Gene expression profiles in maize (Zea mays L.) leaves inoculation with southern corn rust (Puccinia polysora Underw.)

被引：0
作者：
Xiuping Wang
Tianxue Liu
Chaohai Li
Zhenjie Zhao
机构：
[1] Henan Agricultural University,Agronomy College
[2] Ministry of Agriculture,Huanghuaihai Regional Innovation Center for Summer Maize Technology
来源：
Acta Physiologiae Plantarum | 2012年 / 34卷
关键词：
Maize (; L.); Southern corn rust; Gene chip; Transcriptome; Biotic stress;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Southern corn rust (SCR) epiphytotics have resulted in severe losses of maize yield. Whole-genome gene expression profiles of a SCR-resistant maize hybrid leaves after inoculation with Puccinia polysora Underw. were analyzed using an Affymetrix GeneChip. Of the 532 differentially expressed probe sets, 341 were up-regulated and 191 were down-regulated after inoculation with P. polysora Underw. Many biotic stress response-related genes were up-regulated, whereas abiotic stress-related genes were down-regulated. Among 23 differentially expressed transcription factors (TFs), six WRKY TFs were all up-regulated. A number of genes that were defense-related and reactive oxygen species (ROS) metabolism-related genes were significantly induced by inoculation with P. polysora Underw. Thus, WRKY TFs could participate in the SCR resistance reaction and the mechanism of maize resistance to P. polysora Underw. could principally involve the temporary induction of defense- and ROS metabolism-related genes.
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页码：997 / 1006
页数：9
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