Understanding of the Microbiome at the Genome Level

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 509

Special Issue Editors


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Guest Editor
School of Biological Sciences and Technology, Yangzhou University, Yangzhou, China
Interests: next-generation sequencing data analysis; microbiome; the interaction between the microbiome and the host and the interaction between the microbiome and specific microorganisms (such as pathogenic bacteria)
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
College of Animal Science and Technology, Yangzhou University, Yangzhou, China
Interests: next-generation sequencing data analysis; microbiome; the interaction between the microbiome and the host and the interaction between the microbiome and specific microorganisms (such as pathogenic bacteria)

Special Issue Information

Dear Colleagues,

A vast number of microorganisms populate host-associated environments, collectively forming microbiomes. These microbes can be broadly categorized as mutualists, pathogens, or commensals based on their interactions with the host. Mutualists play a crucial role in benefiting hosts, contributing to functions like nutrient absorption and resistance against pathogen invasion. Conversely, pathogens can induce specific diseases upon colonization. Notably, the invasion of certain pathogens can disrupt the balance of the microbiome, facilitating their infection process. Conversely, specific mutualists can mitigate and prevent pathogen invasion through direct antagonistic actions, modulation of host immune responses, and other mechanisms. A comprehensive understanding of how beneficial and pathogenic microbes interact with the host and other microorganisms is essential for developing microbiome manipulation strategies to enhance host health. As the Guest Editors of this Special Issue, we encourage the scientific community to submit contributions (original research articles, review articles, and short communications) in the following (but not exclusive) areas:

  1. Genomic research on microorganisms isolated (or recovered from metagenomic data) from the microbiomes.
  2. Genome-resolved inter-microbial interactions inside the microbiome
  3. Roles of beneficial- or pathogenicity-associated genes in the interactions of microbes with the microbiome
  4. The role of mycobiota and their interaction with bacteria
  5. The role of gut microbiota in stress (weaning stress, nutritional stress, heat stress, oxidative stress and etc.)

Prof. Dr. Yunzeng Zhang
Dr. Haoyu Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • beneficial
  • pathogenic
  • microbe
  • microbiome
  • interaction
  • genome
  • transcriptome
  • mycobiota
  • stress

Published Papers (1 paper)

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Research

16 pages, 2553 KiB  
Article
Bacillus velezensis YXDHD1-7 Prevents Early Blight Disease by Promoting Growth and Enhancing Defense Enzyme Activities in Tomato Plants
by Wangxi Li, Lili Sun, Hangtao Wu, Wenjie Gu, Yusheng Lu, Chong Liu, Jiexin Zhang, Wanling Li, Changmin Zhou, Haoyang Geng, Yaying Li, Huanlong Peng, Chaohong Shi, Dan Wang and Guixiang Peng
Microorganisms 2024, 12(5), 921; https://doi.org/10.3390/microorganisms12050921 - 30 Apr 2024
Viewed by 431
Abstract
Bacillus velezensis is well known as a plant growth-promoting rhizobacteria (PGPR) and biocontrol agent. Nevertheless, there are very few reports on the study of B. velezensis on tomato early blight, especially the biocontrol effects among different inoculation concentrations. In this study, an IAA-producing [...] Read more.
Bacillus velezensis is well known as a plant growth-promoting rhizobacteria (PGPR) and biocontrol agent. Nevertheless, there are very few reports on the study of B. velezensis on tomato early blight, especially the biocontrol effects among different inoculation concentrations. In this study, an IAA-producing strain, Bacillus velezensis YXDHD1-7 was isolated from the tomato rhizosphere soil, which had the strongest inhibitory effect against Alternaria solani. Inoculation with bacterial suspensions of this strain promoted the growth of tomato seedlings effectively. Furthermore, inoculations at 106, 107, and 108 cfu/mL resulted in control efficacies of 100%, 83.15%, and 69.90%, respectively. Genome sequencing showed that it possesses 22 gene clusters associated with the synthesis of antimicrobial metabolites and genes that are involved in the production of IAA. Furthermore, it may be able to produce spermidine and volatile compounds that also enhance plant growth and defense responses. Our results suggest that strain YXDHD1-7 prevents early blight disease by promoting growth and enhancing the defense enzyme activities in tomato plants. This strain is a promising candidate for an excellent microbial inoculant that can be used to enhance tomato production. Full article
(This article belongs to the Special Issue Understanding of the Microbiome at the Genome Level)
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