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Molecular Characterization of Plant-Microbe Interactions

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 860

Special Issue Editor


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Guest Editor
Departamento Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Cadiz, Spain
Interests: plant pathogen; phytopathogenic fungi; phytotoxins; fungicide; biocatalyst; biomolecules; Botrytis cinerea; Eutypa lata
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Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of the previous Special Issue, Molecular Analysis of Plant–Pathogen Interaction.

Phytopathogenic microorganisms cause significant economic losses in crops around the world. The incidence of many of the diseases that they cause has increased in recent years, mainly due to the prohibition of the use of many effective chemical pesticides because of their harmful effects on other organisms and the environment.

The molecular mechanisms by which these microorganisms induce disease, as well as the biochemical interactions they establish with host plants, remain largely unexplored. Therefore, research on this topic can contribute to developing new methods for activating or enhancing the natural defenses of plants, as well as discovering new biochemical targets for environmentally friendly compounds that are effective against phytopathogenic microorganisms.

Prof. Dr. Cristina Pinedo-Rivilla
Guest Editor

Manuscript Submission Information

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Keywords

  • phytopathogen
  • plant pathology
  • phytopathogen fungi
  • phytopathogen bacteria
  • phytoalexins
  • plant defense
  • allelopathy
  • fungicides

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Published Papers (2 papers)

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Research

13 pages, 2953 KiB  
Article
The Analysis of the Glycosyltransferase Activity Gene Family in Gossypium hirsutum and Functional Verification of GTs Conferring Resistance to Verticillium Wilt
by Mingli Zhang, Fang Zhu, Guo Sun, Yingjie Mi, Xuekun Zhang, Sifeng Zhao, Yu Yu and Hui Xi
Int. J. Mol. Sci. 2025, 26(7), 3170; https://doi.org/10.3390/ijms26073170 - 29 Mar 2025
Viewed by 205
Abstract
Glycosyltransferases (GTs) play an important role in plant growth and development, as well as responses to biotic and abiotic stresses. However, the function of the GT family in cotton resistance to Verticillium wilt is limited. In the present study, transcriptome analysis [...] Read more.
Glycosyltransferases (GTs) play an important role in plant growth and development, as well as responses to biotic and abiotic stresses. However, the function of the GT family in cotton resistance to Verticillium wilt is limited. In the present study, transcriptome analysis revealed eight GTs upregulated in susceptible cotton varieties and downregulated in resistant cotton varieties during early Verticillium dahliae inoculation, indicating they were involved in regulating the infection of V. dahliae in cotton. Promoter analysis revealed a high prevalence of MeJA (methyl jasmonate) and ABA (abscisic acid)-related cis-acting elements among these GTs. Genome-wide and location analysis of the homologous genes showed that these GTs were relatively conserved in evolution. Furthermore, a Virus-Induced Gene Silencing (VIGS) experimental results demonstrated a reduction in disease resistance after GhGT61 silencing. These insights not only deepen our understanding of the GT family’s role in cotton, but also provide a foundation for future research on the disease resistance mechanisms of these genes. Full article
(This article belongs to the Special Issue Molecular Characterization of Plant-Microbe Interactions)
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15 pages, 2758 KiB  
Article
The Impact of Soybean Genotypes on Rhizosphere Microbial Dynamics and Nodulation Efficiency
by Doni Thingujam, Aqsa Majeed, Bala Subramanyam Sivarathri, Nisarga Kodadinne Narayana, Mohan K. Bista, Katie E. Cowart, Adelle J. Knight, Karolina M. Pajerowska-Mukhtar, Raju Bheemanahalli and M. Shahid Mukhtar
Int. J. Mol. Sci. 2025, 26(7), 2878; https://doi.org/10.3390/ijms26072878 - 21 Mar 2025
Viewed by 353
Abstract
Rhizosphere microbiome exerts a significant role in plant health, influencing nutrient availability, disease resistance, and overall plant growth. Establishing a robust and efficient nodulation process is essential for optimal nitrogen fixation in legumes like soybeans. Different soybean genotypes exhibit variations in their rhizosphere [...] Read more.
Rhizosphere microbiome exerts a significant role in plant health, influencing nutrient availability, disease resistance, and overall plant growth. Establishing a robust and efficient nodulation process is essential for optimal nitrogen fixation in legumes like soybeans. Different soybean genotypes exhibit variations in their rhizosphere microbiome, potentially impacting nitrogen fixation through nodulation. However, a detailed understanding of how specific soybean genotypes influence rhizosphere microbial communities and nodulation patterns remains limited. Our study aims to investigate the relationship between rhizosphere microbial abundance and plant growth in four soybean genotypes. We evaluated plant growth parameters, including biomass, leaf area, and stomatal conductance, and identified significant genotypic differences in nodulation. Specifically, genotypes PI 458505 and PI 603490 exhibited high levels of nodulation, while PI 605839A and PI 548400 displayed low nodulation. 16S rRNA gene amplicon sequencing revealed diverse bacterial communities in the rhizosphere, with Proteobacteria as the dominant phylum. High-nodulation genotypes harbored more diverse microbial communities enriched with Actinobacteria and Acidobacteriota, while low-nodulation genotypes showed higher abundances of Firmicutes and Planctomycetota. Alpha and beta diversity analyses confirmed distinct microbial community structures between high- and low-nodulation groups. Our findings suggest that the rhizosphere microbiome significantly influences soybean growth and nodulation, highlighting the potential for genotype-driven strategies to enhance plant-microbe interactions and improve soybean productivity. Full article
(This article belongs to the Special Issue Molecular Characterization of Plant-Microbe Interactions)
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