PHYLOGENETIC CHARACTERIZATION OF PSYCHROPHILIC ° BACTERIA ISOLATED FROM DEEP-SEA WATER OF THE NANKAI TROUGH

Ocky Karna Radjasa, Kumiko Kita-Tsukamotoz, Hidetoshi Urakawal, Kouichi Ohwadai


Abstract


A screening among 4"C-culturable isolates obtainedfom dcep~sea water of Nankai Trough from a depth of approximately 4,000 m resulted in a total of 5 psychrophilic bacteria showing no growth at 20° C. Phylogenetic characterization based on l6S ribosomal DNA sequence analysis showed that the isolates belonged to the genus Colwellia, Moritella, and CNPT-3, which could be assigned to Psychromonas.


Keywords


Marine psychrophiles, 16S rDNA, Colwellia, Morite/la, Psychromonas

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