Antibiotic feeding changes the bacterial community of Chilo suppressalis and thereby affects its pesticide tolerance
文献类型： 外文期刊
第一作者： Xia, Xue
作者： Xia, Xue;Liu, Bing-Qian;Yu, Pei-Han;Yu, Zheng-Ping;Zhang, Ru;Luo, Guang-Hua;Fang, Ji-Chao;Liu, Bing-Qian;Yu, Pei-Han;Yu, Zheng-Ping;Luo, Guang-Hua
作者机构：
关键词： Antibiotic; Symbiotic microorganism; Chilo suppressalis; Pesticide tolerance
期刊名称：BMC MICROBIOLOGY （ 影响因子：4.0； 五年影响因子：4.6 ）
ISSN： 1471-2180
年卷期： 2024 年 24 卷 1 期
页码：
收录情况： SCI
摘要： Background Owing to the widespread use of chemical pesticides to control agricultural pests, pesticide tolerance has become a serious problem. In recent years, it has been found that symbiotic bacteria are related to pesticides tolerance. To investigate the potential role of microorganisms in the pesticide tolerance of Chilo suppressalis, this study was conducted. Results The insect was fed with tetracycline and cefixime as the treatment group (TET and CFM, respectively), and did not add antibiotics in the control groups (CK). The 16S rDNA sequencing results showed that antibiotics reduced the diversity of C. suppressalis symbiotic microorganisms but did not affect their growth and development. In bioassays of the three C. suppressalis groups (TET, CFM, and CK), a 72 h LC50 fitting curve was calculated to determine whether long-term antibiotic feeding leads to a decrease in pesticide resistance. The CK group of C. suppressalis was used to determine the direct effect of antibiotics on pesticide tolerance using a mixture of antibiotics and pesticides. Indirect evidence suggests that antibiotics themselves did not affect the pesticide tolerance of C. suppressalis. The results confirmed that feeding C. suppressalis cefixime led to a decrease in the expression of potential tolerance genes to chlorantraniliprole. Conclusions This study reveals the impact of antibiotic induced changes in symbiotic microorganisms on the pesticide tolerance of C. suppressalis, laying the foundation for studying the interaction between C. suppressalis and microorganisms, and also providing new ideas for the prevention and control of C. suppressalis and the creation of new pesticides.
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