Evidence map›Paper›PMID 39587535›Full record

ArticleBMC plant biology2024

Genome-wide atlas of loci involved in chromosomal recombination in common wheat.

Yanchun Peng, Xinru Lyu, Dengan Xu, Zunjie Wang, Xianchun Xia, Yuanfeng Hao, Hongya Wu, Wujun Ma

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Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Yanchun Peng *Institute of Food Crops, Hubei Academy of Agricultural Sciences, Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement, Key Laboratory of Crop Molecular Breeding, Ministry of Agriculture and Rural Affairs, Wuhan, 430064, China.
Xinru Lyu *College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China.
Dengan XuCollege of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China.
Zunjie WangKey Laboratory of Wheat Biology and Genetic Improvement for Low & Middle Yangtze Valley, Ministry of Agriculture and Rural Affairs, Lixiahe Institute of Agricultural Sciences, Yangzhou, 225007, China.
Xianchun XiaInstitute of Crop Sciences, State Key Laboratory of Crop Gene Resources and Breeding, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
Yuanfeng HaoInstitute of Crop Sciences, State Key Laboratory of Crop Gene Resources and Breeding, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
Hongya WuKey Laboratory of Wheat Biology and Genetic Improvement for Low & Middle Yangtze Valley, Ministry of Agriculture and Rural Affairs, Lixiahe Institute of Agricultural Sciences, Yangzhou, 225007, China. 19962402@jaas.ac.cn.
Wujun MaCollege of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China. w.ma@murdoch.edu.au.

Funding

Open Research Fund of Anhui Provincial Key Laboratory of Crop Quality Improvement 2024ZW002the Joint Funds of the National Natural Science Foundation of China U22A20457the Key R&D Projects in Jiangsu Province: Breeding of New Varieties of High-Quality Green Weak Gluten Wheat BE202133the National Natural Science Foundation of China 31701506
6 · The paper itself

Abstract

Chromosomal recombination is a pivotal biological mechanism for generating novel genetic diversity, essential for plant breeding and genetic research endeavors. This study investigated the genetic loci involved in chromosomal recombination through analyzing five published recombinant inbred line (RIL) populations and four double haploid (DH) populations. Great phenotypic variations in recombination frequency were observed between populations and chromosomes. A total of 29 QTL were mapped, which were predominantly located on the B genome. Notably, one QTL on chromosome 6AL was identified from two RIL populations and one QTL on chromosome 3B was identified in both RIL and DH populations. Additionally, a map delineating recombination hotspot regions was developed, and these regions were observed on all chromosomes except for 6B. Recombination hotspot regions tended to locate on chromosomes 1D, 3A, 3B, 6A, and 7D compared to chromosomes 1B, 5B, and 6B. In addition, most hotspot regions were located at chromosome termini, with some clustering in specific regions. Besides genetic factors, the study also explored the impact of chip size and population type on the number of identifiable chromosomal recombination events. Overall, this work improves our understanding of the molecular mechanisms for the chromosomal recombination rate and may contribute to the optimization of breeding strategies in wheat.

Indexed as

Chromosomes, PlantGenome, PlantQuantitative Trait LociRecombination, GeneticTriticumChromosome MappingPlant BreedingChromosomal recombinationQTLRecombination hotspotWheat

Identifiers

PMID39587535
PMCPMC11590226

What Socratic holds

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LicenceCC BY-NC-ND
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.