Branchiibius cervicis sp. nov., a novel species isolated from patients with atopic dermatitis |
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| Authors: | Tomida Junko Sakamoto Dai Sugita Takashi Fujiwara Nagatoshi Naka Takashi Hamada Moriyuki Morita Yuji Kawamura Yoshiaki |
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| Institution: | aDepartment of Microbiology, School of Pharmacy, Aichi Gakuin University, 1-100 Kusumoto-cho, Nagoya 464-8650, Aichi, Japan;bDepartment of Microbiology, Meiji Pharmaceutical University, Tokyo, Japan;cDepartment of Bacteriology, Osaka City University Graduate School of Medicine, Osaka, Japan;dMBR Co. Ltd, Osaka, Japan;eNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation, Chiba, Japan |
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| Abstract: | Novel actinobacterial strains, PAGU 1247T, PAGU 1251 and PAGU 1252, were isolated from the skin of atopic dermatitis patients and were characterized using a polyphasic approach. Phylogenetic analyses based on 16S rRNA gene sequences showed that these isolates were located within the family Dermacoccaceae. The most closely related species of PAGU 1247T in phylogenetic terms was Branchiibius hedensis Mer 29717T, with 16S rRNA gene sequence similarity of 99.6%, although the DNA–DNA relatedness value was less than 43.9%. Some biochemical traits, such as lipase (C14) and α-galactosidase activity, could distinguish these isolates from B. hedensis. Strain PAGU 1247T contained iso-C16:0 and brC18:0 as the major fatty acids. The quinone system consisted of menaquinone MK-8(H6 and H4). The G + C content of the genomic DNA was 67.6 mol%. On the basis of its phenotypic properties and genetic distinctiveness, strains PAGU 1247T, PAGU 1251 and PAGU 1252 represents a novel species of the genus Branchiibius, for which the name Branchiibius cervicis sp. nov. is proposed. The type strain is PAGU 1247T (=NBRC 106593T = DSM 24166T). |
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| Keywords: | Taxonomy Dermacoccaceae Branchiibius cervicis sp nov Atopic dermatitis |
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