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Title: The role of water in plant-microbe interactions

Journal Article · · The Plant Journal
DOI:https://doi.org/10.1111/tpj.13795· OSTI ID:1603487
 [1];  [2];  [3]
  1. Michigan State Univ., East Lansing, MI (United States). Dept. of Energy, Plant Research Lab.
  2. Michigan State Univ., East Lansing, MI (United States). Dept. of Energy, Plant Research Lab.; Chinese Academy of Sciences (CAS), Kunming, Yunnan (China). Key Lab. of Tropical Plant Resources and Sustainable Use
  3. Michigan State Univ., East Lansing, MI (United States). Dept. of Energy, Plant Research Lab., Howard Hughes Medical Inst., and Plant Resilience Inst.

Plants are associated with various microorganisms throughout their life, including commensal, symbiotic and pathogenic microorganisms. Pathogens are genetically adapted to aggressively colonize and proliferate in host plants to cause disease. However, disease outbreaks occur only under permissive environmental conditions. The interplay between host, pathogen and environment is famously known as the “disease triangle”. Among the environmental factors, rainfall events, which often create a period of high atmospheric humidity, have repetitively been shown to promote disease outbreaks in plants, suggesting that water availability is crucial for pathogenesis. During pathogen infection, water-soaking spots on the infected leaves are frequently observed as an early symptom of disease. Recent studies showed that pathogenic bacteria dedicate specialized virulence proteins to create an aqueous living space inside the leaf apoplast under high humidity. Water availability in and likely associated other changes to the apoplastic environment can determine the success of potentially pathogenic microbes. These new findings reinforce the notion that the fight over water may be a major battleground between plants and pathogens. Here in this article, we will discuss the role of water availability on host-microbe interactions, with a focus on plant-bacterial interactions.

Research Organization:
Michigan State Univ., East Lansing, MI (United States). MSU-DOE Plant Research Laboratory
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Gordon and Betty Moore Foundation (GBMF); National Science Foundation of China; National Institute of General Medical Sciences; Department of Agriculture
Grant/Contract Number:
FG02-91ER20021; GBMF3037; GM109928; 2015-67017-23360; K99GM115766; 2017-67017-26180
OSTI ID:
1603487
Alternate ID(s):
OSTI ID: 1416989
Journal Information:
The Plant Journal, Vol. 93, Issue 4; ISSN 0960-7412
Publisher:
Society for Experimental BiologyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 76 works
Citation information provided by
Web of Science

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Cited By (7)

Exploring the Roles of Aquaporins in Plant–Microbe Interactions journal December 2018
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Plant biotic interactions: from conflict to collaboration journal February 2018
Genome-wide identification of Pseudomonas syringae genes required for fitness during colonization of the leaf surface and apoplast journal September 2019
The risk posed by Xanthomonas wilt disease of banana: Mapping of disease hotspots, fronts and vulnerable landscapes journal April 2019
Overview on the review articles published during the past 30 years relating to the potential climate change effects on plant pathogens and crop disease risks journal November 2019

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