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Cloning of four DREB genes from Tibetan Sophora moorcroftiana and analysis of their expression during abiotic stress 被引量:2
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作者 Weijie Yao Yaru Fu +1 位作者 Yanfu Zhang Hui-e Li 《Journal of Forestry Research》 SCIE CAS CSCD 2016年第3期675-683,共9页
Sophora moorcroftiana is an endemic, droughtresistant shrub that grows in Tibet and has some degree of resistance to salt, cold, heat, and drought. In the present study, four dehydration responsive element-binding(D... Sophora moorcroftiana is an endemic, droughtresistant shrub that grows in Tibet and has some degree of resistance to salt, cold, heat, and drought. In the present study, four dehydration responsive element-binding(DREB) genes(Sm DREB1, Sm DREB2, Sm DREB and Sm DREB1) were isolated from S. moorcroftiana for the first time and their expression and proline content under abiotic stress were analyzed. Proline accumulated in seedlings under drought, salt, cold, and heat stress treatments. The four genes were variously expressed in response to the four abiotic stresses. Sm DREB1 was induced by drought, cold, and heat stresses; Sm DREB2 and Sm DREB4 were both induced by salt, cold, and heat stresses, whereas Sm DREB3 was induced by drought and heat stresses. Thus, these four genes may participate in conferring tolerance to these four abiotic stresses and are candidate genes for genetic engineering in the future. 展开更多
关键词 Proline content Expression profile Droughtstress Salt stress - Cold stress Heat stress
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