Occurrence and Control of Plant Bacterial Diseases

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

Deadline for manuscript submissions: 28 February 2025 | Viewed by 1255

Special Issue Editors


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Guest Editor
College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
Interests: the development and utilization of new targets for green prevention and control of plant bacterial diseases
Special Issues, Collections and Topics in MDPI journals
Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
Interests: pathogenic and resistance mechanisms of bacteria

Special Issue Information

Dear Colleagues,

Plant bacterial diseases pose significant threats to agricultural productivity worldwide. These diseases are caused by various pathogenic bacteria that can infect different parts of the plant, leading to symptoms such as wilting, leaf spots, necrosis, and reduced yield. Managing and controlling plant bacterial diseases is crucial to ensuring food security and sustaining agricultural economies. This Special Issue will cover a wide variety of areas, aiming to contribute to the overall knowledge of plant bacterial diseases from several aspects, such as:

Development of Novel Biocontrol Agents: Investigate and develop new biocontrol agents, such as beneficial bacteria or bacteriophages, for the management of specific plant bacterial diseases.

Epidemiological Studies and Disease Forecasting: Conduct epidemiological studies to understand the spread and dynamics of bacterial diseases in different agricultural systems and develop models for predicting disease outbreaks to enhance early detection and management.

Antibiotic Alternatives for Disease Control: Investigate alternative compounds and substances that can replace or reduce the reliance on antibiotics for controlling bacterial diseases in plants, considering concerns related to antibiotic resistance.

Understanding Host–Pathogen Interactions: Investigate the molecular and cellular mechanisms underlying plant–pathogen interactions to identify potential targets for disease control and to gain insights into the development of resistant crops.

Climate Change Impact on Disease Dynamics: Study the impact of climate change on the occurrence and severity of bacterial diseases in plants and develop adaptation strategies for agriculture to mitigate climate-related disease risks.

Effectiveness of Plant Extracts and Essential Oils: Evaluate the efficacy of plant extracts and essential oils with antimicrobial properties as potential alternatives for controlling bacterial diseases in crops, considering their environmental and economic sustainability.

Dr. Xiaolong Shao
Dr. Zeling Xu
Guest Editors

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Keywords

  • plant bacterial diseases
  • bacterial pathogens
  • epidemiology
  • disease control strategies
  • biological agents
  • host–pathogen interaction

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Published Papers (1 paper)

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Research

13 pages, 3444 KiB  
Article
A Mitogen-Activated Protein Kinase Pathway Is Required for Bacillus amyloliquefaciens PMB05 to Enhance Disease Resistance to Bacterial Soft Rot in Arabidopsis thaliana
by Ai-Ting Li, Shang-Kai Liu, Jia-Rong Li, Sabrina Diana Blanco, Hsin-Wei Tsai, Jia-Xin Xie, Yun-Chen Tsai, Yuh Tzean and Yi-Hsien Lin
Plants 2024, 13(18), 2591; https://doi.org/10.3390/plants13182591 - 16 Sep 2024
Viewed by 818
Abstract
When a plant is infected by a pathogen, endogenous immune responses are initiated. When the initiation of these defense responses is induced by a pathogen-associated molecular pattern (PAMP) of a pathogen, it is called PAMP-triggered immunity (PTI). Previous studies have shown that Bacillus [...] Read more.
When a plant is infected by a pathogen, endogenous immune responses are initiated. When the initiation of these defense responses is induced by a pathogen-associated molecular pattern (PAMP) of a pathogen, it is called PAMP-triggered immunity (PTI). Previous studies have shown that Bacillus amyloliquefaciens PMB05 can enhance PTI signals and improve disease control of bacterial soft rot and wilt in Arabidopsis thaliana. In the context of controlling bacterial wilt disease, the involvement of a mitogen-activated protein kinase (MAPK) signaling pathway has been established. Nevertheless, it remains unclear whether this pathway is also required for B. amyloliquefaciens PMB05 in controlling bacterial soft rot. In this study, A. thaliana ecotype Columbia (Col-0) and its mutants on a MAPK pathway-related pathway were used as a model and established that the ability of B. amyloliquefaciens PMB05 to control soft rot requires the participation of the MAPK pathway. Moreover, the enhancement of disease resistance by PMB05 is highly correlated with the activation of reactive oxygen species generation and stomata closure, rather than callose deposition. The spray inoculation method was used to illustrate that PMB05 can enhance stomatal closure, thereby restricting invasion by the soft rot bacterium. This control mechanism has also been demonstrated to require the activation of the MAPK pathway. This study demonstrates that B. amyloliquefaciens PMB05 can accelerate stomata closure via the activation of the MAPK pathway during PTI, thereby reducing pathogen invasion and achieving disease resistance against bacterial soft rot. Full article
(This article belongs to the Special Issue Occurrence and Control of Plant Bacterial Diseases)
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