Microbiome homeostasis on rice leaves is regulated by a precursor molecule of lignin biosynthesis
文献类型： 外文期刊
作者： Su, Pin 1 ; Kang, Houxiang 3 ; Peng, Qianze 4 ; Wicaksono, Wisnu Adi 6 ; Berg, Gabriele 6 ; Liu, Zhuoxin 9 ; Ma, Jiejia 9 ; Zhang, Deyong 1 ; Cernava, Tomislav 6 ; Liu, Yong 1 ;
作者机构： 1.Hunan Acad Agr Sci, State Key Lab Hybrid Rice, Changsha 410125, Peoples R China
2.Hunan Acad Agr Sci, Inst Plant Protect, Changsha 410125, Peoples R China
3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
4.Natl Ctr Technol Innovat Saline Alkali Tolerant R, Sanya 572024, Peoples R China
5.Hainan Univ, Coll Trop Crops, Haikou 570228, Hainan, Peoples R China
6.Graz Univ Technol, Inst Environm Biotechnol, A-8010 Graz, Austria
7.Leibniz Inst Agr Engn & Bioecon ATB, D-14469 Potsdam, Germany
8.Univ Potsdam, Inst Biochem & Biol, D-14476 Potsdam, Germany
9.Hunan Univ, Coll Biol, Longping Branch, Changsha 410082, Peoples R China
10.Univ Southampton, Fac Environm & Life Sci, Sch Biol Sci, Southampton SO17 1BJ, Hants, England
期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）
ISSN：
年卷期： 2024 年 15 卷 1 期
页码：
收录情况： SCI
摘要： In terrestrial ecosystems, plant leaves provide the largest biological habitat for highly diverse microbial communities, known as the phyllosphere microbiota. However, the underlying mechanisms of host-driven assembly of these ubiquitous communities remain largely elusive. Here, we conduct a large-scale and in-depth assessment of the rice phyllosphere microbiome aimed at identifying specific host-microbe links. A genome-wide association study reveals a strong association between the plant genotype and members of four bacterial orders, Pseudomonadales, Burkholderiales, Enterobacterales and Xanthomonadales. Some of the associations are specific to a distinct host genomic locus, pathway or even gene. The compound 4-hydroxycinnamic acid (4-HCA) is identified as the main driver for enrichment of bacteria belonging to Pseudomonadales. 4-HCA can be synthesized by the host plant's OsPAL02 from the phenylpropanoid biosynthesis pathway. A knockout mutant of OsPAL02 results in reduced Pseudomonadales abundance, dysbiosis of the phyllosphere microbiota and consequently higher susceptibility of rice plants to disease. Our study provides a direct link between a specific plant metabolite and rice phyllosphere homeostasis opening possibilities for new breeding strategies.
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