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Genome analysis of a newly isolated Bacillus velezensis-YW01 for biodegrading acetaldehyde

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Abstract

Acetaldehyde (AL), a primary carcinogen, not only pollutes the environment, but also endangers human health after drinking alcohol. Here a promising bacterial strain was successfully isolated from a white wine cellar pool in the province of Shandong, China, and identified as Bacillus velezensis-YW01 with 16 S rDNA sequence. Using AL as sole carbon source, initial AL of 1 g/L could be completely biodegraded by YW01 within 84 h and the cell-free extracts of YW01 has also been detected to biodegrade the AL, which indicate that YW01 is a high-potential strain for the biodegradation of AL. The optimal culture conditions and the biodegradation of AL of YW01 are at pH 7.0 and 38 °C, respectively. To further analyze the biodegradation mechanism of AL, the whole genome of YW01 was sequenced. Genes ORF1040, ORF1814 and ORF0127 were revealed in KEGG, which encode for acetaldehyde dehydrogenase. Furthermore, ORF0881 and ORF052 encode for ethanol dehydrogenase. This work provides valuable information for exploring metabolic pathway of converting ethanol to AL and subsequently converting AL to carboxylic acid compounds, which opened up potential pathways for the development of microbial catalyst against AL.

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No datasets were generated or analysed during the current study.

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Funding

This study was funded by the National Key R&D Program of China (Grant No. 2022YFE0118800).

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Conceptualization: HY; Data Curation: JW, ZW and MS; Investigation: JW, ZW and CL; Methodology: YL; Project administration: HY and QX; Resources: HY; Supervision: HY and QX; Validation: JW, ZW and CL; Visualization: JW and ZW; Writing—Original Draft: JW and ZW; Writing—Review & Editing: HY. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Hai Yan.

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Wang, J., Wang, Z., Liu, C. et al. Genome analysis of a newly isolated Bacillus velezensis-YW01 for biodegrading acetaldehyde. Biodegradation (2024). https://doi.org/10.1007/s10532-024-10075-4

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  • DOI: https://doi.org/10.1007/s10532-024-10075-4

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