Chryseomicrobium imtechense gen. nov., sp. nov., a new member of the family Planococcaceae

Chryseomicrobium imtechense gen. nov., sp. nov., a new member of the family Planococcaceae

A Gram-stain-positive, rod-shaped, yellow, non-motile, non-spore-forming, strictly aerobic bacterial strain, designated MW 10(T), was isolated from seawater of the Bay of Bengal, India, and was subjected to a polyphasic taxonomic study. Analysis of the 16S rRNA gene sequence revealed that strain MW...

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Bibliographic Details
Published in:International journal of systematic and evolutionary microbiology Vol. 61; no. Pt 8; pp. 1859 - 1864
Main Authors: PANKAJ KUMAR ARORA, CHAUHAN, Archana, PANT, Bhawana, KORPOLE, Suresh, MAYILRAJ, Shanmugam, RAKESH KUMAR JAINT
Format: Journal Article
Language:English
Published: Reading Society for General Microbiology 01-08-2011
Subjects:
Bacteriology
Biological and medical sciences
DNA, Bacterial - genetics
DNA, Ribosomal - genetics
Fatty Acids - metabolism
Fundamental and applied biological sciences. Psychology
Microbiology
Molecular Sequence Data
Phylogeny
Planococcaceae - classification
Planococcaceae - genetics
Planococcaceae - isolation & purification
Planococcaceae - metabolism
RNA, Ribosomal, 16S - genetics
Seawater - microbiology
Systematics
Bacteria
Micrococcales
New genus
New species
Planococcaceae
Taxonomy
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Summary:A Gram-stain-positive, rod-shaped, yellow, non-motile, non-spore-forming, strictly aerobic bacterial strain, designated MW 10(T), was isolated from seawater of the Bay of Bengal, India, and was subjected to a polyphasic taxonomic study. Analysis of the 16S rRNA gene sequence revealed that strain MW 10(T) showed highest similarity to the type strains of Psychrobacillus psychrodurans (96.15 %) and Psychrobacillus psychrotolerans (96.01 %) and showed less than 96 % similarity to members of the genera Paenisporosarcina, Planococcus, Sporosarcina and Planomicrobium. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain MW 10(T) formed a clade separate from members of closely related genera. The morphological, physiological and chemotaxonomic characteristics of strain MW 10(T) differed from those of members of closely related genera. The major fatty acid in strain MW 10(T) was iso-C(15 : 0) and the menaquinones were MK-7 (48.4 %), MK-8 (32.3 %), MK-7(H(2)) (13.7 %) and MK-6 (5.6 %). The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, an unknown phospholipid, an unknown lipid and an unknown glycolipid. The cell-wall peptidoglycan type was l-Lys-d-Asp. The genomic DNA G+C content (53.4 mol%) of strain MW 10(T) was significantly different from those of members of closely related genera. On the basis of its morphological, physiological and chemotaxonomic characteristics as well as our phylogenetic analysis, we conclude that strain MW 10(T) is a member of a novel genus and species, for which the name Chryseomicrobium imtechense gen. nov., sp. nov., is proposed. The type strain of Chryseomicrobium imtechense is MW 10(T) ( = MTCC 10098(T)  = JCM 16573(T)).
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ISSN:1466-5026
1466-5034
DOI:10.1099/ijs.0.023184-0