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乙酸对西瓜细菌性果斑病病原菌西瓜副嗜酸菌生物膜形成的影响

Effect of Acetic Acid on Biofilm Formation in Paracidovorax citrulli, Causal Agent of Bacterial Fruit Blotch.

作者信息

Yang Jincheng, Mao Liang, Gulfam Yousaf, Zeeshan Muhammad, Wang Xiaodong, Fan Ting

机构信息

Key Laboratory for Oasis Agricultural Pest Management and Plant Resource Utilization at Universities of Xinjiang Uygur Autonomous Region, Shihezi, China.

College of Agronomy, Shihezi University, Shihezi, China.

出版信息

J Basic Microbiol. 2024 Dec;64(12):e2400188. doi: 10.1002/jobm.202400188. Epub 2024 Oct 20.

DOI:10.1002/jobm.202400188
PMID:39428671
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11609493/
Abstract

The unique tissue structure of pathogenic bacteria biofilm plays an important role in its pathogenicity and bactericide resistance. Inhibition or destruction of biofilm formation of pathogenic bacteria is of great significance for the control of plant bacterial diseases. In this study, Paracidovorax citrulli was inoculated into KB medium containing acetic acid, and after shaking at 28°C and 55 r/min for 48 h, it was found that the content of extracellular polysaccharide, extracellular protein and extracellular DNA (eDNA) decreased with the increase of acetic acid concentration, which resulted in the decrease of biofilm formation, it is not even possible to form biofilms on plastic slides. When the final concentration of acetic acid in the culture medium was greater than or equal to 0.5 mg/mL, there was no biofilm on the plastic slides. Therefore, the use of acetic acid as an inhibitor of P. citrulli has a good potential for control of bacterial fruit blotch.

摘要

病原菌生物膜独特的组织结构在其致病性和抗杀菌剂方面发挥着重要作用。抑制或破坏病原菌生物膜的形成对于控制植物细菌病害具有重要意义。在本研究中，将西瓜嗜酸菌接种到含有乙酸的KB培养基中，于28℃、55 r/min振荡培养48 h后，发现随着乙酸浓度的增加，胞外多糖、胞外蛋白和胞外DNA（eDNA）的含量降低，这导致生物膜形成减少，甚至无法在载玻片上形成生物膜。当培养基中乙酸的终浓度大于或等于0.5 mg/mL时，载玻片上没有生物膜。因此，使用乙酸作为西瓜嗜酸菌的抑制剂在控制细菌性果斑病方面具有良好的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/51e63d33f144/JOBM-64-e2400188-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/940a0d59d016/JOBM-64-e2400188-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/3b8394c4f851/JOBM-64-e2400188-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/608dd89f8586/JOBM-64-e2400188-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/d42832d9fede/JOBM-64-e2400188-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/8a9a00f418ad/JOBM-64-e2400188-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/604fbb70a076/JOBM-64-e2400188-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/51e63d33f144/JOBM-64-e2400188-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/940a0d59d016/JOBM-64-e2400188-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/3b8394c4f851/JOBM-64-e2400188-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/608dd89f8586/JOBM-64-e2400188-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/d42832d9fede/JOBM-64-e2400188-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/8a9a00f418ad/JOBM-64-e2400188-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/604fbb70a076/JOBM-64-e2400188-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6bfb/11609493/51e63d33f144/JOBM-64-e2400188-g007.jpg

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