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Transcriptome analysis reveals the mechanism of improving erect-plant-type peanut yield by single-seeding precision sowing

文献类型： 外文期刊

作者： Yang, Sha 1 ; Zhang, Jialei 1 ; Geng, Yun 1 ; Tang, Zhaohui 1 ; Wang, Jianguo 1 ; Guo, Feng 1 ; Meng, Jingjing 1 ; Wang, 1 ;

作者机构： 1.Shandong Acad Agr Sci, Biotechnol Res Ctr, Jinan, Peoples R China

2.Minist Agr & Rural Affairs, Sci Observat & Expt Stn Crop Cultivat East China, Dongying, Peoples R China

3.Shandong Normal Univ, Coll Life Sci, Jinan, Peoples R China

4.Shandong Acad Agr Sci, Shandong Prov Key Lab Crop Genet Improvement Ecol, Jinan, Peoples R China

关键词： Peanut (Arachis hypogaea L.); RNA-seq; Stress tolerance; Resveratrol synthase; Yield

期刊名称：PEERJ （ 影响因子：2.984； 五年影响因子：3.369 ）

ISSN： 2167-8359

年卷期： 2021 年 9 卷

页码：

收录情况： SCI

摘要： Background: In China, double-seed (DS) sowing (i.e., sowing two seeds per hole) has been conventionally performed towards the erect-plant-type peanuts to increase the low germination rate due to poor seed preservation conditions. However, the corresponding within-hole plant competition usually limits the subsequent plant growth and the final yield. We developed a high-yield cultivation system of single-seed (SS) precision sowing to solve this paradox, saving 20% of seeds and increasing yields by more than 10% relative to the conventional DS sowing. Methods: To explore the mechanisms of these two different cropping patterns in peanut yields, we conducted transcriptomic and physiological comparisons in the seeding plant leaf and root tissues between SS precision sowing and standard DS sowing treatments. Results: After assembly, each library contained an average of 43 million reads and generated a total of 523,800, 338 clean reads. After GO and Kyoto Encyclopedia of Genes and Genomes pathway analysis, we found the key genes for biotic and abiotic stress showed higher expression in roots of plants grown under the SS precision sowing treatment, including genes encoding disease resistance, oxidation-reduction, hormone related, and stress response transcription factors and signaling regulation proteins. In particular, the resveratrol synthesis genes related to stress and disease resistance appeared induced in roots under the SS sowing treatment. Conclusion: These data indicated that Aspergillus flavus resistance and stress tolerance in roots under SS precision sowing were enhanced compared with roots under the DS sowing treatment. This work benefits the development of underground pods and thus increasing peanut yields.

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[1]Transcriptome analysis reveals the mechanism of improving erect-plant-type peanut yield by single-seeding precision sowing. Yang, Sha,Zhang, Jialei,Geng, Yun,Tang, Zhaohui,Wang, Jianguo,Guo, Feng,Meng, Jingjing,Wang, Quan,Li, Xinguo,Yang, Sha,Zhang, Jialei,Geng, Yun,Tang, Zhaohui,Wang, Jianguo,Guo, Feng,Meng, Jingjing,Li, Xinguo,Wang, Quan,Wan, Shubo. 2021

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