数字农科院2.0

Transcriptomes Of Early Developing Tassels U.nder Drought Stress Reveal D ifferential Expression Of Genes Related To Drought Tolerance In Maize

文献类型： 外文期刊

作者： Gao Wen-wei;Hao Zhuan-fang;Li Liang;Li Liang;Li Ming-shun;Li Xin-hai;Wang Nan;Weng Jian-feng;Wu Yong-bo;Yong Hong-jun;Zhang De-gui

作者机构：

关键词： Zea mays L.; early developing tassel; transcriptome; drought tolerance

期刊名称： JOURNAL OF INTEGRATIVE AGRICULTURE

ISSN： 2095-3119

年卷期： 2018 年 17 卷 6 期

页码：

摘要： Tassel, the male reproductive organs in maize, its development is adversely affected by drought during tasseling. To determine drought tolerance mechanisms of tassel differentiation at transcriptome level, RNA-Seq was performed using RNA of early developing tassel from 10 maize inbred lines under well-watered (control) and drought-stressed conditions, respectively. Results showed that the most active pathway for drought stress in maize were related to metabolic regulation at RNA level. And some genes, encoding enzymes involved in carbohydrate and lipid metabolism, were significantly down-regulated in drought-stressed plants. While, the transcription factors and genes, encoding catabolic or degradative enzymes, were over-expressed in maize early developing tassels under drought-stressed conditions, and among them, the transcripts of genes encoding exon-junction complexes involved in 'RNA transcript' and 'mRNA surveillance' pathways were significantly affected by drought stress. In addition, many other genes related to drought stress showed transcriptional changes at the later period of stress.

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