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Abstract
An orange-coloured, rod-shaped, non-motile, Gram-reaction-negative, strictly aerobic bacterial strain, designated JC2680T, was isolated from a seawater sample of Jeju Island, Korea. The isolate required sea salts for growth. Flexirubin-type pigments were absent. 16S rRNA gene sequence analysis indicated that the test strain belonged to the genus Aquimarina within the family Flavobacteriaceae, but shared relatively low levels of similarity (93.6–95.9 %) with the type strains of recognized Aquimarina species. The predominant cellular fatty acids [iso-C17 : 0 3-OH, iso-C15 : 0 and summed feature 9 (comprising 10-methyl C16 : 0 and/or iso-C17 : 1ω9c) and DNA G+C content (35 mol%) were consistent with the assignment of strain JC2680T to the genus Aquimarina. However, a number of phenotypic characteristics, namely inability to grow under microaerophilic conditions, differences in enzyme reactions, and absence of flexirubin-type pigments and gliding motility, clearly distinguished strain JC2680T from recognized species of the genus Aquimarina. The data presented thus indicate that strain JC2680T represents a novel species of the genus Aquimarina, for which the name Aquimarina addita sp. nov. is proposed. The type strain is JC2680T ( = KACC 14156T = JCM 17106T).
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Funding
- Priority Research Centers Program (Award 2008-005J00201)
- National Research Foundation (Award 2010-0017955)
- Korean government (MEST)
- National Institute of Biological Resources (NIBR)
- Ministry of Environment
- Regional SubGenBank Support Program of Rural Development Administration, Republic of Korea