Journal article
Genome-Wide Association Studies of Important Agronomic Traits in Brassica napus: What We Have Learned and Where We Are Headed
Annual Plant Reviews online, Vol.5(2), pp.151-180
02/05/2022
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Abstract
Oilseed rape (Brassica napus L.; B. napus) is one of the main oil crops in China as well as in the world. Genome-wide association studies (GWAS) have revolutionised the field of complex agronomic traits. in B. napus, these include seed yield and yield-related traits, seed oil content, and abiotic and biotic stress-tolerance traits over the past decade in which hundreds of thousands to millions of genetic variants across the genomes of hundreds of individuals have been tested to identify genotype-phenotype associations. In this review, we assess the current status of GWAS in terms of genotypes, phenotypes, statistical models, and candidate genes for these agronomic traits in B. napus. Post-G WAS, the combination of QTL mapping, transcriptomics, and new statistical methods, has allowed us to identify candidate genes associated with specific agronomic traits. In addition, we can use diverse populations, increase the population size, or look for rare variants and structural variations of B. napus by whole-genome sequencing to minimise the 'missing heritability' effects. These approaches are essential for uncovering the genetic mechanisms defining or regulating complex agronomic traits and the delivery of molecular marker-assisted breeding in B. napus to breed new varieties that are higher yielding but resilient to our changing climate.
Details
- Title
- Genome-Wide Association Studies of Important Agronomic Traits in Brassica napus: What We Have Learned and Where We Are Headed
- Creators
- Haijiang Liu - Huazhong Agricultural UniversityWei Wang - Huazhong Agricultural UniversityMeng Yang - Huazhong Agricultural UniversityPan Yuan - Huazhong Agricultural UniversityJohn P. Hammond - Southern Cross UniversityGraham J. King - Southern Cross UniversityGuangda Ding - Huazhong Agricultural UniversityPhilip J. White - Huazhong Agricultural UniversitySheliang Wang - Huazhong Agricultural UniversityHongmei Cai - Huazhong Agricultural UniversityChuang Wang - Huazhong Agricultural UniversityChungui Lu - Nottingham Trent UniversityFangsen Xu - Huazhong Agricultural UniversityLei Shi - Huazhong Agricultural University
- Publication Details
- Annual Plant Reviews online, Vol.5(2), pp.151-180
- Publisher
- Wiley
- Number of pages
- 30
- Grant note
- 32172662; 31972498 / National Nature Science Foundation of China; National Natural Science Foundation of China (NSFC) 2662019PY013 / Fundamental Research Funds for the Central Universities of China; Fundamental Research Funds for the Central Universities Rural and Environment Science and Analytical Services Division (RESAS) of the Scottish Government
- Identifiers
- 991013121011002368
- Copyright
- Copyright © 2022 by John Wiley & Sons, Ltd.
- Academic Unit
- Faculty of Science and Engineering; Science
- Language
- English
- Resource Type
- Journal article