Detoxification and Control of Mycotoxins in Plants

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 569

Special Issue Editors

Department of Plant Biology, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
Interests: aflatoxins; plant secondary metabolism; biocontrol

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Guest Editor
Departamento de Biomedicina, Biotecnología y Salud Pública, Laboratorio de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, 11510 Puerto Real, Spain
Interests: plant pathogens; pathogenic fungi; endophytic microorganisms; Botrytis cinerea; molecular biology of microorganisms
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Special Issue Information

Dear Colleagues,

Mycotoxins are secondary metabolites produced by molds that are toxic to vertebrates in low concentrations. The diseases caused by these fungal poisons are collectively known as mycotoxicosis. The most common route of exposure to mycotoxins is through the diet, from the consumption of contaminated plant-based foods or the consumption of animals that have eaten contaminated plant material. When mycotoxin-producing fungi contaminate food crops and are ingested by animals or humans they can cause a gamut of toxic responses that vary with the specific toxin. Nephropathy, various types of cancer, alimentary toxic aleukia, hepatic diseases, various hemorrhagic syndromes, and immune as well as neurological disorders are the most common diseases that can be related to mycotoxicosis. For the efficient prevention of mycotoxin contamination, we need to control mycotoxigenic fungi at their origin, on crop plants. To do this, it is essential to understand the interactions of plants and mycotoxigenic fungi. Thus, it is important to investigate the detoxification and control strategies in plants to reduce mycotoxin contamination.

Major mycotoxin-producing fungi include Aspergillus, Fusarium, and Penicillium species, and are found all over the world. For this Special Issue we are seeking contributions that expand on the knowledge that mycotoxins are produced before, during, or after harvest, or at any stage during the food chain. We encourage the submission of full or brief research papers and reviews concerning the most recent and exciting achievements in research areas dedicated to the following: 1) phylogenetic, “omics”, and other next-generation omics studies of toxin gene clusters in mycotoxigenic fungi that grow on plants or plant residues; 2) endogenous plant detoxification mechanisms for mycotoxin treatment or the discovery of plant-resistant genes; 3) control approaches of mycotoxins in agriculture; and 4) other relevant research findings concerning the detoxification and control of mycotoxins in plants and the effects of climate and environmental changes on mycotoxin accumulation.

Dr. Guohua Yin
Dr. Carlos Garrido
Guest Editors

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Keywords

  • detoxification mechanism
  • mycotoxin contamination
  • toxin gene cluster
  • resistant genes
  • phylogentic analysis
  • metabolic regulation

Published Papers (1 paper)

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Research

14 pages, 1677 KiB  
Article
Bt-Modified Transgenic Rice May Shift the Composition and Diversity of Rhizosphere Microbiota
by Qixing Huang, Yuliang Zhang, Yanhua Tan, Hua Kong, Yang Cao, Jungang Wang, Guohua Yin and Anping Guo
Plants 2024, 13(10), 1300; https://doi.org/10.3390/plants13101300 - 8 May 2024
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Abstract
Plants significantly shape root-associated microbiota, making rhizosphere microbes useful environmental indicator organisms for safety assessment. Here, we report the pyrosequencing of the bacterial 16S ribosomal RNA in rhizosphere soil samples collected from transgenic cry1Ab/cry1Ac Bt rice Huahui No. 1 (GM crop) and its [...] Read more.
Plants significantly shape root-associated microbiota, making rhizosphere microbes useful environmental indicator organisms for safety assessment. Here, we report the pyrosequencing of the bacterial 16S ribosomal RNA in rhizosphere soil samples collected from transgenic cry1Ab/cry1Ac Bt rice Huahui No. 1 (GM crop) and its parental counterpart, Minghui63. We identified a total of 2579 quantifiable bacterial operational taxonomic units (OTUs). Many treatment-enriched microbial OTUs were identified, including 14 NonGM-enriched OTUs and 10 GM-enriched OTUs. OTUs belonging to the phyla Proteobacteria, Actinobacteria, Acidobacteria, Firmicutes, Nitrospirae, Chlorobi and GN04 were identified as statistically different in abundance between GM and the other two treatments. Compared with the different impacts of different rice varieties on microbiota, the impact of rice planting on microbiota is more obvious. Furthermore, Huahui No. 1 transgenic Bt rice had a greater impact on the rhizosphere bacterial communities than Minghui63. Early developmental stages of the transgenic Bt rice had a significant impact on many Bacillaceae communities. Soil chemical properties were not significantly altered by the presence of transgenic Bt rice. The peak concentration level of Bt protein products was detected during the seedling stage of transgenic Bt rice, which may be an intriguing factor for bacterial diversity variations. Based on these findings, we conclude that transgenic Bt rice has a significant impact on root-associated bacteria. This information may be leveraged in future environmental safety assessments of transgenic Bt rice varieties. Full article
(This article belongs to the Special Issue Detoxification and Control of Mycotoxins in Plants)
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