期刊
MICROBIAL BIOTECHNOLOGY
卷 13, 期 5, 页码 1648-1672出版社
WILEY
DOI: 10.1111/1751-7915.13634
关键词
-
资金
- Plant Health and Environment division of the French National Research Institute for Agriculture, Food and the Environment (INRAE)
- Plant Biology and Breeding division of the French National Research Institute for Agriculture, Food and the Environment (INRAE)
The contribution of surrounding plant microbiota to disease development has led to the 'pathobiome' concept, which represents the interaction between the pathogen, the host plant and the associated biotic microbial community, resulting or not in plant disease. The aim herein is to understand how the soil microbial environment may influence the functions of a pathogen and its pathogenesis, and the molecular response of the plant to the infection, with a dual-RNAseq transcriptomics approach. We address this question usingBrassica napusandPlasmodiophora brassicae, the pathogen responsible for clubroot. A time-course experiment was conducted to study interactions betweenP. brassicae, twoB. napusgenotypes and three soils harbouring high, medium or low microbiota diversities and levels of richness. The soil microbial diversity levels had an impact on disease development (symptom levels and pathogen quantity). TheP. brassicaeandB. napustranscriptional patterns were modulated by these microbial diversities, these modulations being dependent on the host genotype plant and the kinetic time. The functional analysis of gene expressions allowed the identification of pathogen and plant host functions potentially involved in the change of plant disease level, such as pathogenicity-related genes (NUDIX effector) inP. brassicaeand plant defence-related genes (glucosinolate metabolism) inB. napus.
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