Nitrosococcus watsonii sp. nov., a new species of marine obligate ammonia-oxidizing bacteria that is not omnipresent in the world's oceans: calls to validate the names 'Nitrosococcus halophilus' and 'Nitrosomonas mobilis'
Nitrosococcus watsonii sp. nov., a new species of marine obligate ammonia-oxidizing bacteria that is not omnipresent in the world's oceans: calls to validate the names 'Nitrosococcus halophilus' and 'Nitrosomonas mobilis'
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DOI：
10.1111/j.1574-6941.2010.01027.x
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发表时间：
2011-04-01
影响因子：
4.2
通讯作者：
Klotz, Martin G.
中科院分区：
文献类型：
--
作者：
Campbell, Mark A.;Chain, Patrick S. G.;Klotz, Martin G.
厌氧氨氧化细菌和专性好氧菌属亚硝化球菌之间的本地协会似乎是显着的氨氧化在氧气最低区。关于紫硫细菌着色菌科（Chromatiaceae）亚硝化球菌属（Nitrosococcus）的文献报道了4个种：亚硝化球菌（Nitrosococcus nitrossus）、海洋亚硝化球菌（Nitrosococcus oceani）、嗜盐亚硝化球菌（Nitrosococcus halophilus）和运动亚硝化单胞菌（Nitrosomonasmobilis）。nitrosus和N. oceani是已发表的有效名称，只有N.海洋生物在世界海洋中无处不在。物种N。1990年提出了以Nc 4 T为模式菌株的嗜盐菌（halophilus），但该种尚未正式发表。通过对N. oceaniATCC19707T（C-107，Nc9），N.嗜盐菌Nc 4 T和亚硝化球菌属C-113菌株的研究结果表明，有必要提出一个新种。因此，建议将亚硝化球菌属菌株C-113 T暂时分类为瓦氏亚硝化球菌（Nitrosococcus watsonii）。对胶州湾沉积物富集培养物中检测到的亚硝化球菌haoAB特征基因进行序列分析，仅鉴定出N.海洋型序列，表明在环境中的不同分布模式与亚硝化球菌属的物种形成相关。
Local associations between anammox bacteria and obligate aerobic bacteria in the genus Nitrosococcus appear to be significant for ammonia oxidation in oxygen minimum zones. The literature on the genus Nitrosococcus in the Chromatiaceae family of purple sulfur bacteria (Gammaproteobacteria, Chromatiales) contains reports on four described species, Nitrosococcus nitrosus, Nitrosococcus oceani, 'Nitrosococcus halophilus' and 'Nitrosomonas mobilis', of which only N. nitrosus and N. oceani are validly published names and only N. oceani is omnipresent in the world's oceans. The species 'N. halophilus' with Nc4T as the type strain was proposed in 1990, but the species is not validly published. Phylogenetic analyses of signature genes, growth-physiological studies and an average nucleotide identity analysis between N. oceani ATCC19707T (C-107, Nc9), 'N. halophilus' strain Nc4T and Nitrosococcus sp. strain C-113 revealed that a proposal for a new species is warranted. Therefore, the provisional taxonomic assignment Nitrosococcus watsonii is proposed for Nitrosococcus sp. strain C-113T. Sequence analysis of Nitrosococcus haoAB signature genes detected in cultures enriched from Jiaozhou Bay sediments (China) identified only N. oceani-type sequences, suggesting that different patterns of distribution in the environment correlate with speciation in the genus Nitrosococcus.