Genome-based taxonomic analysis of the genus Pseudoalteromonas reveals heterotypic synonyms

IF 4.3 2区 生物学 Q2 MICROBIOLOGY Environmental microbiology Pub Date : 2024-07-23 DOI:10.1111/1462-2920.16672
Patrick Videau, Maximillian D. Shlafstein, David K. Oline, Scott A. Givan, Linda Fleet Chapman, Wendy K. Strangman, Richard L. Hahnke, Jimmy H. Saw, Blake Ushijima
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Abstract

The Pseudoalteromonas genus comprises members that have been demonstrated to play significant ecological roles and produce enzymes, natural products, and activities that are beneficial to the environment and economy. A comprehensive evaluation of the genus revealed that the genomes of several Pseudoalteromonas species are highly similar to each other, exceeding species cutoff values. This evaluation involved determining and comparing the average nucleotide identity, in silico DNA–DNA hybridization, average amino acid identity, and the difference in G + C% between Pseudoalteromonas type strains with publicly available genomes. The genome of the Pseudoalteromonas elyakovii type strain was further assessed through additional sequencing and genomic comparisons to historical sequences. These findings suggest that six Pseudoalteromonas species, namely P. mariniglutinosa, P. donghaensis, P. maricaloris, P. elyakovii, P. profundi, and P. issachenkonii, should be reclassified as later heterotypic synonyms of the following validly published species: P. haloplanktis, P. lipolytica, P. flavipulchra, P. distincta, P. gelatinilytica, and P. tetraodonis. Furthermore, two names without valid standing, ‘P. telluritireducens’ and ‘P. spiralis’, should be associated with the validly published Pseudoalteromonas species P. agarivorans and P. tetraodonis, respectively.

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基于基因组的假交替单胞菌属分类分析揭示了异型同物异名。
假交替单胞菌属(Pseudoalteromonas)的成员已被证明在生态方面发挥着重要作用,并能产生对环境和经济有益的酶、天然产品和活性物质。对该属的全面评估显示,几个假交替单胞菌物种的基因组彼此高度相似,超过了物种临界值。这项评估包括确定和比较假交替单胞菌类型菌株与公开基因组之间的平均核苷酸同一性、硅 DNA-DNA 杂交、平均氨基酸同一性以及 G + C% 的差异。通过额外的测序和与历史序列的基因组比较,进一步评估了伊利亚科夫假单胞菌(Pseudoalteromonas elyakovii)类型菌株的基因组。这些发现表明,六种假交替单胞菌,即 P. mariniglutinosa、P. donghaensis、P. maricaloris、P. elyakovii、P. profundi 和 P. issachenkonii,应被重新归类为以下已公布的有效种的异型异名:P.haloplanktis、P.lipolytica、P.flavipulchra、P.distincta、P.gelatinilytica 和 P.tetraodonis。此外,"P. telluritireducens "和 "P. spiralis "这两个名称没有有效的地位,应分别与有效发表的假交替单胞菌物种 P. agarivorans 和 P. tetraodonis 相关联。
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来源期刊
Environmental microbiology
Environmental microbiology 环境科学-微生物学
CiteScore
9.90
自引率
3.90%
发文量
427
审稿时长
2.3 months
期刊介绍: Environmental Microbiology provides a high profile vehicle for publication of the most innovative, original and rigorous research in the field. The scope of the Journal encompasses the diversity of current research on microbial processes in the environment, microbial communities, interactions and evolution and includes, but is not limited to, the following: the structure, activities and communal behaviour of microbial communities microbial community genetics and evolutionary processes microbial symbioses, microbial interactions and interactions with plants, animals and abiotic factors microbes in the tree of life, microbial diversification and evolution population biology and clonal structure microbial metabolic and structural diversity microbial physiology, growth and survival microbes and surfaces, adhesion and biofouling responses to environmental signals and stress factors modelling and theory development pollution microbiology extremophiles and life in extreme and unusual little-explored habitats element cycles and biogeochemical processes, primary and secondary production microbes in a changing world, microbially-influenced global changes evolution and diversity of archaeal and bacterial viruses new technological developments in microbial ecology and evolution, in particular for the study of activities of microbial communities, non-culturable microorganisms and emerging pathogens
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