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Improved phyllosphere microbiome composition of tea plant with the application of small peptides in combination with rhamnolipid

文献类型： 外文期刊

作者： Chen, Hao 1 ; Song, Yujie 1 ; Wang, Shuangshuang 2 ; Fan, Kai 1 ; Wang, Hui 3 ; Mao, Yilin 1 ; Zhang, Jie 1 ; Xu, Yang 1 ; Yin, Xinyue 1 ; Wang, Yu 1 ; Ding, Zhaotang 2 ;

作者机构： 1.Qingdao Agr Univ, Tea Res Inst, Qingdao 266109, Peoples R China

2.Shandong Acad Agr Sci, Tea Res Inst, Jinan 250100, Peoples R China

3.Rizhao Tea Res Inst, Rizhao 276827, Peoples R China

关键词： Camellia sinensis (L.) O. Kuntze; Phyllosphere; Small peptides; Surfactants; Rhamnolipid; Microorganisms

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： Background Small peptides play a crucial role in plant growth and adaptation to the environment. Exogenous small peptides are often applied together with surfactants as foliar fertilizers, but the impact of small peptides and surfactants on the tea phyllosphere microbiome remains unknown. Results In this study, we investigated the effects of small peptides and different surfactants on the tea phyllosphere microbiome using 16S and ITS sequencing. Our results showed that the use of small peptides reduced the bacterial diversity of the tea phyllosphere microbiome and increased the fungal diversity, while the use of surfactants influenced the diversity of bacteria and fungi. Furthermore, the addition of rhamnolipid to small peptides significantly improved the tea phyllosphere microbiome community structure, making beneficial microorganisms such as Pseudomonas, Chryseobacterium, Meyerozyma, and Vishniacozyma dominant populations. Conclusion Our study suggests that the combined use of small peptides and surfactants can significantly modify the tea phyllosphere microbiome community structure, particularly for beneficial microorganisms closely related to tea plant health. Thus, this preliminary study offers initial insights that could guide the application of small peptides and surfactants in agricultural production, particularly with respect to their potential for modulating the phyllosphere microbiome community in tea plant management.

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