Microbiomes and Mycobiomes in Crop Health and Disease 2.0

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Microbiomes".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 929

Special Issue Editor


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Guest Editor
Department of Biochemistry, Molecular Biology, Plant Pathology and Entomology, Mississippi State University, Starkville, MS, USA
Interests: plant stress; transgenic plants; signaling pathways; protein-protein Interaction; protein-ligand interactions; proteome-wide analysis; genome-wide analysis
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Special Issue Information

Dear Colleagues,

Cooperation and competition among the members of a biome are forces that impact its structure, composition, and, ultimately, its equilibrium as a system. Plants harbor a complex habitat of fungal and bacterial communities whose stability is determined by intra- and interspecies interactions. Pathogen invasion and the subsequent multiplication in the host are known to disrupt healthy biomes. The concept of the 'pathobiome', introduced approximately ten years ago, aimed to energize the study of pathogens and disease processes within the larger context of microbial communities.

Although the impact of pathogens on human and animal biomes has been extensively explored, we only have a limited understanding of how a healthy plant biome transitions to a pathobiome under pathogenic pressure. Recent studies regarding crop plants' biomes challenge Koch and Hill's 'one microbe – one disease' postulate by suggesting that interactions between pathogens and healthy plant biomes can influence or favor the development of diseases.

This Special Issue addresses the contribution of metagenomic approaches to emerging research questions raised through the study of pathogens within the plant biotic environment. The topics explored include, but are not limited to, (1) defining the range of bacterial and fungal pathobionts, as well as the temporal dynamics of the transition to a diseased biome in diverse crop systems, and (2) understanding the impact of a pathogen on the 'microbe–microbe' relationships in a healthy biome, and how pathobionts may influence disease incidence and severity.

I look forward to receiving your contributions.

Dr. Sorina C. Popescu
Guest Editor

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Keywords

  • pathobiome
  • pathobiont
  • plant/crop disease
  • microbiome
  • mycobiome

Published Papers (1 paper)

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Research

19 pages, 13870 KiB  
Article
Deciphering Differences in Microbial Community Diversity between Clubroot-Diseased and Healthy Soils
by Huajun Kang, Ali Chai, Zihan Lin, Yanxia Shi, Xuewen Xie, Lei Li, Tengfei Fan, Sheng Xiang, Jianming Xie and Baoju Li
Microorganisms 2024, 12(2), 251; https://doi.org/10.3390/microorganisms12020251 - 25 Jan 2024
Cited by 1 | Viewed by 774
Abstract
Clubroot (Plasmodiophora brassicae) is an important soilborne disease that causes severe damage to cruciferous crops in China. This study aims to compare the differences in chemical properties and microbiomes between healthy and clubroot-diseased soils. To reveal the difference, we measured soil [...] Read more.
Clubroot (Plasmodiophora brassicae) is an important soilborne disease that causes severe damage to cruciferous crops in China. This study aims to compare the differences in chemical properties and microbiomes between healthy and clubroot-diseased soils. To reveal the difference, we measured soil chemical properties and microbial communities by sequencing 18S and 16S rRNA amplicons. The available potassium in the diseased soils was higher than in the healthy soils. The fungal diversity in the healthy soils was significantly higher than in the diseased soils. Ascomycota and Proteobacteria were the most dominant fungal phylum and bacteria phylum in all soil samples, respectively. Plant-beneficial microorganisms, such as Chaetomium and Sphingomonas, were more abundant in the healthy soils than in the diseased soils. Co-occurrence network analysis found that the healthy soil networks were more complex and stable than the diseased soils. The link number, network density, and clustering coefficient of the healthy soil networks were higher than those of the diseased soil networks. Our results indicate that the microbial community diversity and network structure of the clubroot-diseased soils were different from those of the healthy soils. This study is of great significance in exploring the biological control strategies of clubroot disease. Full article
(This article belongs to the Special Issue Microbiomes and Mycobiomes in Crop Health and Disease 2.0)
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