Engineering source-sink relations by prime editing confers heat-stress resilience in tomato and rice

IF 45.5 1区生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Cell Pub Date : 2024-12-13 DOI:10.1016/j.cell.2024.11.005

Huanchang Lou, Shujia Li, Zihang Shi, Yupan Zou, Yueqin Zhang, Xiaozhen Huang, Dandan Yang, Yongfang Yang, Zuoyao Li, Cao Xu

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Abstract

A 2°C climate-warming scenario is expected to further exacerbate average crop losses by 3%–13%, yet few heat-tolerant staple-crop varieties are available toward meeting future food demands. Here, we develop high-efficiency prime-editing tools to precisely knockin a 10-bp heat-shock element (HSE) into promoters of cell-wall-invertase genes (CWINs) in elite rice and tomato cultivars. HSE insertion endows CWINs with heat-responsive upregulation in both controlled and field environments to enhance carbon partitioning to grain and fruits, resulting in per-plot yield increases of 25% in rice cultivar Zhonghua11 and 33% in tomato cultivar Ailsa Craig over heat-stressed controls, without fruit quality penalties. Up to 41% of heat-induced grain losses were rescued in rice. Beyond a prime-editing system for tweaking gene expression by efficiently delivering bespoke changes into crop genomes, we demonstrate broad and robust utility for targeted knockin of cis-regulatory elements to optimize source-sink relations and boost crop climate resilience.

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来源期刊

Cell 生物-生化与分子生物学

CiteScore

110.00

自引率

0.80%

发文量

396

审稿时长

2 months

期刊介绍： Cells is an international, peer-reviewed, open access journal that focuses on cell biology, molecular biology, and biophysics. It is affiliated with several societies, including the Spanish Society for Biochemistry and Molecular Biology (SEBBM), Nordic Autophagy Society (NAS), Spanish Society of Hematology and Hemotherapy (SEHH), and Society for Regenerative Medicine (Russian Federation) (RPO). The journal publishes research findings of significant importance in various areas of experimental biology, such as cell biology, molecular biology, neuroscience, immunology, virology, microbiology, cancer, human genetics, systems biology, signaling, and disease mechanisms and therapeutics. The primary criterion for considering papers is whether the results contribute to significant conceptual advances or raise thought-provoking questions and hypotheses related to interesting and important biological inquiries. In addition to primary research articles presented in four formats, Cells also features review and opinion articles in its "leading edge" section, discussing recent research advancements and topics of interest to its wide readership.

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