作物学报 ›› 2013, Vol. 39 ›› Issue (02): 269-279.doi: 10.3724/SP.J.1006.2013.00269
李余良,刘建华,郑锦荣,胡建广*
LI Yu-Liang, LIU Jian-Hua,ZHENG Jin-Rong,HU Jian-Guang*
摘要:
利用数字化基因表达谱技术, 对高温胁迫下优良甜玉米杂交种粤甜13雌穗发育相关基因的表达谱进行分析。结果表明, 在高温胁迫和适温下差异表达基因达949个, 其中有上调表达基因705个, 下调表达基因244个, 上调表达10倍以上的基因108个, 下调表达10倍以上的基因40个。对差异表达基因功能注释分析表明, 它们主要集中在细胞内组分和膜上, 主要具催化活性、结合活性、水解酶活性、氧化还原酶活性等, 参与代谢、细胞结构与功能、胁迫应答、物质运输和生物调节等生物学过程, 推测对雌穗发育过程中籽粒和果穗的形成具有重要作用。这些基因中有一半以上的基因功能未知, 下一步将对其开展克隆和功能方面的分析。
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