1887

Abstract

Four Gram-negative, moderately halophilic, exopolysaccharide-producing strains, designated AAD6, AAD4, AAD17 and AAD21, were isolated from Çamaltı Saltern Area, a wildlife reserve in Sasalı, İzmir province located in the Aegean Region of Turkey. The isolates grew at an optimum NaCl concentration of 10 % (w/v). The major cellular fatty acids were C, Cω7, Cω7 and C 3OH, respectively and the predominant lipoquinone was ubiquinone Q-9. The G+C content of the genomic DNA of strains AAD6, AAD4, AAD17 and AAD21 was 63.0, 63.3, 62.8 and 62.6 mol%, respectively. Comparative 16S rRNA gene sequence studies showed that the isolates belonged to the genus . The DNA–DNA hybridization mean values between the representative strain AAD6 and the closely related species DSM 5928, DSM 4770, DSM 13445, DSM 16226, DSM 2581, JCM 12237 and LMG 24185, were 40.8, 39.6, 24.2, 23.3, 12.6, 14.5 and 12.2 %, respectively. Based on these data the strains represent a novel species of the genus for which the name sp. nov. is proposed. The type strain is AAD6 ( = DSM 21644 = JCM 15723).

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2013-01-01
2019-10-19
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