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基因组编辑的 ATP 结合盒 B1 转运蛋白 SD8 敲除品系表现出优化的水稻株型而没有产量损失。

Genome-edited ATP BINDING CASSETTE B1 transporter SD8 knockouts show optimized rice architecture without yield penalty.

机构信息

Biotechnology Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, China.

College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070 Hubei, China.

出版信息

Plant Commun. 2022 Sep 12;3(5):100347. doi: 10.1016/j.xplc.2022.100347. Epub 2022 Jun 10.

DOI:10.1016/j.xplc.2022.100347
PMID:35690904
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9483111/
Abstract

This study reports the identification of the rice open reading frame Semi-Dwarf in chr8 (SD8) that encodes a putative ortholog of Arabidopsis thaliana ABCB1. Genome editing of SD8 leads to optimized rice architecture by reducing plant height and flag-leaf angle without yield penalty. Rice SD8 knockouts may also have the potential for increased yield under high density planting.

摘要

本研究报告了在水稻第 8 号染色体上发现的一个开放阅读框 Semi-Dwarf（SD8），该基因编码拟南芥 ABCB1 的一个假定同源物。通过降低株高和旗叶角度，对 SD8 进行基因组编辑可优化水稻株型，而不会降低产量。在高密度种植条件下，水稻 SD8 敲除突变体也可能具有提高产量的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bc9/9483111/46b27709a219/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bc9/9483111/46b27709a219/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bc9/9483111/46b27709a219/gr1.jpg

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