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Title: Micromonospora pelagivivens sp. nov., a new species of the genus micromonospora isolated from deep-sea sediment in Japan
Authors: Bungonsiri Intra
Watanalai Panbangred
Yuki Inahashi
Akira Také
Mihoko Mori
Satoshi Ōmura
Atsuko Matsumoto
Mahidol University
Kitasato University
Keywords: Agricultural and Biological Sciences;Immunology and Microbiology
Issue Date: 1-Jan-2020
Citation: International Journal of Systematic and Evolutionary Microbiology. Vol.70, No.5 (2020), 3069-3075
Abstract: © 2020 The Authors. A novel marine actinomycete, designated strain KJ-029T, was isolated from a marine sediment sample (water depth of 226 m) in Kagoshima, Japan. 16S rRNA gene sequence analysis revealed that the new isolate was most closely related to Micromonospora craniellae LHW 63014T (99.3% similarity). Phylogenetic analyses of the genus Micromonospora based on 16S rRNA gene sequences showed that strain KJ-029T was clustered with Micromonospora craniellae LHW 63014T and Micromonospora endophytica 202201T. However, digital DNA–DNA hybridization analyses presented low levels of relatedness in the range of 24.8– 32.9% between strain KJ-029T and the above closely related strains. The novel strain contained meso-diaminopimelic acid and 3-OH-diaminopimelic acid, d-glutamic acid, glycine and d-alanine in the cell-wall peptidoglycan. The acyl type of the peptidoglycan was glycolyl and mycolic acids were absent. The major menaquinone was MK-9(H4). The whole-cell sugars consisted of glucose, mannose, xylose and ribose. Phosphatidylethanolamine was detected as the major phospholipid and corresponded to phospholipid type II. The predominant cellular fatty acid was iso-C16:0. The DNA G+C content of the genomic DNA was 71.5 mol%. Based on the present polyphasic study, strain KJ-029T represents a novel species of the genus Micromonospora, for which the name Micromonospora pelagivivens sp. nov. is proposed. The type strain is KJ-029T (=NBRC 113519T=TBRC 9233T).
ISSN: 14665034
Appears in Collections:Scopus 2020

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