Porous borders at the wild-crop interface promote weed adaptation in Southeast Asia
Document Type
Article
Publication Date
2-1-2024
Abstract
High reproductive compatibility between crops and their wild relatives can provide benefits for crop breeding but also poses risks for agricultural weed evolution. Weedy rice is a feral relative of rice that infests paddies and causes severe crop losses worldwide. In regions of tropical Asia where the wild progenitor of rice occurs, weedy rice could be influenced by hybridization with the wild species. Genomic analysis of this phenomenon has been very limited. Here we use whole genome sequence analyses of 217 wild, weedy and cultivated rice samples to show that wild rice hybridization has contributed substantially to the evolution of Southeast Asian weedy rice, with some strains acquiring weed-adaptive traits through introgression from the wild progenitor. Our study highlights how adaptive introgression from wild species can contribute to agricultural weed evolution, and it provides a case study of parallel evolution of weediness in independently-evolved strains of a weedy crop relative. Genome-wide evidence to support that wild rice can contribute to weedy rice evolution by hybridization and adaptive introgression is very limited. Here, the authors sequence the weedy rice genomes and show reproductively compatible wild rice can contribute to weedy rice evolution.
Keywords
Red Rice, Deleterious Mutations, Population-Structure, Selective Sweeps, Oryza-Sativa, Evolution, Domestication, Reveals, Origins, Accumulation
Divisions
Parasit
Funders
National Science Foundation (NSF) (FRGS/1/2020/STG01/MUSM/02/4),Malaysian Ministry of Higher Education (ASEAN-2019-01-SCI),MUM-ASEAN Sustainable Development Research Grant (IOS-1947609),National Science Foundation (NSF) NSF - Office of the Director (OD) (31970235),National Natural Science Foundation of China (NSFC)
Publication Title
Nature Communications
Volume
15
Issue
1
Publisher
Nature Portfolio
Publisher Location
HEIDELBERGER PLATZ 3, BERLIN, 14197, GERMANY