A kind of transcription repression structure domain, its coding gene and its application

A technology encoding genes and domains, applied in the field of bioengineering, can solve problems such as low activity and inability of transgenic plants to survive, and achieve the effect of reducing transcriptional activation activity
CN108727480BActive Publication Date: 2022-05-10HEBEI NORMAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEBEI NORMAL UNIV
Publication Date
2022-05-10

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Abstract

The invention discloses a transcriptional repression domain, its coding gene and its application in regulating plant stress tolerance. The amino acid sequence shown. Because the existing SRDX transcription repression activity is too strong, it may cause some transcription factor fusion SRDX transgenic plants can not survive, compared with this, the repression sequence of the present invention has transcription repression activity, but its activity is lower than SRDX, which is useful for exploring transcription Factor function and gene expression regulation have great scientific research and practical value.
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Description

technical field

[0001] The invention relates to the technical field of bioengineering, in particular to a transcriptional repression domain sEAR and its coding gene and its application in regulating the expression of downstream target genes by transcription factors. Background technique

[0002] Plants develop from a seed to a complete plant, and each growth stage is always accompanied by gene expression and silencing. The dicot Arabidopsis thaliana is an important model plant that can be used to explore the regulation of gene expression. The theoretical research on gene expression regulation provides an important theoretical basis for improving the yield, quality and stress resistance of crops.

[0003] Transcription factors play an important role in the regulation of gene expression. Transcription factors are divided into DNA-binding domains and transcriptional activation or repression domains. At present, there are mainly four types of inhibitory domains known in Arabi...

Claims

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