Abstract:
:The taxonomic position of a lemon-yellow-pigmented actinobacterium, strain JF-6T, isolated from Aurelia aurita, the moon jellyfish, collected from the Bay of Bengal coast, Kanyakumari, India, was determined using a polyphasic approach. The strain had phenotypic and chemotaxonomic properties that were consistent with its classification in the genus Microbacterium. Alignment of the 16S rRNA gene sequence of strain JF-6T with sequences from Microbacterium arthrosphaerae CC-VM-YT, Microbacterium yannicii G72T, Microbacterium trichothecenolyticum IFO 15077T, Microbacterium flavescens DSM 20643T, Microbacterium insulae DS-66T, Microbacterium resistens DMMZ 1710T and Microbacterium thalassium IFO 16060T revealed similarities of 98.95, 98.76, 98.43, 98.41, 98.41, 98.26 and 98.22 %, respectively. However, the levels of DNA-DNA relatedness with its closest phylogenetic neighbours confirmed that it represents a novel species within the genus. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol and an unknown glycolipid. The major menaquinones detected for strain JF-6T were MK-13 and MK-12. The diamino acid in the cell-wall peptidoglycan was ornithine and the peptidoglycan was type B2β (Glu/Hyg-Gly-d-Orn). The DNA G+C content was 69.4 mol%. Based on these differences, strain JF-6T (=MTCC 11843T=JCM 30060T=KCTC 39828T) should be classified as the type strain of a novel species of Microbacterium, for which the name Microbacterium aureliae sp. nov. is proposed.
journal_name
Int J Syst Evol Microbiolauthors
Kaur G,Mual P,Kumar N,Verma A,Kumar A,Krishnamurthi S,Mayilraj Sdoi
10.1099/ijsem.0.001407subject
Has Abstractpub_date
2016-11-01 00:00:00pages
4665-4670issue
11eissn
1466-5026issn
1466-5034journal_volume
66pub_type
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