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Transcriptome analysis in roots and leaves of wheat seedlings in response to low-phosphorus stress

文献类型： 外文期刊

作者： Wang, Jun 1 ; Qin, Qin 1 ; Pan, Jianjun 6 ; Sun, Lijuan 1 ; Sun, Yafei 1 ; Xue, Yong 1 ; Song, Ke 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai 201403, Peoples R China

2.Shanghai Sci Observat & Expt Stn Agr Environm & L, Shanghai 201403, Peoples R China

3.Shanghai Environm Protect Monitoring Stn Agr, Shanghai 201403, Peoples R China

4.Shanghai Engn Res Ctr Low Carbon Agr SERLA, Shanghai 201403, Peoples R China

5.Shanghai Key Lab Protected Hort Technol, Shanghai 201403, Peoples R China

6.Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2019 年 9 卷

页码：

收录情况： SCI

摘要： Low phosphorus availability is a major abiotic factor constraining wheat growth. The molecular mechanisms of the wheat whole genome under low-phosphorus stress are still unclear. To obtain information on gene expression in wheat seedlings under low-phosphorus stress, transcriptome sequencing was performed on roots and leaves. The results showed that 2,318 (1,646 upregulated and 672 downregulated) transcripts were differentially expressed in the leaves, and 2,018 (1,310 upregulated and 708 downregulated) were differentially expressed in the roots. Further analysis showed that these differentially expressed genes (DEGs) were mainly enriched in carbon fixation in photosynthetic organs and in carbon metabolism, photosynthesis, glyoxylate and dicarboxylate metabolism and plant-pathogen interaction in both leaves and roots. These pathways were mainly associated with environmental adaptation, energy metabolism and carbohydrate metabolism, suggesting that the metabolic processes were strengthened in wheat seedlings under low-phosphorus stress and that more energy and substances were produced to resist or adapt to this unfavourable environment. This research might provide potential directions and valuable resources to further study wheat under low-phosphorus stress.

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