu; S. Unal | ||
| Department of Biology, Faculty of Science and Arts, Ahi Evran University, 40100 Kırşehir, Turkey. | ||
| Abstract | ||
| 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. | ||
| Keywords | ||
| Balitorid loaches; Chromosome banding; Cytotaxonomy; Fish cytogenetics | ||
| References | ||
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