您好,欢迎访问广东省农业科学院 机构知识库!

Pseudomonas aeruginosa improved the phytoremediation efficiency of ryegrass on nonylphenol-cadmium co-contaminated soil

文献类型: 外文期刊

作者: Shi, Guangyu 1 ; Hu, Jiayuan 1 ; Cheng, Yuanyuan 1 ; Shi, Weilin 1 ; Chen, Yan 3 ;

作者机构: 1.Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, Suzhou 215000, Peoples R China

2.Fujian Polytech Normal Univ, Fujian Prov Key Lab Coastal Basin Environm, Fuzhou 350000, Fujian, Peoples R China

3.Guangdong Acad Agr Sci, Inst Qual Stand & Monitoring Technol Agroprod, Guangzhou 510640, Peoples R China

关键词: Nonylphenol; Cadmium; Pseudomonas aeruginosa; Microbial community structure; Phytoremediation

期刊名称:ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH ( 影响因子:5.19; 五年影响因子:5.053 )

ISSN: 0944-1344

年卷期:

页码:

收录情况: SCI

摘要: The effect of Pseudomonas aeruginosa (P. aeruginosa) on the phytoremediation efficiency of ryegrass on soil contaminated with nonylphenol (NP) and cadmium (Cd) was investigated by pot experiments. Pseudomonas aeruginosa application stimulated the adsorption of Cd by ryegrass and facilitated the biodegradation of NP in the soil. Exogenous P. aeruginosa inoculation increased the activities of unease, dehydrogenase, and polyphenol oxidase in the soil of the T4 treatment by 38.5%, 50.0%, and 56.5% compared to that of the T2 treatment, respectively. There was a significant positive correlation between the activities of dehydrogenase and polyphenol oxidase and the NP removal rate (P < 0.001). The relative abundances of beneficial microorganisms (such as Sphingomonas, Lysobacter, Streptomyces, Chloroflexia, Deltaproteobacteria, and Alphaproteobacteria) were increased as a result of P. aeruginosa inoculation. These microorganisms play important roles in nutrient cycling, Cd adsorption, and NP degradation. Additionally, P. aeruginosa was not the dominate bacterial species at the end of the experiment. According to this study, P. aeruginosa application improved the phytoremediation efficiency of ryegrass on soil contaminated with NP and Cd, with a minimal risk of alien microbial invasion.

  • 相关文献
作者其他论文 更多>>