CRISPR 101: Epigenetics and Editing the Epigenome
Type
Blog Post
Published
June 24, 2020, 5:45 p.m.
...created constitutive (pCMV-dCas9-D3A) and Tet-dependent (TetO-dCas9-D3A) constructs. For lentiviral expression...Researchers showed that TALE-TET1 constructs, which fused a TALEN to the Tet1 demethylase catalytic domain...with BioRender.com.
Tet1 demethylase
Ronggui Hu’s lab has created pdCas9-Tet1-CD for targeted cytosine...mammalian cells. This plasmid is used with pcDNA3.1-MS2-Tet1-CD to decrease methylation and activate transcription...lentiviral vector with the same modifier, Fuw-dCas9-Tet1CD, is available from Rudolf Jaenisch’s lab in plasmid... ready-to-use lentivirus.
Figure 2: dCas9-Tet1 demethylates cytosines at promoters and enhancers...increased transcription. Created with BioRender.com.
Tet1 initiates cytosine demethylation of DNA. However...