Video encyclopedia

Pioneer factor


How Genes are Regulated: Transcription Factors


pioneer factors recruit downstream transcription factors


Pioneer MVH180UB - Functions and look


Pioneer A-503R Stereo Integrated Amplifier look inside + first look


76 Pioneer Drive, Aintree

Pioneer factors are transcription factors that can directly bind condensed chromatin. They can have positive and negative effects on transcription and are important in recruiting other transcription factors and histone modification enzymes as well as controlling DNA methylation. They were first discovered in 2002 as factors capable of binding to target sites on nucleosomal DNA in compacted chromatin and endowing competency for gene activity during hepatogenesis. Pioneer factors are involved in initiating cell differentiation and activation of cell-specific genes. This property is observed in fork head box (FOX), Groucho TLE, and in Gal4 transcription factors.
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    • Active rearrangement 

    • Passive factors 

    • Epigenetic effects 

    • Role in cancer