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Mining of Stress-Resistance Gene in Wheat
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Mining of Stress-Resistance Gene in Wheat

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: 30 December 2024 | Viewed by 2667

Special Issue Editors

Dr. Weijun Zheng

E-Mail Website
Guest Editor
College of Agronomy, Northwest A&F University, Yangling 712100, China
Interests: wheat genetics and breeding; gene mapping and cloning
Prof. Dr. Xiaojun Nie

E-Mail Website
Guest Editor
College of Agronomy, Northwest A&F University, Xianyang 712100, China
Interests: plant genomics; molecular mechanism underlying abiotic stress tolerance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wheat is one of the most important staple cereal crops all over the world, providing approximately 20% of calories for human consumption with a total production of more than 600 million tonnes annually. Due to global climate change, abiotic stress is becoming the main limiting factor for wheat production, including drought, high/low temperatures and salt stresses. Plants have evolved sophisticated defense systems to cope with these abiotic stresses in the long-term adaptation process. Mining and utilization of stress-resistance genes holds the promise for breeding wheat varieties with the stress resilience to overcome the challenge of global food security due to climate change and population booming.

This Special Issue entitled “Mining of Stress-Resistance Gene in Wheat” will include papers that focus on the study of exploring stress-resistance genes in wheat; these will include, but are not limited to, the mapping and cloning of genes associating with abiotic stresses (via QTL mapping, genome-wide association studies, transcriptome-wide association studies, etc.), and functional validation as well as decipher the genetic basis and potential mechanisms underlying stress resistance based on multi-omics studies (RNA-seq, sRNA, proteome, metabolome, etc.). Bioinformatics papers, up-to-date review articles and commentaries are also welcome. 

Dr. Weijun Zheng
Dr. Xiaojun Nie
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

  • wheat
  • abiotic stresses (drought, salt, chilling, cold and so on)
  • genes associated with stress resistance
  • genetic mapping
  • GWAS
  • molecular cloning
  • functional validation

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Published Papers (1 paper)

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Research

14 pages, 3762 KiB  
Article
RNA-Seq-Based WGCNA and Association Analysis Reveal the Key Regulatory Module and Genes Responding to Salt Stress in Wheat Roots
by Jiating Chen, Lei Zhang, Yingxi Liu, Xinyao Shen, Yujing Guo, Xiaofei Ma, Xiaojun Zhang, Xin Li, Tianling Cheng, Huiqin Wen, Linyi Qiao and Zhijian Chang
Plants 2024, 13(2), 274; https://doi.org/10.3390/plants13020274 - 17 Jan 2024
Cited by 5 | Viewed by 2196
Abstract
Soil salinization is the main abiotic stressor faced by crops. An improved understanding of the transcriptional response to salt stress in roots, the organ directly exposed to a high salinity environment, can inform breeding strategies to enhance tolerance and increase crop yield. Here, [...] Read more.
Soil salinization is the main abiotic stressor faced by crops. An improved understanding of the transcriptional response to salt stress in roots, the organ directly exposed to a high salinity environment, can inform breeding strategies to enhance tolerance and increase crop yield. Here, RNA-sequencing was performed on the roots of salt-tolerant wheat breeding line CH7034 at 0, 1, 6, 24, and 48 h after NaCl treatment. Based on transcriptome data, a weighted gene co-expression network analysis (WGCNA) was constructed, and five gene co-expression modules were obtained, of which the blue module was correlated with the time course of salt stress at 1 and 48 h. Two GO terms containing 249 differentially expressed genes (DEGs) related to osmotic stress response and salt-stress response were enriched in the blue module. These DEGs were subsequently used for association analysis with a set of wheat germplasm resources, and the results showed that four genes, namely a Walls Are Thin 1-related gene (TaWAT), an aquaporin gene (TaAQP), a glutathione S-transfer gene (TaGST), and a zinc finger gene (TaZFP), were associated with the root salt-tolerance phenotype. Using the four candidate genes as hub genes, a co-expression network was constructed with another 20 DEGs with edge weights greater than 0.6. The network showed that TaWAT and TaAQP were mainly co-expressed with fifteen interacting DEGs 1 h after salt treatment, while TaGST and TaZFP were mainly co-expressed with five interacting DEGs 48 h after salt treatment. This study provides key modules and candidate genes for understanding the salt-stress response mechanism in wheat roots. Full article
(This article belongs to the Special Issue Mining of Stress-Resistance Gene in Wheat)
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