河北师范大学学报—

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刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
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吉氏贪铜菌T-1对几种环境激素耐受及修复特性研究

（阜阳师范大学生物与食品工程学院,阜阳 236037）
DOI： 10.13763/j.cnki.jhebnu.nse.202504006

Study on the Tolerance and Repair Characteristics of Cupriavidus gilardii T-1 to Several Environmental Hormones

YU Junjie, TIAN Wen, MA Junpo, TANG Jun

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摘要/Abstract

摘要：

随着工业的不断发展，大量的环境激素被释放到环境中，在获取暂时利益的同时，也造成大量污染.以分离于农药污染土壤中的吉氏贪铜菌T-1为对象，探究其对双酚A、双酚S和2,4-D的耐受、降解特性，及其对重金属镉的耐受、吸附水平.结果表明，吉氏贪铜菌T-1对双酚A和双酚S的最大耐受浓度分别可达到200 mg/L和400 mg/L，对重金属镉的最大耐受浓度为400 mg/L，对2,4-D最大耐受浓度可达1 500 mg/L；吉氏贪铜菌T-1对这几种环境激素存在耐受的同时也存在着修复功能，对于双酚A和双酚S的降解效果相对较差，同时，吉氏贪铜菌T-1对重金属镉存在吸附特性，在1.49 mg/L和3.58 mg/L的Cd²⁺溶液中吸附48 h，其对镉的吸附率分别为17.23%和25.01%.

Abstract：

With the continuous development of industry,a large number of environmental hormones are released into the environment,which causes a lot of pollution while obtaining temporary benefits.In this study,Cupriavidus gilardii T-1 isolated from pesticide-contaminated soil was used as the object to investigate its tolerance and degradation characteristics of bisphenol A,bisphenol S and 2,4-D,as well as its tolerance and adsorption level of cadmium.The results indicated that the maximum tolerable concentrations of C. gilardii T-1 against bisphenol A and bisphenol S could reach 200 mg/L and 400 mg/L,respectively,and the maximum tolerance concentrations were 400 mg/L to cadmium and could reach 1 500 mg/L to 2,4-D.Meanwhile, C. gilardii T-1 exhibited repair functions to these environmental hormones.The degradation effect of C. gilardii T-1 on bisphenol A and bisphenol S was relatively low.At the same time,the C. gilardii T-1 also showed adsorption characteristics for cadmium,and its cadmium adsorption rates were 17.23% and 25.01% in 1.49 mg/L and 3.58 mg/L Cd²⁺ solutions for 48 h,respectively.

关键词

关键词： 吉氏贪铜菌T-1 ; 环境激素 ; 耐受性 ; 修复特性

Key words： C. gilardii T-1； environmental hormone； tolerance； repair features

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