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DnaJ Proteins Regulate WUS Expression in Shoot Apical Meristem of Arabidopsis.


ABSTRACT: WUSCHEL (WUS) protein regulates stem cell function in shoot apical meristem of Arabidopsis. The expression of WUS gene is strictly regulated by developmental cues and environmental factors. As DnaJ domain-containing proteins, SDJ1 and SDJ3 have been proven to play an important role in transcriptional activation of promoter methylated genes. Here, we showed that three DnaJ domain-containing proteins including SDJ1 and SDJ3 can bind WUS protein as a complex, which further maintain the expression of WUS gene by binding to WUS promoter. We propose a model how DnaJ domain-containing proteins are involved in the self-regulation of WUS gene in stem cells maintenance of Arabidopsis.

SUBMITTER: Jia T 

PROVIDER: S-EPMC7827474 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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DnaJ Proteins Regulate <i>WUS</i> Expression in Shoot Apical Meristem of Arabidopsis.

Jia Tianqi T   Li Fan F   Liu Shuang S   Dou Jin J   Huang Tao T  

Plants (Basel, Switzerland) 20210112 1


WUSCHEL (WUS) protein regulates stem cell function in shoot apical meristem of <i>Arabidopsis</i>. The expression of <i>WUS</i> gene is strictly regulated by developmental cues and environmental factors. As DnaJ domain-containing proteins, SDJ1 and SDJ3 have been proven to play an important role in transcriptional activation of promoter methylated genes. Here, we showed that three DnaJ domain-containing proteins including SDJ1 and SDJ3 can bind WUS protein as a complex, which further maintain th  ...[more]

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