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Published on: August 12, 2019
[Linkage disequilibrium in plant genomes]
Rong-Huan Wang1, Tian-Yu Wang, Yu Li
1Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China. ronghuanwang@126.com
Linkage disequilibrium (LD) is crucial in plant genomics for gene discovery. Understanding LD helps connect genomics to phenomics, accelerating the identification of important genes in diverse plant species.
Area of Science:
- Plant genomics
- Population genetics
Context:
- Linkage disequilibrium (LD) is a key focus in plant genomics.
- LD mapping connects structural genomics to phenomics for gene discovery.
- Research on LD in plants began in 2001 and has expanded across species.
Purpose:
- Review the theory and applications of LD in plant genomics.
- Discuss advances in LD research, including population structure and gene interactions.
- Explore future prospects for LD research in plant gene discovery.
Summary:
- This paper reviews the fundamental theory of linkage disequilibrium (LD) and its applications in plant genomics.
- It covers LD mapping, haplotype diversity analysis, htSNP identification, and population genetics.
- Advances such as population structure, gene conversion, epistasis, and GxE interactions are discussed, alongside future prospects.
Impact:
- Accelerates gene discovery in plants, particularly in China's rich germplasm resources.
- Provides a bridge between structural genomics and phenomics.
- Facilitates rapid development in plant genomics through intensive LD research.
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