1887

Abstract

Two strains, designated K2814 and K282, were isolated from a compost pile in Japan. These strains were Gram-stain-variable, aerobic, motile and endospore-forming rods. The strains produced a characteristic brown non-diffusible pigment. The 16S rRNA gene sequences of the strains were 100 % identical and had high similarity to that of LMG 22481 (97.3 %). Phylogenetic analyses based on 16S rRNA gene sequences revealed that these strains belong to the genus Strains K2814 and K282 contained -diaminopimelic acid in their cell walls. Strains K2814 and K282 contained MK-7 (96.0 and 97.2 %, respectively) and MK-8 (4.0 and 2.8 %, respectively) as the major and minor menaquinones, respectively. Their major cellular fatty acids were anteiso-C, anteiso-C, iso-C and iso-C. The DNA G+C contents of strains K2814 and K282 were 48.8 and 49.8 mol%, respectively. Polar lipids of strain K2814 were composed of phosphatidyl--methylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, an unidentified phospholipid, three unidentified polar lipids, an unidentified aminophospholipid and an unidentified aminolipid. The level of DNA–DNA relatedness between strains K2814 and K282 was 99 or 100 %, and levels between strain K2814 and the type strains of seven related species of the genus , including LMG 22481, were below 59 %. From the chemotaxonomic and physiological data and the levels of DNA–DNA relatedness, these two strains should be classified as representing a novel species of the genus , for which the name sp. nov. (type strain K2814 = JCM 18162 = ATCC BAA-2417 = DSM 25523) is proposed.

Funding
This study was supported by the:
  • Ministry of Education, Culture, Sports, Science and Technology
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2014-02-01
2024-03-29
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