Yinwei Cheng

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In Arabidopsis, root hair and non-hair cell fates are determined by a MYB-bHLH-WD40 transcriptional complex and are regulated by many internal and environmental cues. Brassinosteroids play important roles in regulating root hair specification by unknown mechanisms. Here, we systematically examined root hair phenotypes in brassinosteroid-related mutants, and(More)
In Escherichia coli, pyrimidine-mediated regulation of upp expression occurs by UTP-sensitive selection of alternative transcriptional start sites, which produces transcripts that differ in the ability to be elongated. The upp initially transcribed region contains the sequence GATTTTTTTTG (nontemplate strand). Initiation can occur at either the first or the(More)
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