Architecture design of cucurbit crops for enhanced productivity by a natural allele

文献类型： 外文期刊

第一作者： Wang, Shenhao

作者： Wang, Shenhao;Wang, Kun;Wang, Bowen;Xin, Tongxu;Tian, Haojie;Yang, Xueyong;Wang, Shenhao;Li, Zheng;Li, Yangyang;He, Jiao;Li, Hongbo;Huang, Sanwen;Tian, Jiaxing;Zhang, Guoyu;Li, Haizhen

作者机构：

期刊名称：NATURE PLANTS （ 影响因子：18.0； 五年影响因子：18.6 ）

ISSN： 2055-026X

年卷期： 2022 年 8 卷 12 期

页码：

收录情况： SCI

摘要： Increasing production efficiency is a top priority in agriculture. Optimal plant architecture is the biological basis of dense planting, high crop yield and labour cost savings, and is thus critical for improving agricultural productivity. In cucurbit crops, most species have elongated internodes, but the path to architecture improvement is still not clear. Here we identified a pumpkin accession with a dominant bushy trait, and found that the associated Bush locus harbours a cucurbit-conserved cis-regulatory element in the 5' untranslated region of a transcription factor gene YABBY1. In cucurbit crops, various B-region deletions enhance the translation of YABBY1, with consequent proportional suppression of stem length in a dose-dependent manner. Depending on different cultivation patterns, the precise deployment of these alleles has significant effects on yield improvement or labour cost saving. Our findings demonstrate that the engineering of the YABBY1 B-region is an efficient strategy to customize plant architecture in cucurbit crops.

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