TAILIEUCHUNG - Karyological observation of red mullet (Mullus barbatus Linnaeus, 1758)

The number and structure of red mullet chromosomes (Mullus barbatus Linnaeus, 1758) were investigated and the species karyotype was analyzed. Specimens were obtained by trawl from the coast of Zonguldak, Turkey. | Turk J Biol 30 (2006) 235-238 © TÜB‹TAK Karyological Observation of Red Mullet (Mullus barbatus Linnaeus, 1758) Serkan SAYGUN1 , ‹smihan KARAYÜCEL2, Recep B‹RCAN2 1Department of Fish and Fisheries Technology, Fatsa Faculty of Marine Sciences, Ordu University, Fatsa, Ordu - TURKEY 2Department of Aquaculture, Faculty of Fisheries, Ondokuz May›s University, 57000 Sinop - TURKEY Received: Abstract: The number and structure of red mullet chromosomes (Mullus barbatus Linnaeus, 1758) were investigated and the species karyotype was analyzed. Specimens were obtained by trawl from the coast of Zonguldak, Turkey. A colchicine solution, mg/g of body weight, was intramuscularly injected dorsally, and intraperitoneally injected ventrally. Slides were prepared from gill and fin epithelial tissues. Results of the conventional staining method showed that this species has 2n = 44 diploid chromosomes. Key Words: Red mullet, Mullus barbatus, Karyotype Barbunya Bal›¤›n›n (Mullus barbatus Linnaeus, 1758) Karyolojik ‹ncelemesi Özet: Barbunya bal›¤› (Mullus barbatus Linnaeus, 1758)’n›n kromozom say› ve yap›lar› incelenerek, karyotip analizi yap›lm›flt›r. Araflt›rmada kullan›lan örnekler Zonguldak k›y› bölgesinden trol avc›l›¤› ile elde edilmifltir. Bal›¤›n her bir gram vücut a¤›rl›¤›na mg olacak flekilde kolsiflin solusyonu dorsalden kas aras›na ve ventralden kar›n bofllu¤una enjekte edilmifltir. Preparatlar solungaç ve yüzgeç epitel dokular›ndan haz›rlanm›flt›r. Sonuçta; Barbunya bal›¤›n›n 2n = 44 diploid say›da kromozoma sahip oldu¤u belirlenmifltir. Anahtar Sözcükler: Barbunya bal›¤›, Mullus barbatus, karyotip Introduction The genus Mullus, belonging to the family Mullidae, includes 15 genera of which only 2, Mullus and Upeneus, exist in the Mediterranean and Black seas (1). A third genus, Pseudoupeneus, was also defined by Whitehead et al. (2). Red mullet, Mullus barbatus, living in the Mediterranean and Black seas is a benthic species, like the other .

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