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A strain of polycyclic aromatic hydrocarbons (PAHs) degrading bacteria, QYQ-1, was isolated from the sediments of the Jialing River bed. Through 16S rRNA sequence alignment, calculation of average nucleotide identity, and whole-genome phylogenetic analysis, it was identified as Pseudomonas jessenii. The strain QYQ-1 exhibits a wide adaptive range for temperature (15~40℃) and pH (5~9), excellent salt tolerance (0.5%~5%), and good heavy metal resistance (Cu2+, Zn2+, Co2+, Mn2+, Cd2+). It has a unique advantage in withstanding low temperatures (15℃), high salinity (5%), and heavy metals. The optimal degradation conditions are at a temperature of 35℃ and a pH of 7, achieving a degradation rate of 97.7% for 100mg/L naphthalene within 48hours. Additionally, it can efficiently degrade aromatic compounds such as benzoic acid and phenol. Genomic analysis indicates that the strain QYQ-1 possesses various key genes involved in the degradation of multiple PAHs, including a complete pathway for benzoate degradation and a meta-cleavage pathway for catechol. It also contains critical genes related to PAHs degradation, such as salicylate hydroxylase, cytochrome P450, and protocatechuate 3,4-dioxygenase. Additionally, it carries a significant number of resistance genes for heavy metals such as copper, zinc, cobalt, manganese, and cadmium. Furthermore, strain QYQ-1 has a robust iron uptake system. This expands the application range of strain QYQ-1, making it suitable not only for environmental remediation of PAHs-contaminated sites but also for potential use in environments contaminated with both heavy metals and PAHs.

, authors=Yin-qiu QIN, Yi-cheng WANG, Mu-qi ZHANG, You-peng CHEN*, authorsList=Yin-qiu QIN, Yi-cheng WANG, Mu-qi ZHANG, You-peng CHEN, authorCompany=null, correspAuthors=You-peng CHEN, 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=1314917645917455284, articleId=1314917645384778674, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=高效多环芳烃降解菌Pseudomonas jessenii QYQ-1的分离、鉴定及基因组分析, columnId=1240689596959346705, journalTitle=中国环境科学, columnName=环境微生物, runingTitle=null, highlight=null, articleAbstract=

从嘉陵江河床沉积物分离获得一株多环芳烃(PAHs)降解菌株QYQ-1,经16S rRNA序列比对、平均核苷酸一致性值计算与全基因组系统发育分析,鉴定其为杰氏假单胞菌(Pseudomonas jessenii).菌株QYQ-1具有广泛的温度(15~40℃)和pH值(5~9)适应范围、优良的耐盐性(0.5%~5%)和良好的重金属抗性(Cu2+、Zn2+、Co2+、Mn2+、Cd2+),尤其具有耐低温(15℃)、耐高盐(5%)和耐重金属的独特优势,其最佳降解条件为温度35℃,pH值为7,可在48h内对100mg/L萘降解率达到97.7%.此外,其还可以高效降解苯甲酸和苯酚等芳香族化合物.基因组分析表明,菌株QYQ-1具有多种PAHs降解过程中的关键基因,包括完整的苯甲酸盐降解与邻苯二酚邻位裂解通路,还含有水杨酸羟化酶、细胞色素P450、原儿茶酸3,4-双加氧酶等有关PAHs降解的关键基因.同时,还携带大量铜、锌、钴、锰、镉等重金属抗性基因.此外,菌株QYQ-1还具有强大的铁摄取系统.这拓展了菌株QYQ-1的应用范围,不仅可以用于PAHs污染场地的环境修复,还具有应用于重金属和PAHs复合污染场地环境修复的潜力.

, authors=秦银秋, 王乙橙, 张慕琦, 陈猷鹏*, authorsList=秦银秋, 王乙橙, 张慕琦, 陈猷鹏, authorCompany=null, correspAuthors=陈猷鹏, authorNote=

秦银秋(1998-),男,重庆人,重庆大学硕士研究生,研究方向为环境微生物技术.发表论文1篇..

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秦银秋(1998-),男,重庆人,重庆大学硕士研究生,研究方向为环境微生物技术.发表论文1篇..

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秦银秋(1998-),男,重庆人,重庆大学硕士研究生,研究方向为环境微生物技术.发表论文1篇..

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高效多环芳烃降解菌Pseudomonas jessenii QYQ-1的分离、鉴定及基因组分析
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秦银秋 , 王乙橙 , 张慕琦 , 陈猷鹏 *
中国环境科学 | 环境微生物 2025,45(9): 5163-5175
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中国环境科学 |环境微生物 2025 , 45 (9) : 5163 -5175
高效多环芳烃降解菌Pseudomonas jessenii QYQ-1的分离、鉴定及基因组分析
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秦银秋 , 王乙橙, 张慕琦, 陈猷鹏*
作者信息
  • 重庆大学环境与生态学院,重庆 400044
通讯作者:
* 责任作者,教授,
作者简介:

秦银秋(1998-),男,重庆人,重庆大学硕士研究生,研究方向为环境微生物技术.发表论文1篇..

