Characterization of three new plant growth-promoting microbes and effects of the interkingdom interactions on plant growth and disease prevention

文献类型： 外文期刊

第一作者： Tian, Yuan

作者： Tian, Yuan;Liu, Yang;Uwaremwe, Constantine;Zhao, Xia;Yue, Liang;Zhou, Qin;Wang, Ruoyu;Tian, Yuan;Tian, Yuan;Liu, Yang;Uwaremwe, Constantine;Zhao, Xia;Yue, Liang;Zhou, Qin;Wang, Yun;Wang, Ruoyu;Wang, Yun;Tran, Lam-Son Phan;Li, Weiqiang;Chen, Gaofeng;Sha, Yuexia

作者机构：

关键词： Arabidopsis thaliana; Disease resistance; Growth promotion; Plant growth-promoting microbe consortia; Solanum lycopersicum; Volatile organic compounds

期刊名称：PLANT CELL REPORTS （ 影响因子：6.2； 五年影响因子：5.9 ）

ISSN： 0721-7714

年卷期： 2023 年 42 卷 11 期

页码：

收录情况： SCI

摘要： Plant growth-promoting microbes (PGPMs) play important roles in promoting plant growth and bio-controlling of pathogens. Much information reveals that the plant growth-promoting ability of individual PGPM affects plant growth. However, the effects of the PGPM consortia properties on plant growth remain largely unexplored. Here, we characterized three new PGPM strains including Rhodotorula graminis JJ10.1 (termed as J), Pseudomonas psychrotolerans YY7 (termed as Y) and P. chlororaphis T8 (termed as T), and assessed their effects in combination with Bacillus amyloliquefaciens FZB42 (termed as F) on plant growth promotion and disease prevention in Arabidopsis thaliana and tomato (Solanum lycopersicum) plants by investigating morphological changes, whole-genome sequencing and plant growth promoting (PGP) characterization. Results revealed that the three new strains R. graminis JJ10.1, P. psychrotolerans YY7 and P. chlororaphis T8 had the potential for being combined with B. amyloliquefaciens FZB42 to form interkingdom PGPM consortia. The combinations of R. graminis JJ10.1, B. amyloliquefaciens FZB42, and P. psychrotolerans YY7, i. e. JF and JYF, exhibited the strongest ability of synergetic biofilm production. Furthermore, the growth-promotion abilities of the consortia were significantly enhanced compared with those of individual strains under both inoculation and volatile organic compounds (VOCs) treatment. Importantly, the consortia showed stronger abilities of in planta disease prevention than individual strains. Findings of our study may provide future guidance for engineering the minimal microbiome communities to improve plant growth and/or disease resistance in sustainable agriculture.

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