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Flavobacterium nitratireducens sp. nov., an amylolytic bacterium of the family Flavobacteriaceae isolated from coastal surface seawater

DRS at CSIR-National Institute of Oceanography

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Title Flavobacterium nitratireducens sp. nov., an amylolytic bacterium of the family Flavobacteriaceae isolated from coastal surface seawater
 
Creator Nupur
Bhumika, V.
Srinivas, T.N.R.
AnilKumar, P.
 
Subject new species
bacteria
identification keys
taxonomy
 
Description A novel Gram-negative, rod-shaped, non-motile bacterium, designated strain N1 sup(T), was isolated from a marine water sample collected from the sea shore, Bay of Bengal, Visakhapatnam, India. The strain was positive for starch hydrolysis, nitrate reduction and ornithine decarboxylase activities and negative for citrate utilization, urease, oxidase, catalase and DNase activities. The predominant fatty acids were C sub(16:0) 3-OH, iso-C sub(15:0), iso-C sub(15:0) 3-OH, iso-C1 sub(17:0) 3-OH, anteiso-C sub(15:0), C sub(16:0), C sub(15:0) 3-OH, and C sub(16:0)omega 7c and/or iso-C sub(15:0) 2-OH (summed feature 3). Strain N1 sup(T) contained menaquinone 6 (MK-6) as the sole respiratory quinone. The only polyamine was homospermidine and the major polar lipids were phosphatidylethanolamine (PE), three unidentified aminolipids (AL1?AL3) and two unidentified lipids (L1, L2). The DNA G+C content of the strain was 36.3 mol%. 16S rRNA gene sequence analysis indicated that strain N1 sup(T) was a member of the genus Flavobacterium and closely related to Flavobacterium resistens with pairwise sequence similarity of 96.5%. Phylogenetic analysis showed that strain N1 sup(T) clustered with Flavobacterium glycines and Flavobacterium daejeonense with a distance of 4.8 and 6.0% (95.2 and 94.0% similarity), respectively. Based on the phenotypic characteristics and on phylogenetic inference, strain sup(T) represents a novel species of the genus Flavobacterium, for which the name Flavobacterium nitratireducens sp. nov. is proposed. The type strain is N1 sup(T) (=MTCC 11155sup(T)=JCM 17678sup(T)).
 
Date 2013-09-06T07:39:28Z
2013-09-06T07:39:28Z
2013
 
Type Journal Article
 
Identifier International Journal of Systematic and Evolutionary Microbiology, vol.63(7); 2013; 2490-2496
http://drs.nio.org/drs/handle/2264/4347
 
Language en
 
Rights ? 2012 IUMS Printed in Great Britain
 
Publisher International Union of Microbiological Societies