期刊
SYSTEMATIC AND APPLIED MICROBIOLOGY
卷 41, 期 4, 页码 324-332出版社
ELSEVIER GMBH
DOI: 10.1016/j.syapm.2018.03.003
关键词
Acetobacter oryzifermentans; Acetobacter pasteurianus; Acetobacter ascendens; New taxa; Reclassification; Vinegar
资金
- Cooperative Research Program for Agriculture Science & Technology Development [PJ00999302]
- RDA
- National Research Foundation of Ministry of Science, ICT and Future Planning, Republic of Korea [2017M3C1B5019250]
Twelve Acetobacter pasteurianus-related strains with publicly available genomes in GenBank shared high 16S rRNA gene sequence similarity (>99.59%), but average nucleotide identity (ANI) and in silico DNA-DNA hybridization (DDH) values and multilocus sequence- and genome-based relatedness analyses suggested that they were divided into four different phylogenetic lineages. Relatedness analyses based on multilocus sequences, 1,194 core genes and whole-cell MALDI-TOF profiles supported that strains LMG 1590(T) and LMG 1591 (previously classified as the type strains of A. pasteurianus subsp. ascendens and paradoxus, respectively) and strain SLV-7(T) do not belong to A. pasteurianus. Strain SLV-7(T), isolated from Korean traditional vinegar, shared low ANI (<91.0%) and in silico DDH (44.2%) values with all other Acetobacter type strains analyzed in this study, indicating that strain SLV-7(T) represents a new Acetobacter species. The phenotypic and chemotaxonomic analyses confirmed these results and therefore a new species named Acetobacter oryzifermentans sp. nov. is proposed with SLV-7(T) (=KACC 19301(T)=JCM 31096(T)) as the type strain. Strains LMG 1590(T) and LMG 1591 shared high ANI (99.4%) and in silico DDH (96.0%) values between them, but shared low ANI (<92.3%) and in silico DDH (<49.0%) values with other type strains analyzed in this study, indicating that strains LMG 1590(T) and LMG 1591 should be reclassified into a new single species that should be named Acetobacter ascendens sp. nov., comb, nov., with LMD 51.1(T) (=LMG 1590(T) = NCCB 51001(T)) as its type strain. (C) 2018 Elsevier GmbH. All rights reserved.
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