操纵 microRNA172 与 AP2L2 的相互作用可精确控制小麦和三粒小麦的植株高度

bioRxiv - Plant Biology Pub Date : 2024-08-07 DOI:10.1101/2024.08.05.606718

Chaozhong Zhang, Joshua Hegarty, Mariana Padilla, David M. Tricoli, Jorge Dubcovsky, Juan M. Debernardi

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引用次数: 0

摘要

在 "绿色革命 "中，矮化等位基因 Rht-B1b 和 Rht-D1b 对优化小麦株高和提高谷物产量至关重要。然而，这两个等位基因会降低小麦胚轴长度，从而限制播种深度，这引发了人们对其他矮化基因的探索。在这项研究中，我们设计了 miR172 和 AP2L2 基因之间的相互作用，以微调小麦和三粒小麦的株高，而不影响小麦的叶柄和第一叶长度。

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Manipulation of the microRNA172 - AP2L2 interaction provides precise control of wheat and triticale plant height

The REDUCED HEIGHT (RHT) dwarfing alleles Rht-B1b and Rht-D1b were essential in the “Green Revolution” to optimize wheat plant height and increase grain yield. However, those alleles reduce coleoptile length limiting sowing depth, which triggered the search for alternative dwarfing genes. In this study, we engineered the interaction between miR172 and AP2L2 genes to fine-tune wheat and triticale plant height without affecting coleoptile and first-leaf length.

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bioRxiv - Plant Biology

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