Construction of a Network Model to Reveal Genes Related to Salt Tolerance in Chinese Cabbage
Wonye gwahak gisulji/Weon'ye gwahag gi'sulji(2014)
摘要
Abiotic stress conditions such as cold, drought, and salinity trigger physiological and morphological changes and yield loss in plants. Hence, plants adapt to adverse environments by developing tolerance through complex regulation of genes related to various metabolic processes. This study was conducted to construct a coexpression network for multidirectional analysis of salt-stress response genes in Brassica rapa (Chinese cabbage). To construct the coexpression network, we collected KBGP-24K microarray data from the B. rapa EST and microarray database (BrEMD) and performed time-based expression analyses of B. rapa plants. The constructed coexpression network model showed 1,853 nodes, 5,740 edges, and 142 connected components (correlation coefficient > 0.85). On the basis of the significantly expressed genes in the network, we concluded that the development of salt tolerance is closely related to the activation of Na+ transport by reactive oxygen species signaling and the accumulation of proline in Chinese cabbage
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关键词
abiotic stress,microarray,jasmonic acid,reactive oxygen species
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