Nonspecific esterase patterns of Rattus norvegicus (Berkenhout, 1769) in Western Turkey

Nonspecific esterases in the muscle, heart, kidney and liver tissues of wild rats (Rattus norvegicus) were examined by horizontal starch gel electrophoresis. Zymogram bands corresponding to Es-10 and Es-4 in the muscle, heart, kidney and liver homogenates, Es-3 and Es-17. | Turk J Biol 24 (2000) 825–831 © TÜBİTAK Nonspecific Esterase Patterns of Rattus norvegicus (Berkenhout, 1769) in Western Turkey Reyhan VERİMLİ, Nuri YİĞİT, Ercüment ÇOLAK, Mustafa SÖZEN Department of Biology, Faculty of Science, Ankara University, Beşevler, Ankara-TURKEY Şakir ÖZKURT Department of Biology, Education Faculty of Kırşehir, Gazi University, Kırşehir-TURKEY Received: Abstract: Nonspecific esterases in the muscle, heart, kidney and liver tissues of wild rats (Rattus norvegicus) were examined by horizontal starch gel electrophoresis. Zymogram bands corresponding to Es-10 and Es-4 in the muscle, heart, kidney and liver homogenates, Es-3 and Es-17 in the kidney and liver, Es-18 in the liver tissue, Es-15 in kidney and liver, Es-2 in the muscle and heart, Es-16 in the heart tissue were detected. These findings showed that nonspecific esterases are very polymorphic and tissue-specific, and are not of taxonomic importance for the populations of Rattus norvegicus. Key Words: Nonspecific esterase, horizontal starch gel electrophoresis, Rattus norvegicus, Turkey. Batı Türkiye Rattus norvegicus (Berkenhout, 1769)’larının Nonspesifik Esteraz Özellikleri Özet: Sıçanların kas, kalp, böbrek ve karaciğerinde nonspesifik esteraz enzimi horizontal nişasta jel elektroforezi ile incelendi. Zimogram bantlarına karşılık gelen Es-10 ve Es-4 kas, kalp, böbrek ve karaciğerden; Es-3 ve Es-17 böbrek ve karaciğer homojenatlarından; Es-18 karaciğerden; Es-15 böbrek ve karaciğerden; Es-2 kas ve kalpten ve Es-16 kalpten tespit edildi. Bu bulgular nonspesifik esterazların çok polimorfik, dokuya özel olduğunu ve Rattus norvegicus populasyonları için taksonomik önemde olmadığını göstermiştir. Anahtar Sözcükler: Nonspesifik esterazlar, horizontal nişasta jel elektroforezi, Rattus norvegicus, Türkiye. Introduction The wild rat, Rattus norvegicus, is present throughout the world (1-4). In the Palearctic region, Ellerman and Morrison-Scott (1) identified three subspecies .

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