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By constructing feature metagenome database of complete ammonia oxidizing bacteria (CAOB), their abundance and diversity in 56water treatment systems, e.g., urban wastewater nitrogen systems and drinking water treatment systems, were quantitatively analysed. The significant influencing factors were determined by statistical analysis and the influential mechanism were analysed. It was revealed that CAOB were accounted for 8.2%~99.6% of the ammonia oxidation community and 1.4%~48.6% of the Nitrospira in the surveyed urban wastewater nitrogen removal systems. Phylogenetic analysis revealed that CAOB metagenome assembled genomes (MAGs) were associated with Ca.Nitrospira nitrosa, with ANI value higher than 94%. CAOB community were more homogeneity than those in drinking water treatment systems, speculating that Ca.Nitrospira nitrosa cluster were specific adaptable to urban wastewater nitrogen removal systems. According to correlation analysis, pH value was significantly positively while COD was significantly negatively correlated with the abundance and diversity of CAOB. They were more likely to be dominant nitrifiers in low NH4+, high sludge retention time, and low dissolved oxygen conditions. In conclusion, this study reveals that Ca.Nitrospira nitrosa cluster are dominant CAOB, and their distribution influencing factors in urban wastewater nitrogen removal systems.

, authors=Shao-yi XU1, 2, Hui-jie LU1, *, authorsList=Shao-yi XU, Hui-jie LU, authorCompany=null, correspAuthors=Hui-jie LU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314917880274182755, articleId=1314917879707951713, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=脱氮系统中全程硝化菌的基因组库构建及特性, columnId=1234106386565624579, journalTitle=中国环境科学, columnName=水污染与控制, runingTitle=null, highlight=null, articleAbstract=

通过构建全程硝化菌基因组库,定量分析城镇污水脱氮系统,饮用水处理系统等56个不同水处理系统中全程硝化菌基因组的丰度和多样性特性差异,结合统计分析分布影响因子,解析作用机制.结果表明,被调研的城镇污水脱氮系统中全程硝化菌在氨氧化群落占8.2%~99.6%,在Nitrospira群落中占1.4%~48.6%.系统发育分析表明城镇污水脱氮系统的全程硝化菌拼接基因组与Ca.Nitrospira nitrosa基因组系统发育距离较近,核苷酸相似度高于94%,且群落均匀度高于饮用水处理系统,推测Ca.Nitrospira nitrosa种群对城镇污水脱氮系统具有特定的适应能力.相关性分析表明,pH值和COD分别与全程硝化菌的分布显著正相关和负相关,且全程硝化菌在中低浓度NH4+,高污泥停留时间,低溶解氧等环境下更易成为优势硝化菌.研究揭示了城镇污水脱氮系统中的优势全程硝化菌Ca.Nitrospira nitrosa及其分布影响因子.

, authors=许少怡1, 2, 逯慧杰1, *, authorsList=许少怡, 逯慧杰, authorCompany=null, correspAuthors=逯慧杰, authorNote=

许少怡(1995-),女,浙江天台人,工程师,博士,主要从事城镇排水与污水处理技术研究.发表论文10余篇..

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许少怡(1995-),女,浙江天台人,工程师,博士,主要从事城镇排水与污水处理技术研究.发表论文10余篇..

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许少怡(1995-),女,浙江天台人,工程师,博士,主要从事城镇排水与污水处理技术研究.发表论文10余篇..

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脱氮系统中全程硝化菌的基因组库构建及特性
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许少怡 1, 2 , 逯慧杰 1, *
中国环境科学 | 水污染与控制 2025,45(8): 4225-4234
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中国环境科学 |水污染与控制 2025 , 45 (8) : 4225 -4234
脱氮系统中全程硝化菌的基因组库构建及特性
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许少怡(1995-),女,浙江天台人,工程师,博士,主要从事城镇排水与污水处理技术研究.发表论文10余篇..

