Multigenerational elevated atmospheric CO2 concentration induced changes of wheat grain quality via altering nitrogen reallocation and starch catabolism
文献类型： 外文期刊
作者： Li, Hui 1 ; Wang, Zongshuai 2 ; Li, Shuxin 1 ; Wang, Yaosheng 3 ; Liu, Shengqun 1 ; Song, Fengbin 1 ; Liu, Fulai 4 ; Brestic, Marian 6 ; Li, Xiangnan 1 ;
作者机构： 1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Mollisols Agroecol, Changchun 130102, Peoples R China
2.Shandong Acad Agr Sci, Crop Res Inst, Jinan 250100, Peoples R China
3.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
4.Univ Copenhagen, Fac Sci, Dept Plant & Environm Sci, Hojbakkegard Alle 13, DK-2630 Tastrup, Denmark
5.Univ Chinese Acad Sci, Coll Adv Agr Sci, Beijing 100049, Peoples R China
6.Slovak Univ Agr, Dept Plant Physiol, Tr A Hlinku 2, Nitra 94976, Slovakia
7.Czech Univ Life Sci Prague, Dept Bot & Plant Physiol, Kamycka 129, Prague 16500, Czech Republic
8.Xinzhou Teachers Univ, Dept Biol, Xinzhou 034000, Peoples R China
关键词： Triticum aestivum; Multiple generations; Protein; End-use quality; CO2 elevation
期刊名称：ENVIRONMENTAL AND EXPERIMENTAL BOTANY （ 影响因子：6.028； 五年影响因子：6.246 ）
ISSN： 0098-8472
年卷期： 2023 年 205 卷
页码：
收录情况： SCI
摘要： Previous studies indicated the grain yield and compositions of wheat (Triticum aestivum L.) were affected by long-term elevated atmospheric CO2 concentration conditions. However, the roles of protein expression in wheat grain quality changes under multigenerational elevated atmospheric CO2 concentration are still rarely known. This study explored that the changes of grain quality in wheat offspring induced by multigenerational elevated at-mospheric CO2 concentration exposure and analyzed the roles of the differently expressed proteins using 4D proteomics in regulating the wheat grain quality. The changes of grain protein accumulation, gluten index and dough development time indicated that the nutritional and end-use quality of wheat grains were directly affected by elevated atmospheric CO2 concentration. This was mainly due to the changed expressions of a-amylase in-hibitors, glutamine synthetase, glutamate dehydrogenase, formamidase and 13-glucosidase, which regulated the starch accumulation and nitrogen metabolism in grains. This study elucidates the mechanisms underlying the effects of long-term elevated atmospheric CO2 concentration on wheat grain quality.
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