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Title: The role of water in plant-microbe interactions

Abstract

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.

Authors:
 [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.
Publication Date:
Research Org.:
Michigan State Univ., East Lansing, MI (United States). Dept. of Energy, Plant Research Lab.
Sponsoring Org.:
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
OSTI Identifier:
1603487
Alternate Identifier(s):
OSTI ID: 1416989
Grant/Contract Number:  
FG02-91ER20021; GBMF3037; GM109928; 2015-67017-23360; K99GM115766; 2017-67017-26180
Resource Type:
Accepted Manuscript
Journal Name:
The Plant Journal
Additional Journal Information:
Journal Volume: 93; Journal Issue: 4; Journal ID: ISSN 0960-7412
Publisher:
Society for Experimental Biology
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; high humidity; water-soaking; plant disease; plant immunity; stomata

Citation Formats

Aung, Kyaw, Jiang, Yanjuan, and He, Sheng Yang. The role of water in plant-microbe interactions. United States: N. p., 2017. Web. doi:10.1111/tpj.13795.
Aung, Kyaw, Jiang, Yanjuan, & He, Sheng Yang. The role of water in plant-microbe interactions. United States. doi:10.1111/tpj.13795.
Aung, Kyaw, Jiang, Yanjuan, and He, Sheng Yang. Tue . "The role of water in plant-microbe interactions". United States. doi:10.1111/tpj.13795. https://www.osti.gov/servlets/purl/1603487.
@article{osti_1603487,
title = {The role of water in plant-microbe interactions},
author = {Aung, Kyaw and Jiang, Yanjuan and He, Sheng Yang},
abstractNote = {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.},
doi = {10.1111/tpj.13795},
journal = {The Plant Journal},
number = 4,
volume = 93,
place = {United States},
year = {2017},
month = {12}
}

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