文献类型： 外文期刊

作者： Li, Chunyan ¹ ; Dong, Jie ³ ; Zhang, Xuebin ⁴ ; Zhong, Hua ¹ ; Jia, Huili ² ; Fang, Zhihong ² ; Dong, Kuanhu ¹ ;

作者机构： 1.Shanxi Agr Univ, Coll Anim Sci & Vet Med, Taigu 030801, Shanxi, Peoples R China

2.Shanxi Acad Agr Sci, Inst Anim Husb & Vet, Taiyuan 030032, Shanxi, Peoples R China

3.Beijing Sci & Technol Informat Inst, Beijing 100044, Peoples R China

4.Henan Univ, Inst Plant Stress Biol, State Key Lab Cotton Biol, Dept Biol, Kaifeng 475001, Peoples R China

关键词： Bothriochloa ischaemum; Drought stress; Transcriptome; Illumina sequencing

期刊名称：GENE （ 影响因子：3.688； 五年影响因子：3.329 ）

ISSN： 0378-1119

年卷期： 2019 年 691 卷

页码：

收录情况： SCI

摘要： Drought is a common environmental factor that limits plant growth, development and productivity. To understand the effect of drought on the perennial grass Bothriochloa ischaemum, we applied high-throughput Illumina sequencing technology and analyzed the transcriptional expression profile of Bothriochloa ischaemum leaves and roots under drought and normal growth conditions. Compared to the controls, drought-treated samples had 7989 differentially expressed genes in leaves and 15,675 differentially expressed genes in roots. Of these, 4489 and 5010 genes were up-regulated genes in leaves and roots, respectively. Of the 2012 differentially expressed genes that were shared between leaves and roots, 1068 were up-regulated. We identified common and distinct biological processes and metabolic pathways involved in drought stress between the two tissues. Most notably, there was a dramatic up-regulation of genes involved in plant hormone signal transduction especially ABA signal transduction components and flavonoid biosynthesis enzymes or regulation factors in drought stress treated leaves. Therefore, these two cellular processes likely confer resistance to drought stress in Bothriochloa ischaemum. Overall, our findings provided new insights into a mechanism involving the synergistic interaction between ABA signaling and secondary metabolism during the drought adaptation of Bothriochloa ischaemum.