Abstract
Triadimefon, a type of triazole systemic fungicide, has been extensively used to control various fungal diseases. However, triadimefon could lead to severe environmental pollution, and even threatens human health. To eliminate triadimefon residues, a triadimefon-degrading bacterial strain TY18 was isolated from a long-term polluted site and was identified as Enterobacter hormaechei. Strain TY18 could grow well in a carbon salt medium with triadimefon as the sole nitrogen source, and could efficiently degrade triadimefon. Under triadimefon stress, a total of 430 differentially expressed genes (DEGs), including 197 up-regulated and 233 down-regulated DEGs, were identified in strain TY18 using transcriptome sequencing (RNA-Seq). Functional classification and enrichment analysis revealed that these DEGs were mainly related to amino acid transport and metabolism, carbohydrate transport and metabolism, small molecule and pyrimidine metabolism. Interestingly, the DEGs encoding monooxygenase and hydrolase activity acting on carbon–nitrogen were highly up-regulated, might be mainly responsible for the metabolism in triadimefon. Our findings in this work suggest that strain E. hormaechei TY18 could efficiently degrade triadimefon for the first time. They provide a great potential to manage triadimefon biodegradation in the environment successfully.
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The raw RNA-seq data were deposited in NCBI Sequence Read Archive database under BioProject accession number PRJNA923466.
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References
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Acknowledgements
This work was supported by Basic Research Program Project of Shanxi Province (20210302123405), Scientific Research cultivation and Innovation Project of Plant Protection College, Shanxi Agricultural University (ZBXY23B-3), Science and Technology Innovation Projects of Universities in Shanxi Province (2021L102), the Earmarked Fund for Modern Agro-industry Technology Research System (2021-11).
Funding
Funding was provided by Scientific Research cultivation and Innovation Project of Plant Protection College, Shanxi Agricultural Universit (Granty No. ZBXY23B-3), Basic Research Program Project of Shanxi Province (Grant No. 20210302123405), Science and Technology Innovation Projects of Universities in Shanxi Province (Grant No. 2021L102), the Earmarked Fund for Modern Agro-industry Technology Research System (Grant No. 2021-11).
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YW conceived and planned this work, drafted the manuscript. QG, JW and XZ contributed to the transcriptome sequencing. JL and WF performed the detection method. RZ analyzed the experimental results. CW supervised the experiments, and revised the manuscript. All authors read and approved the manuscript.
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Wang, Y., Guan, Q., Jiao, W. et al. Isolation, identification and transcriptome analysis of triadimefon-degrading strain Enterobacter hormaechei TY18. Biodegradation (2024). https://doi.org/10.1007/s10532-024-10076-3
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DOI: https://doi.org/10.1007/s10532-024-10076-3