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Pulsed electric field treatment of seeds altered the endophytic bacterial community and promotes early growth of roots in buckwheat

文献类型： 外文期刊

作者： Qu, Hao 1 ; Wang, Yi 1 ; Wang, Baijuan 2 ; Li, Chengyun 1 ;

作者机构： 1.Yunnan Agr Univ, State Key Lab Conservat & Utilizat Bioresources Yu, Kunming, Peoples R China

2.Yunnan Agr Univ, Coll Tea Sci, Kunming, Peoples R China

3.Yunnan Acad Agr Sci, Tea Res Inst, Menghai, Peoples R China

4.Yunnan Agr Univ, Yunnan CABI Joint Lab Integrated Prevent & Control, Kunming, Peoples R China

关键词： Buckwheat; Pulsed electric field; Endophytic; Bacteria; Root

期刊名称：BMC MICROBIOLOGY （ 影响因子：4.2； 五年影响因子：4.7 ）

ISSN： 1471-2180

年卷期： 2023 年 23 卷 1 期

页码：

收录情况： SCI

摘要： BackgroundEndophytic bacteria provide nutrients and stimulate systemic resistance during seed germination and plant growth and development, and their functional properties in combating various stresses make them a powerful tool in green agricultural production. In this paper we explored the function of the endophyte community in buckwheat seeds in order to provide a theoretical basis for the application and scientific research of endophytes in buckwheat cultivation. We used pulsed electric field (PEF) technology to treat buckwheat seeds, monitored the effect of high-voltage pulse treatment on buckwheat seed germination, and analyzed the diversity of endophytic bacteria in buckwheat seeds using the amplicon sequencing method.ResultsPEF treatment promoted root development during buckwheat seed germination. A total of 350 Operational taxonomic units (OTUs) that were assigned into 103 genera were obtained from control and treatment groups using 16SrRNA amplicon sequencing technology. Additionally, PEF treatment also caused a significant decrease in the abundance of Actinobacteria, Proteobacteria, and Bacteroidetes. The abundance of 28 genera changed significantly as well: 11 genera were more abundant, and 17 were less abundant. The number of associated network edges was reduced from 980 to 117, the number of positive correlations decreased by 89.1%, and the number of negative correlations decreased by 86.6%.ConclusionPEF treatment promoted early root development in buckwheat and was able to alter the seed endophytic bacterial community. This study thus makes a significant contribution to the field of endophyte research and to the application of PEF technology in plant cultivation.

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