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In the present study, a total of 290 actinomycetes isolates were obtained from 19 karstic caves in Turkey. Out of these, 131 were chosen for numerical classification studies according to their morphology and pigmentation properties. | M. YAMAÇ, K. IŞIK, N. ŞAHİN Turk J Biol 35 (2011) 473-484 © TÜBİTAK doi:10.3906/biy-0911-185 Numerical classification of streptomycetes isolated from karstic caves in Turkey Mustafa YAMAÇ1,2, Kamil IŞIK3, Nevzat ŞAHİN3 1 Eskişehir Osmangazi University, Faculty of Science and Arts, Department of Biology, Eskişehir - TURKEY 2 Eskişehir Cave Research Society (ESMAD), Eskişehir - TURKEY 3 Ondokuz Mayıs University, Faculty of Science and Arts, Department of Biology, Samsun - TURKEY Received: 20.11.2009 Abstract: In the present study, a total of 290 actinomycetes isolates were obtained from 19 karstic caves in Turkey. Out of these, 131 were chosen for numerical classification studies according to their morphology and pigmentation properties. Representative isolates were compared with the reference Streptomyces strains based on their various taxonomic characteristics such as biochemical, physiological, nutritional, and morphological, totalling 134 unit characters. The data were evaluated using simple matching coefficients (SSM), and clustering achieved using the Complete algorithm by X-Taxon and NTSys-pc programs. The test strains were assigned to 9 major (5-11 strains), 18 minor (2-4 strains), and 31 single membered clusters. As an encouraging result, all cave isolates tested in the present study were grouped in different clusters from reference Streptomyces strains except for 4 of them. This is the first report concerning the distribution of actinomycetes in karstic caves in Turkey. Key words: Cave, numerical taxonomy, Streptomyces, Turkey Türkiye’nin karstik mağaralarından izole edilen streptomycetes’ lerin nümerik sınıflandırılması Özet: Bu çalışmada Türkiye’ nin 19 karstik mağarasından toplam 290 aktinomiset izolatı elde edilmiş olup bunlardan 131 tanesi morfolojik ve pigmentasyon özelliklerine göre nümerik sınıflandırma çalışmaları için seçilmiştir. Temsilci izolatlar, referans Streptomyces suşları ile biyokimyasal, fizyolojik, besinsel ve morfolojik .