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许少怡1, 2 , 逯慧杰1, *
作者信息
  • 1.浙江大学环境与资源学院,浙江 杭州 310058
  • 2.江苏省城镇供水安全保障中心,江苏 南京 210036
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* 责任作者,研究员,
作者简介:

许少怡(1995-),女,浙江天台人,工程师,博士,主要从事城镇排水与污水处理技术研究.发表论文10余篇..

Characteristics of complete ammonia oxidizing bacteria in nitrogen removal system by constructing metagenome database
Shao-yi XU1, 2 , Hui-jie LU1, *
Affiliations
  • 1.College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
  • 2.Security Support Center for Urban Water Supply of Jiangsu Province, Nanjing 210036, China
出版时间: 2025-08-20
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通过构建全程硝化菌基因组库,定量分析城镇污水脱氮系统,饮用水处理系统等56个不同水处理系统中全程硝化菌基因组的丰度和多样性特性差异,结合统计分析分布影响因子,解析作用机制.结果表明,被调研的城镇污水脱氮系统中全程硝化菌在氨氧化群落占8.2%~99.6%,在Nitrospira群落中占1.4%~48.6%.系统发育分析表明城镇污水脱氮系统的全程硝化菌拼接基因组与Ca.Nitrospira nitrosa基因组系统发育距离较近,核苷酸相似度高于94%,且群落均匀度高于饮用水处理系统,推测Ca.Nitrospira nitrosa种群对城镇污水脱氮系统具有特定的适应能力.相关性分析表明,pH值和COD分别与全程硝化菌的分布显著正相关和负相关,且全程硝化菌在中低浓度NH4+,高污泥停留时间,低溶解氧等环境下更易成为优势硝化菌.研究揭示了城镇污水脱氮系统中的优势全程硝化菌Ca.Nitrospira nitrosa及其分布影响因子.

城镇污水脱氮系统  /  全程硝化菌  /  Ca.Nitrospira nitrosa  /  宏基因组组装基因组  /  影响因子

By constructing feature metagenome database of complete ammonia oxidizing bacteria (CAOB), their abundance and diversity in 56water treatment systems, e.g., urban wastewater nitrogen systems and drinking water treatment systems, were quantitatively analysed. The significant influencing factors were determined by statistical analysis and the influential mechanism were analysed. It was revealed that CAOB were accounted for 8.2%~99.6% of the ammonia oxidation community and 1.4%~48.6% of the Nitrospira in the surveyed urban wastewater nitrogen removal systems. Phylogenetic analysis revealed that CAOB metagenome assembled genomes (MAGs) were associated with Ca.Nitrospira nitrosa, with ANI value higher than 94%. CAOB community were more homogeneity than those in drinking water treatment systems, speculating that Ca.Nitrospira nitrosa cluster were specific adaptable to urban wastewater nitrogen removal systems. According to correlation analysis, pH value was significantly positively while COD was significantly negatively correlated with the abundance and diversity of CAOB. They were more likely to be dominant nitrifiers in low NH4+, high sludge retention time, and low dissolved oxygen conditions. In conclusion, this study reveals that Ca.Nitrospira nitrosa cluster are dominant CAOB, and their distribution influencing factors in urban wastewater nitrogen removal systems.

urban wastewater nitrogen removal system  /  comammox bacteria  /  Ca.Nitrospira nitrosa  /  metagenome-assembled genomes  /  influencing factors
许少怡, 逯慧杰. 脱氮系统中全程硝化菌的基因组库构建及特性. 中国环境科学, 2025 , 45 (8) : 4225 -4234 .
Shao-yi XU, Hui-jie LU. Characteristics of complete ammonia oxidizing bacteria in nitrogen removal system by constructing metagenome database[J]. China Environmental Science, 2025 , 45 (8) : 4225 -4234 .
  • 浙江省领雁研发攻关计划资助(2022C03075)
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  • 接收时间:2024-12-25
  • 首发时间:2026-10-08
  • 出版时间:2025-08-20
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  • 收稿日期:2024-12-25
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浙江省领雁研发攻关计划资助(2022C03075)
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    1.浙江大学环境与资源学院,浙江 杭州 310058
    2.江苏省城镇供水安全保障中心,江苏 南京 210036

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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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