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Biology and Current–Prospective Methods for the Detection and Management of...
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Biology and Current–Prospective Methods for the Detection and Management of Plant Pathogens for Sustainable Agriculture

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 (30 October 2024) | Viewed by 3141

Special Issue Editors

Dr. Ajay Kumar Mishra

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Guest Editor
Group Leader, Khalifa Centre for Genetic Engineering & Biotechnology, United Arab Emirates University, Al Ain P.O. Box 1555, United Arab Emirates
Interests: mediator complex; biotic and abiotic resilience; small non-coding RNAs in abiotic and biotic stress; plant microbiome composition and functionalities
Special Issues, Collections and Topics in MDPI journals
Dr. Vishnu Nath

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Guest Editor
Khalifa Centre for Genetic Engineering & Biotechnology, United Arab Emirates University, Al Ain P.O. Box 1555, United Arab Emirates
Interests: plant–microbe interactions; non-coding RNAs in biotic and abiotic stress responses; plant mediator complex; abiotic stress resilience in plants
Dr. Sagarika Mishra

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Guest Editor
Khalifa Centre for Genetic Engineering & Biotechnology, United Arab Emirates University, Al Ain P.O. Box 1555, United Arab Emirates
Interests: abiotic stress resilience; sRNAs in abiotic stress response; transgenics

Special Issue Information

Dear Colleagues,

Detecting and subsequently managing plant pathogens (such as viruses, viroids, bacteria, phytoplasmas, fungi, fungus-like organisms, nematodes, etc.) is crucial for sustainable agriculture. Traditional techniques, such as crop rotation, the utilisation of resistant varieties, sanitation practices amalgamated with omics techniques (such as genomics, transcriptomics, proteomics, metabolomics, etc.), and genetic approaches (breeding for resistance and genetic engineering), can significantly contribute to the development of effective and sustainable strategies for plant pathogen control. These advanced techniques continue to drive innovations in agriculture, contributing to improved crop yields, reduced chemical inputs, and enhanced global food security.

By structuring a Special Issue in this realm, we aim to provide a comprehensive and cohesive overview of recent advancements in microbe identification and the application of multi-omics approaches, including genomics, transcriptomics, proteomics, and metabolomics, in unveiling the molecular mechanisms of pathogen defence in plants. Nevertheless, this Special Issue covers the potential implications of the development of novel antimicrobial strategies, pathogen genome and biotechnological innovations for mitigating the impact of plant diseases, improving crop productivity, and ensuring sustainable agricultural practices.

Dr. Ajay Kumar Mishra
Dr. Vishnu Sukumari Nath
Dr. Sagarika Mishra
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant pathogen
  • detection
  • identification
  • defence response
  • transcriptomics
  • proteomics
  • genomics
  • genome

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Published Papers (2 papers)

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Research

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19 pages, 1887 KiB  
Article
Do Organic Amendments Foster Only Beneficial Bacteria in Agroecosystems?: The Case of Bacillus paranthracis TSO55
by Ixchel Campos-Avelar, Amelia C. Montoya-Martínez, Alina Escalante-Beltrán, Fannie I. Parra-Cota and Sergio de los Santos Villalobos
Plants 2025, 14(7), 1019; https://doi.org/10.3390/plants14071019 - 25 Mar 2025
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Abstract
Bacterial strain TSO55 was isolated from a commercial field of wheat (Triticum turgidum L. subsp. durum), under organic amendments, located in the Yaqui Valley, Mexico. Morphological and microscopical characterization showed off-white irregular colonies and Gram-positive bacillus, respectively. The draft genome sequence [...] Read more.
Bacterial strain TSO55 was isolated from a commercial field of wheat (Triticum turgidum L. subsp. durum), under organic amendments, located in the Yaqui Valley, Mexico. Morphological and microscopical characterization showed off-white irregular colonies and Gram-positive bacillus, respectively. The draft genome sequence of this strain revealed a genomic size of 5,489,151 bp, with a G + C content of 35.21%, N50 value of 245,934 bp, L50 value of 8, and 85 contigs. Taxonomic affiliation showed that strain TSO55 belongs to Bacillus paranthracis, reported as an emergent human pathogen. Genome annotation identified 5743 and 5587 coding DNA sequences (CDSs), respectively, highlighting genes associated with indole production, phosphate and potassium solubilization, and iron acquisition. Further in silico analysis indicated the presence of three CDSs related to pathogenicity islands and a high pathogenic potential (77%), as well as the presence of multiple gene clusters related to antibiotic resistance. The in vitro evaluation of plant growth promotion traits was negative for indole production and phosphate and potassium solubilization, and it was positive but low (18%) for siderophore production. The biosynthetic gene cluster for bacillibactin (siderophore) biosynthesis was confirmed. Antifungal bioactivity of strain TSO55 evaluated against wheat pathogenic fungi (Alternaria alternata TF17, Bipolaris sorokiniana TPQ3, and Fusarium incarnatum TF14) showed minimal fungal inhibition. An antibiotic susceptibility assay indicated resistance to three of the six antibiotics evaluated, up to a concentration of 20 µg/mL. The beta hemolysis result on blood agar reinforced TSO55’s pathogenic potential. Inoculation of B. paranthracis TSO55 on wheat seedlings resulted in a significant decrease in root length (−8.4%), total plant height (−4.2%), root dry weight (−18.6%), stem dry weight (−11.1%), and total plant dry weight (−15.2%) compared to the control (uninoculated) treatment. This work highlights the importance of analyzing the microbiological safety of organic amendments before application. Comprehensive genome-based taxonomic affiliation and bioprospecting of microbial species introduced to the soil by organic agricultural practices and any microbial inoculant will prevent the introduction of dangerous species with non-beneficial traits for crops, which affect sustainability and generate potential health risks for plants and humans. Full article
(This article belongs to the Special Issue Biology and Current–Prospective Methods for the Detection and Management of Plant Pathogens for Sustainable Agriculture)
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Review

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20 pages, 2334 KiB  
Review
Geminiviruses and Food Security: A Molecular Genetics Perspective for Sustainable Agriculture in Africa
by Minenhle Felicia Zenda, Priscilla Masamba, Farhahna Allie and Abidemi Paul Kappo
Plants 2024, 13(19), 2768; https://doi.org/10.3390/plants13192768 - 2 Oct 2024
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Abstract
The African continent is vulnerable to food insecurity. Increased food costs, job losses, and climate change force Africans to chronic hunger. Biotechnology can be used to mitigate this by using techniques such as CRISPR/Cas9 systems, TALENs, and ZFNs. Biotechnology can utilize geminiviruses to [...] Read more.
The African continent is vulnerable to food insecurity. Increased food costs, job losses, and climate change force Africans to chronic hunger. Biotechnology can be used to mitigate this by using techniques such as CRISPR/Cas9 systems, TALENs, and ZFNs. Biotechnology can utilize geminiviruses to deliver the necessary reagents for precise genome alteration. Additionally, plants infected with geminiviruses can withstand harsher weather conditions such as drought. Therefore, this article discusses geminivirus replication and its use as beneficial plant DNA viruses. It focuses explicitly on genome editing to increase plant resistance by manipulating plants’ salicylic acid and jasmonic acid pathways. Full article
(This article belongs to the Special Issue Biology and Current–Prospective Methods for the Detection and Management of Plant Pathogens for Sustainable Agriculture)
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