Plant–Microbe–Environment Interactions

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 2915

Special Issue Editors


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Guest Editor
Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
Interests: plant-microbe interactions; multitrophic interaction; plant-microbe signaling
College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
Interests: plant microbiome assembly; environmental adaptation; secondary metabolites synthesis; phyllosphere homeostasis; camellia sinensis
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Special Issue Information

Dear Colleagues,

In the ‘disease triangle’, the classic paradigm of plant pathology, the interaction between host plants and pathogens is well characterized, while the anthropogenic/environmental factors that affect pathogen–plant interactions in agroecosystems remain largely unexplored. Remarkably, emerging evidence also shows that the resident beneficial microbiota function as synergetic components of the innate immunity in their host plants, possibly the untapped subcomponent in the ‘disease triangle’. Revisiting the complex interaction among plants, microbiota (pathogenic, beneficial and commensal microorganisms) and the environment is expected to be carried out for a better understanding of the ‘disease triangle’. Moreover, the aforementioned interaction is also involved in regulating the fitness of plants to abiotic stress (low/high temperature, salinity, anthropogenic contaminants, etc.), despite the fact that the biological functions and regulatory mechanisms employed by beneficial microorganisms, and the genetic regulators used by plants to assemble beneficial microorganisms, are largely unknown. This Special Issue of Plants will highlight plant–microbe–environment interactions, parse the mechanism of plant–microbe interaction and the regulation of microbes on plant growth and stress resistance, reveal the molecular mechanism of pathogenic microorganisms, study the molecular basis of environmental factors affecting pathogenicity and explore how plant genetic regulators determine their selection/recruitment of beneficial microorganisms.

Prof. Dr. Mengcen Wang
Dr. Ping Xu
Guest Editors

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Keywords

  • plant–microbe–environment interactions
  • plant growth and development
  • microorganism
  • environmental factor
  • signal molecule
  • disease
  • molecular mechanism
  • genetic regulator

Published Papers (1 paper)

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Research

20 pages, 4514 KiB  
Article
Distribution and Biodiversity of Seed-Borne Pathogenic and Toxigenic Fungi of Maize in Egypt and Their Correlations with Weather Variables
by Yasser M. Shabana, Khalid M. Ghoneem, Younes M. Rashad, Nehal S. Arafat, Bruce D. L. Fitt, Benjamin Richard and Aiming Qi
Plants 2022, 11(18), 2347; https://doi.org/10.3390/plants11182347 - 8 Sep 2022
Cited by 3 | Viewed by 2187
Abstract
Studies of the biodiversity of plant pathogenic and toxigenic fungi are attracting great attention to improve the predictability of their epidemics and the development of their control programs. Two hundred maize grain samples were gathered from 25 maize-growing governorates in Egypt and 189 [...] Read more.
Studies of the biodiversity of plant pathogenic and toxigenic fungi are attracting great attention to improve the predictability of their epidemics and the development of their control programs. Two hundred maize grain samples were gathered from 25 maize-growing governorates in Egypt and 189 samples were processed for the isolation and identification of seed-borne fungal microbiome. Twenty-six fungal genera comprising 42 species were identified according to their morphological characteristics and ITS DNA sequence analysis. Occurrence and biodiversity indicators of these fungal species were calculated. Ustilago maydis, Alternaria alternata, Aspergillus flavus, A. niger, Penicillium spp., Cladosporium spp. and Fusarium verticillioides were the highly frequent (>90% for each), recording the highest relative abundance (˃50%). Al-Menia governorate showed the highest species diversity and richness, followed by Sohag, Al-Nobaria and New Valley governorates. Correlations of 18 fungal species with temperature, relative humidity, precipitation, wind speed, and solar radiation were analyzed using canonical correspondence analysis. Results showed that relative humidity, temperature, and wind speed, respectively, were the most impactful weather variables. However, the occurrence and distribution of these fungi were not clearly grouped into the distinctive climatic regions in which maize crops are grown. Monitoring the occurrence and distribution of the fungal pathogens of maize grains in Egypt will play an important role in predicting their outbreaks and developing appropriate future management strategies. The findings in this study may be useful to other maize-growing countries that have similar climatic conditions. Full article
(This article belongs to the Special Issue Plant–Microbe–Environment Interactions)
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