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Journal article
Deciphering peanut complex genomes paves a way to understand its origin and domestication
Plant biotechnology journal, Vol.21(11), pp.2173-2181
2023
Abstract
Peanut (Arachis) is a key oil and protein crop worldwide with large genome. The genomes of diploid and tetraploid peanuts have been sequenced, which were compared to decipher their genome structures, evolutionary, and life secrets. Genome sequencing efforts showed that different cultivars, although Bt homeologs being more privileged in gene retention and gene expression. This subgenome bias, extended to sequence variation and point mutation, might be related to the long terminal repeat (LTR) explosions after tetraploidization, especially in At subgenomes. Except that, whole-genome sequences revealed many important genes, for example, fatty acids and triacylglycerols pathway, NBS-LRR (nucleotide-binding site-leucine-rich repeats), and seed size decision genes, were enriched after recursive polyploidization. Each ancestral polyploidy, with old ones having occurred hundreds of thousand years ago, has thousands of duplicated genes in extant genomes, contributing to genetic novelty. Notably, although full genome sequences are available, the actual At subgenome ancestor has still been elusive, highlighted with new debate about peanut origin. Although being an orphan crop lagging behind other crops in genomic resources, the genome sequencing achievement has laid a solid foundation for advancing crop enhancement and system biology research of peanut.
Details
- Title
- Deciphering peanut complex genomes paves a way to understand its origin and domestication
- Authors/Creators
- Yuxin PanYuhui Zhuang - Fujian Agriculture and Forestry UniversityTao Liu - Xiamen UniversityHua Chen - Fujian Agriculture and Forestry UniversityLihui WangRajeev K Varshney - Murdoch University, Food Futures InstituteWeijian Zhuang - Fujian Agriculture and Forestry UniversityXiyin Wang - North China University of Science and Technology
- Publication Details
- Plant biotechnology journal, Vol.21(11), pp.2173-2181
- Publisher
- Society for Experimental Biology and The Association of Applied Biologists and John Wiley & Sons Ltd.
- Identifiers
- 991005595768807891
- Copyright
- © 2023 The Authors.
- Murdoch Affiliation
- Centre for Crop and Food Innovation; Food Futures Institute; State Agricultural Biotechnology Centre
- Language
- English
- Resource Type
- Journal article
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- Domestic collaboration
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Biotechnology & Applied Microbiology
- Plant Sciences
- ESI research areas
- Plant & Animal Science