Functional Analysis of Important Agronomic Trait Genes 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: 31 August 2024 | Viewed by 775

Special Issue Editors


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Guest Editor
National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: wheat; DNA methylation; plant development; transgene; multi-omics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan 250100, China
Interests: wheat; QTL; gene function; genetic breeding

Special Issue Information

Dear Colleagues,

Wheat (Triticum aestivum) is the most important staple crop for more than 35% of the world’s population. Exploiting the important agronomic trait genes and functions of genes could create opportunities to improve wheat products for safeguarding food security. In addition, the study of wheat important agronomic trait genes has given us important insights into the control of wheat yield and quality and had a significant positive impact on the improvement in yield and quality in wheat. This Special Issue of Plants aims to highlight the function of important agronomic trait genes in wheats and their role in the interactions of wheat with the environment.

Dr. Shuaifeng Geng
Prof. Dr. Xinyou Cao
Guest Editors

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Keywords

  • gene
  • functional
  • agronomic traits
  • wheat

Published Papers (1 paper)

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Research

14 pages, 3327 KiB  
Article
Comprehensive Comparative Analysis of the JAZ Gene Family in Common Wheat (Triticum aestivum) and Its D-Subgenome Donor Aegilops tauschii
by Zhiwen Zhai, Yuqing Che, Shuaifeng Geng, Shaoshuai Liu, Shuqin Zhang, Dada Cui, Zhongyin Deng, Mingxue Fu, Yang Li, Xinyu Zou, Jun Liu, Aili Li and Long Mao
Plants 2024, 13(9), 1259; https://doi.org/10.3390/plants13091259 - 30 Apr 2024
Viewed by 565
Abstract
JASMONATE-ZIM DOMAIN (JAZ) repressor proteins work as co-receptors in the jasmonic acid (JA) signalling pathway and are essential for plant development and environmental adaptation. Despite wheat being one of the main staple food crops, until recently, comprehensive analysis of its JAZ gene family [...] Read more.
JASMONATE-ZIM DOMAIN (JAZ) repressor proteins work as co-receptors in the jasmonic acid (JA) signalling pathway and are essential for plant development and environmental adaptation. Despite wheat being one of the main staple food crops, until recently, comprehensive analysis of its JAZ gene family has been limited due to the lack of complete and high-quality reference genomes. Here, using the latest reference genome, we identified 17 JAZ genes in the wheat D-genome donor Aegilops tauschii. Then, 54 TaJAZs were identified in common wheat. A systematic examination of the gene structures, conserved protein domains, and phylogenetic relationships of this gene family was performed. Five new JAZ genes were identified as being derived from tandem duplication after wheat divergence from other species. We integrated RNA-seq data and yield QTL information and found that tandemly duplicated TaJAZ genes were prone to association with spike-related traits. Moreover, 12 TaJAZ genes were located within breeding selection sweeps, including 9 tandemly duplicated ones. Haplotype variation analysis of selected JAZ genes showed significant association of TaJAZ7A and TaJAZ13A with thousand-grain weight. Our work provides a clearer picture of wheat JAZ gene evolution and puts forward the possibility of using these genes for wheat yield improvement. Full article
(This article belongs to the Special Issue Functional Analysis of Important Agronomic Trait Genes in Wheat)
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