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Plant Responses to Biotic and Abiotic Stresses

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: 15 April 2025 | Viewed by 714

Special Issue Editor


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Guest Editor
College of Resources, Sichuan Agricultural University, Chengdu, China
Interests: plant nutritional signaling and responses; redox homeostasis in plant cells; nitrate reductase biochemistry; ethylene signaling; circadian clock; photosynthetic and respiratory adaptations to nutritional stresses
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Special Issue Information

Dear Colleagues,

This Special Issue explores the intricate relationships within plant genomics and genetics, secondary metabolism, plant pharmacology, developmental biology, physiology, and pathology, particularly in the context of responses to biotic and abiotic stresses.  It also highlights important areas such as plant growth signaling, gene editing technologies, environmental remediation, molecular nutrition, and functional activity. Additionally, the impact of microorganisms and pathogens on plants is a critical aspect of biotic stress, influencing plant health and development through various mechanisms, including pathogen infection, changes in secondary metabolites, regulation of phytohormones, and modulation of gene expression.

Papers submitted to this Special Issue should present innovative research findings, new regulatory models, and the latest insights related to plant signaling, development, or stress responses.  The focus will be on the identification of new genes, enzymes, or metabolites, the discovery of novel signaling pathways, the interactions among phytohormones, and the characterization of gene regulation networks that contribute to plant growth specificity, alongside the interplay between environmental stressors, microbial interactions, and biochemical responses.

Prof. Dr. Shu Yuan
Guest Editor

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Keywords

  • plant enzymes and metabolites
  • abiotic stress
  • stress response
  • phytohormones
  • secondary metabolism
  • gene regulation network
  • developmental and environmental adaptation
  • microbial interactions
  • biotic stress
  • pathogen response

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Published Papers (1 paper)

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Research

16 pages, 2381 KiB  
Article
Genome-Wide Association Study and Marker Development for Fusarium Oxysporum Root Rot Resistance in Soybean
by Yuhe Wang, Jinfeng Han, Xiangkun Meng, Maolin Sun, Shuo Qu, Yuanyuan Liu, Yongguang Li, Yuhang Zhan, Weili Teng, Haiyan Li, Xue Zhao and Yingpeng Han
Int. J. Mol. Sci. 2024, 25(23), 12573; https://doi.org/10.3390/ijms252312573 - 22 Nov 2024
Viewed by 304
Abstract
Fusarium oxysporum root rot (FORR) is an important disease threatening soybean production. The development of marker-assisted selection (MAS) molecular markers will help accelerate the disease resistance breeding process and achieve the breeding goal of improving soybean disease resistance. This study evaluated the FORR [...] Read more.
Fusarium oxysporum root rot (FORR) is an important disease threatening soybean production. The development of marker-assisted selection (MAS) molecular markers will help accelerate the disease resistance breeding process and achieve the breeding goal of improving soybean disease resistance. This study evaluated the FORR disease resistance of 356 soybean germplasm accessions (SGAs) and screened resistance-related loci using genome-wide association analysis (GWAS) to develop molecular markers for MAS. A total of 1,355,930 high-quality SNPs were analyzed, 150 SNP sites significantly associated with FORR resistance were identified, and these sites were distributed within 41 QTLs. Additionally, 240 candidate genes were screened near these QTL regions, involving multiple functions such as hormone metabolism, signal transduction, stress defense, and growth regulation. Cleaved amplified polymorphic sequence (CAPS) and Kompetitive Allele-Specific PCR (KASP) molecular markers were developed based on candidate genes with significant SNP loci and beneficial haplotypes. The CAPS markers, S15_50486939-CAPS1 and S15_50452626-CAPS2, can effectively distinguish resistant and sensitive genotypes through enzyme digestion. The KASP marker is based on S07_19078765-G/T and exhibits a genotype clustering pattern consistent with disease resistance, demonstrating its application value in breeding. The CAPS and KASP markers developed in this study can provide reliable tools for MAS in FORR disease-resistant varieties. The research results will help reveal the genetic structure of FORR disease resistance and provide support for efficient breeding. Full article
(This article belongs to the Special Issue Plant Responses to Biotic and Abiotic Stresses)
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