ArticleNature communications2025
Suppressing an auxin efflux transporter enhances rice adaptation to temperate habitats.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- The Multidrug Resistance Protein OsMDR4 Is Involved in Cadmium Absorption in Rice (Plants (Basel, Switzerland) · 2026Article
- Article
- Transcriptome Analysis IdentifiesPlants (Basel, Switzerland) · 2026Article
- Research progress on cold tolerance key genes and mechanisms in four major northern China crops.Frontiers in plant science · 2026Review
- Cold stress in rice (Frontiers in plant science · 2025Review
- Powering Genome Editing in Rice by Harnessing Promising Gene Resources: A Comprehensive Roadmap.Physiologia plantarumReview
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Authors and funding
16 authors.
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Abstract
Rice (Oryza sativa L.), a chilling-sensitive staple crop originating from tropical and subtropical Asia, can be cultivated in temperate regions through the introduction of chilling tolerance traits. However, the molecular mechanisms underlying this adaptation remain largely unknown. Herein, we show that HAN2, a quantitative trait locus, confers chilling tolerance in temperate japonica rice. HAN2 encodes an auxin efflux transporter (OsABCB5) and negatively regulates chilling tolerance, potentially via auxin-mediated signaling pathway. During rice domestication, HAN2 has undergone selective divergence between the indica and temperate japonica subspecies. In temperate japonica rice, the insertion of a Copia long terminal repeat retrotransposon downstream of HAN2 reduces its expression, thereby enhancing chilling tolerance and facilitating adaptation to temperate climates. Introgression of the temperate japonica HAN2 allele into indica rice significantly improves chilling tolerance at both seedling and booting stages. These findings advance our understanding of rice northward expansion and provide a valuable genetic resource for improving yield stability under chilling stress.
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