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Sci Rep


Title:Mitigation of tobacco bacteria wilt with microbial degradation of phenolic allelochemicals
Author(s):Chang X; Wang Y; Sun J; Xiang H; Yang Y; Chen S; Yu J; Yang C;
Address:"State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, Wuhan, 430062, China. Tobacco Research Institute of Hubei Province, Wuhan, 430030, China. Tobacco Research Institute of Hubei Province, Wuhan, 430030, China. yujun80324@163.com. Tobacco Research Institute of Hubei Province, Wuhan, 430030, China. ycl193737@163.com"
Journal Title:Sci Rep
Year:2022
Volume:20221201
Issue:1
Page Number:20716 -
DOI: 10.1038/s41598-022-25142-0
ISSN/ISBN:2045-2322 (Electronic) 2045-2322 (Linking)
Abstract:"Long-term continuous monoculture cropping of tobacco leads to high incidence of tobacco bacterial wilt (TBW) caused by Ralstonia solanacearum, which threatening world tobacco production and causing great economy loss. In this study, a safe and effective way to control TBW by microbial degradation of phenolic allelochemicals (PAs) was explored. Eleven kinds of PAs were identified from continuous tobacco cropping soil. These PAs exhibited various effects on the growth, chemotaxis and biofilm formation of R. solanacearum. Then we isolated eight strains of Bacillus, one strain of Brucella, one strain of Enterobacter and one strain of Stenotrophomonas capable of degrading these PAs. The results of degradation assay showed that these isolated strains could degrade PAs both in culture solutions and soil. Besides, the incidence of TBW caused by R. solanacearum and deteriorated by PAs were significantly decreased by treating with these degrading strains. Furthermore, six out of eleven isolated strains were combined to degrade all the identified PAs and ultimately sharply reduced the incidence of TBW by 61.44% in pot experiment. In addition, the combined degrading bacteria could promote the plant growth and defense response. This study will provide a promising strategy for TBW control in tobacco production"
Keywords:*Tobacco *Pheromones Tobacco Use Phenols Soil Enterobacter;
Notes:"MedlineChang, Xiaohan Wang, Yi Sun, Jingguo Xiang, Haibo Yang, Yong Chen, Shouwen Yu, Jun Yang, Chunlei eng Research Support, Non-U.S. Gov't England 2022/12/02 Sci Rep. 2022 Dec 1; 12(1):20716. doi: 10.1038/s41598-022-25142-0"

 
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Citation: El-Sayed AM 2024. The Pherobase: Database of Pheromones and Semiochemicals. <http://www.pherobase.com>.
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