Progress in molecular mechanism of plant temperature sensing
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Last Update: 2013-06-09
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Source: Internet
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Author: User
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Recently, the Journal of the National Academy of Sciences published online the research results of he Zuhua research group, Institute of plant ecology, Shanghai Academy of Biological Sciences, Chinese Academy of Sciences, and cooperation at home and abroad In the study of plant disease resistance, he Zuhua et al Transformed brassinolate receptor BRI1 of Arabidopsis and synthetic receptor of rice immune receptor Xa21, and obtained a series of dwarfing phenotypes which were co inhibited by endogenous BRI1 gene, namely transgenic silencing They found that the rise of ambient temperature from 22 ℃ to 30 ℃ could completely inhibit gene silencing At the same time, the researchers found that Arabidopsis endogenous microRNAs also decreased with the increase of temperature More interestingly, temperature induced PTGS release was also observed in the next 22 ℃ posterity, that is, posterity memory effect.
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