Isolation, identification and genome analysis of Pseudomonas jessenii QYQ-1, a highly efficient polycyclic aromatic hydrocarbon degrading bacterium
Yin-qiu QIN , Yi-cheng WANG, Mu-qi ZHANG, You-peng CHEN*
Affiliations
  • College of Environment and Ecology, Chongqing University, Chongqing 400044, China
出版时间: 2025-09-20
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从嘉陵江河床沉积物分离获得一株多环芳烃(PAHs)降解菌株QYQ-1,经16S rRNA序列比对、平均核苷酸一致性值计算与全基因组系统发育分析,鉴定其为杰氏假单胞菌(Pseudomonas jessenii).菌株QYQ-1具有广泛的温度(15~40℃)和pH值(5~9)适应范围、优良的耐盐性(0.5%~5%)和良好的重金属抗性(Cu2+、Zn2+、Co2+、Mn2+、Cd2+),尤其具有耐低温(15℃)、耐高盐(5%)和耐重金属的独特优势,其最佳降解条件为温度35℃,pH值为7,可在48h内对100mg/L萘降解率达到97.7%.此外,其还可以高效降解苯甲酸和苯酚等芳香族化合物.基因组分析表明,菌株QYQ-1具有多种PAHs降解过程中的关键基因,包括完整的苯甲酸盐降解与邻苯二酚邻位裂解通路,还含有水杨酸羟化酶、细胞色素P450、原儿茶酸3,4-双加氧酶等有关PAHs降解的关键基因.同时,还携带大量铜、锌、钴、锰、镉等重金属抗性基因.此外,菌株QYQ-1还具有强大的铁摄取系统.这拓展了菌株QYQ-1的应用范围,不仅可以用于PAHs污染场地的环境修复,还具有应用于重金属和PAHs复合污染场地环境修复的潜力.

杰氏假单胞菌  /  多环芳烃  /  降解  /  重金属  /  全基因组测序  /  基因组分析

A strain of polycyclic aromatic hydrocarbons (PAHs) degrading bacteria, QYQ-1, was isolated from the sediments of the Jialing River bed. Through 16S rRNA sequence alignment, calculation of average nucleotide identity, and whole-genome phylogenetic analysis, it was identified as Pseudomonas jessenii. The strain QYQ-1 exhibits a wide adaptive range for temperature (15~40℃) and pH (5~9), excellent salt tolerance (0.5%~5%), and good heavy metal resistance (Cu2+, Zn2+, Co2+, Mn2+, Cd2+). It has a unique advantage in withstanding low temperatures (15℃), high salinity (5%), and heavy metals. The optimal degradation conditions are at a temperature of 35℃ and a pH of 7, achieving a degradation rate of 97.7% for 100mg/L naphthalene within 48hours. Additionally, it can efficiently degrade aromatic compounds such as benzoic acid and phenol. Genomic analysis indicates that the strain QYQ-1 possesses various key genes involved in the degradation of multiple PAHs, including a complete pathway for benzoate degradation and a meta-cleavage pathway for catechol. It also contains critical genes related to PAHs degradation, such as salicylate hydroxylase, cytochrome P450, and protocatechuate 3,4-dioxygenase. Additionally, it carries a significant number of resistance genes for heavy metals such as copper, zinc, cobalt, manganese, and cadmium. Furthermore, strain QYQ-1 has a robust iron uptake system. This expands the application range of strain QYQ-1, making it suitable not only for environmental remediation of PAHs-contaminated sites but also for potential use in environments contaminated with both heavy metals and PAHs.

Pseudomonas jessenii  /  polycyclic aromatic hydrocarbons  /  degradation  /  heavy metals  /  whole genome sequencing  /  genome analysis
秦银秋, 王乙橙, 张慕琦, 陈猷鹏. 高效多环芳烃降解菌Pseudomonas jessenii QYQ-1的分离、鉴定及基因组分析. 中国环境科学, 2025 , 45 (9) : 5163 -5175 .
Yin-qiu QIN, Yi-cheng WANG, Mu-qi ZHANG, You-peng CHEN. Isolation, identification and genome analysis of Pseudomonas jessenii QYQ-1, a highly efficient polycyclic aromatic hydrocarbon degrading bacterium[J]. China Environmental Science, 2025 , 45 (9) : 5163 -5175 .
  • 重庆市自然科学基金资助项目(CSTB2023NSCQ-LZX0095)
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  • 接收时间:2025-02-11
  • 首发时间:2026-10-08
  • 出版时间:2025-09-20
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  • 收稿日期:2025-02-11
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重庆市自然科学基金资助项目(CSTB2023NSCQ-LZX0095)
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    重庆大学环境与生态学院,重庆 400044

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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
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红菇属 Russula 17 8.13
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