Novel target sites for soybean yield enhancement by photosynthesis

被引：19
作者：
Yang, Yuming [1 ]
Wang, Li [2 ]
Che, Zhijun [3 ]
Wang, Ruiyang [1 ]
Cui, Ruifang [1 ]
Xu, Huanqing [1 ]
Chu, Shanshan [1 ]
Jiao, Yongqing [1 ]
Zhang, Hengyou [4 ]
Yu, Deyue [2 ]
Zhang, Dan [1 ]
机构：
[1] Henan Agr Univ, Collaborat Innovat Ctr Henan Grain Crops, Zhengzhou 450006, Peoples R China
[2] Nanjing Agr Univ, Natl Ctr Soybean Improvement, Nanjing 210014, Peoples R China
[3] Ningxia Univ, Yinchuan 750021, Ningxia, Peoples R China
[4] Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Soybean Mol Design Breeding, Harbin 150081, Peoples R China
来源：
JOURNAL OF PLANT PHYSIOLOGY | 2022年 / 268卷
基金：
中国国家自然科学基金;
关键词：
QUANTITATIVE TRAIT LOCI; GLOBAL FOOD DEMAND; CHLOROPHYLL FLUORESCENCE; NATURAL VARIATION; AGRONOMIC TRAITS; SEED PROTEIN; GLYCINE-MAX; WEIGHT; SUGAR; QTL;
D O I：
10.1016/j.jplph.2021.153580
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Photosynthesis plays an important role in plant growth and development. Increasing photosynthetic rate is a main objective of improving crop productivity. Chlorophyll fluorescence is an effective method for quickly evaluating photosynthesis. In this study, four representative chlorophyll fluorescence parameters, that is, maximum quantum efficiency of photosystem II, quantum efficiency of PSII, photochemical quenching, and non-photochemical quenching, of 219 diverse soybean accessions were measured across three environments. The underlying genetic architecture was analyzed by genome-wide association study. Forty-eight SNPs were detected to associate with the four traits and explained 10.43-20.41% of the phenotypic variation. Nine candidate genes in the stable QTLs were predicted. Great differences in the expression levels of the candidate genes existed between the high photosynthetic efficiency accessions and low photosynthetic efficiency accessions. In all, we uncover 17 QTLs associated with photosynthesis-related traits and nine genes that may participate in the regulation of photosynthesis, which can provide references for revealing the genetic mechanism of photosynthesis. These QTLs and candidate genes will provide new targets for crop yield improvement through increasing photosynthesis.
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页数：10
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