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KMID : 0880220130510030312
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Journal of Microbiology
2013 Volume.51 No. 3 p.312 ~ p.317
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Paenibacillus marinisediminis sp. nov., a bacterium isolated from marine sediment
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Lee Hae-Won
Roh Seong-Woon
Shin Na-Ri
Lee Ji-na
Whon Tae-Woong
Kim Joon-Yong
Bae Jin-Woo
Yim Kyung-June
Kim Dae-kyung
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Abstract
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A Gram-negative, nonmotile, endospore-forming, rod-shaped bacterial strain LHW35T, which belonged to the genus Paenibacillus, was isolated from marine sediment collected from the south coast of the Republic of Korea. A phylogenetic analysis of 16S rRNA gene sequences indicated that strain LHW35T was most closely related to Paenibacillus taiwanensis G-soil-2-3T (97.2% similarity). The optimal growth conditions for strain LHW35T were 37°C, pH 6.0, and 0% (w/v) NaCl. The main isoprenoid quinone was menaquinone-7 (MK-7) and the major polyamine was spermidine. The diamino acid present in the cell-wall peptidoglycan was meso-diaminopimelic acid. The major fatty acids were anteiso-C15:0 and C16:0. The polar lipids were phosphatidylethanolamine, phosphatidylglycerol, unidentified amino-hospholipids, unidentified phospholipids, and unidentified polar lipids. A DNA-DNA hybridization experiment using the type strain of P. taiwanensis indicated <40% relatedness. The DNA G+C content was 45.0 mol%. Based on these phylogenetic, genomic, and phenotypic analyses, strain LHW35T should be classified as a novel species within the genus Paenibacillus, for which the name Paenibacillus marinisediminis sp. nov. is proposed. The type strain is LHW35T (=KACC 16317T =JCM 17886T).
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KEYWORD
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bacterial taxonomy, marine sediment, Paenibacillus marinisediminis sp. nov.
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