Genetically Optimizing Soybean Nodulation Improves Yield and Protein Content

Overview

Journal Nat Plants

Specialties Biology
Genetics

Date 2024 May 9

PMID 38724696

Authors

Xiangbin Zhong

Jie Wang

Xiaolei Shi

Mengyan Bai

Cuicui Yuan

Chenlin Cai

Nan Wang

Xiaomin Zhu

Huaqin Kuang

Xin Wang

Jiaqing Su

Xin He

Xiao Liu

Wenqiang Yang

Chunyan Yang

Fanjiang Kong

Ertao Wang

Yuefeng Guan

Affiliations

Soon will be listed here.

Abstract

Symbiotic nitrogen fixation in legume nodules requires substantial energy investment from host plants, and soybean (Glycine max (L.) supernodulation mutants show stunting and yield penalties due to overconsumption of carbon sources. We obtained soybean mutants differing in their nodulation ability, among which rhizobially induced cle1a/2a (ric1a/2a) has a moderate increase in nodule number, balanced carbon allocation, and enhanced carbon and nitrogen acquisition. In multi-year and multi-site field trials in China, two ric1a/2a lines had improved grain yield, protein content and sustained oil content, demonstrating that gene editing towards optimal nodulation improves soybean yield and quality.

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