Omics for understanding the mechanisms of Streptomyces lydicus A01 promoting the growth of tomato seedlings

文献类型： 外文期刊

第一作者： Wu, Qiong

作者： Wu, Qiong;Ni, Mi;Liu, Wei-Cheng;Rao, Ying-Hong;Lu, Cai-Ge;Wu, Qiong;Chen, Jie;Ren, Jian-Hong

作者机构：

关键词： Growth promotion; Transcriptome; Metabolome; Regulatory mechanisms

期刊名称：PLANT AND SOIL （ 影响因子：4.192； 五年影响因子：4.712 ）

ISSN： 0032-079X

年卷期： 2018 年 431 卷 1-2 期

页码：

收录情况： SCI

摘要： Tomato is an important vegetable plant worldwide. Previously, we isolated a soilborne Actinobacteria species, Streptomyces lydicus A01, which promotes the growth of tomato seedlings. The related mechanisms are needed to study. RNA sequencing and gas chromatography-mass spectrometry were used reveal the global effect of S. lydicus A01 on tomato seedlings. Liquid chromatography-mass spectrometry was used to detect plant hormones in tomato seedlings during the growth-promotion procedure. After administration of S. lydicus A01, tomato seedlings exhibit more vigorous growth with more leaflets and improved photosynthesis. It was revealed that S. lydicus A01 has some effects on the basic metabolism of tomato seedlings. Meanwhile, the biosynthesis of secondary metabolites related to plant growth was regulated, including cutin, suberine, wax and flavonoid. Additionally, plant hormones including abscisic acid, salicylic acid and jasmonic acid were discovered to involve in the plant-growth-promoting activity of S. lydicus A01. This study revealed some growth-promoting mechanisms of tomato seedlings by S. lydicus A01, laying the groundwork for further research.

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