Characterization and low-temperature biodegradation mechanism of 17β -estradiol-degrading bacterial strain Rhodococcus sp. RCBS9
文献类型： 外文期刊
作者： Hao, Peng 1 ; Lv, Zongshuo 1 ; Pan, Hanyu 1 ; Zhang, Jingyi 1 ; Wang, Lixia 2 ; Zhu, Yanbin 3 ; Basang, Wangdui 3 ; Gao, Yunhang 1 ;
作者机构： 1.Jilin Agr Univ, Coll Vet Med, Changchun 130118, Peoples R China
2.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China
3.Tibet Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Med, Lhasa 850009, Peoples R China
关键词： 17 beta-estradiol; Biodegradation; Genomic analysis; Degradation pathway; Rhodococcus sp. RCBS9
期刊名称：ENVIRONMENTAL RESEARCH （ 影响因子：8.3； 五年影响因子：8.2 ）
ISSN： 0013-9351
年卷期： 2024 年 240 卷
页码：
收录情况： SCI
摘要： Steroidal estrogens residues in the environment can be a serious hazard to humans and animals and has been listed as group 1 carcinogens by World Health Organization (WHO). Microbial degradation is one of the effective strategies for the removal of such contaminants. In this study, a low-temperature degrading bacterial strain (Rhodococcus sp. RCBS9) was isolated from the soil of a dairy farm for 17 beta-estradiol (E2) degradation. The strain RCBS9 exhibited an efficient degradation potential at low temperatures. To lean how different factors influence E2 degradation, we have found a major role of intracellular enzymes in E2 degradation. Genomic and metab-olomic analyses have suggested potential degradation genes and four metabolic pathways. These findings pro-vide valuable strain resources for the low temperature bioremediation of E2 contamination and insights into E2 biodegradation mechanism.
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