RNA sequencing of wildtype and catalytic knockouts of TUT4/7
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA744885 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15070400.fastq.gz | Fastqsanger.gz | |||
| SRR15070401.fastq.gz | Fastqsanger.gz | |||
| SRR15070402.fastq.gz | Fastqsanger.gz | |||
| SRR15070403.fastq.gz | Fastqsanger.gz | |||
| SRR15070404.fastq.gz | Fastqsanger.gz |
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Project description:TUT4 and TUT7 are terminal uridyl transferases that adds uridine bases to the 3′ end of RNAs such as miRNAs and mRNAs. The overall aim of this experiment was to identify differentially regulated mRNAs and miRNAs in catalytic knockouts of TUT4/7 relative to the wildtype. Catalytic mutants of TUT4/7 was generated in the prostate cancer cell line DU145 and the ovarian cancer cell line IGROV1. As the miRNA regulation by TUT4/7 depends on the oncoprotein LIN28A, LIN28A was lentivirally integrated in the LIN28A- DU145-derived lines and control. IGROV1 endogenously expresses LIN28A. We report that excluding the let-7 family, miRNAs do not depend on LIN28A for TUT4/7-mediated regulation. As the entire miRNA is captured in a read, we provide the isomiR landscape in the presence and absence of TUT4/7. Loss of uridylated isomiRs results in a simultaneous gain in adenylated isomiRs. Finally, we report cell line specific miRNA-mRNA regulation.
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2019-01-14 | E-MTAB-7065 | biostudies-arrayexpress
Project description:Uridylation occurs pervasively on mRNAs in mammals, yet its mechanism and significance remain unknown. Here we identify TUT4 and TUT7 (also known as ZCCHC11 and ZCCHC6, respectively) as the enzymes that uridylate mRNAs. Uridylation readily occurs on deadenylated mRNAs that are not associated with poly(A) binding protein (PABPC1) in cells. Consistently, purified TUT4 and TUT7 (TUT4/7) selectively uridylate RNAs with short A tails (< ~25 nt) while PABPC1 antagonizes uridylation of polyadenylated mRNAs in vitro. In cells depleted of TUT4/7, the vast majority of mRNAs lose the U tails, and their half-lives are extended. Suppression of mRNA decay factors leads to the accumulation of uridylated mRNAs. In line with this, microRNA induces uridylation of its targets, and TUT4/7 is required for enhanced decay of microRNA targets. Our study explains the mechanism underlying selective uridylation of deadenylated mRNAs, and demonstrates a fundamental role of the U tail as a molecular mark for global mRNA decay.
2014-12-04 | GSE59626 | GEO
Project description:Uridylation occurs pervasively on mRNAs in mammals, yet its mechanism and significance remain unknown. Here we identify TUT4 and TUT7 (also known as ZCCHC11 and ZCCHC6, respectively) as the enzymes that uridylate mRNAs. Uridylation readily occurs on deadenylated mRNAs that are not associated with poly(A) binding protein (PABPC1) in cells. Consistently, purified TUT4 and TUT7 (TUT4/7) selectively uridylate RNAs with short A tails (< ~25 nt) while PABPC1 antagonizes uridylation of polyadenylated mRNAs in vitro. In cells depleted of TUT4/7, the vast majority of mRNAs lose the U tails, and their half-lives are extended. Suppression of mRNA decay factors leads to the accumulation of uridylated mRNAs. In line with this, microRNA induces uridylation of its targets, and TUT4/7 is required for enhanced decay of microRNA targets. Our study explains the mechanism underlying selective uridylation of deadenylated mRNAs, and demonstrates a fundamental role of the U tail as a molecular mark for global mRNA decay. HeLa cells were knocked down of control or TUT4/7, then total RNAs were prepared for RNA-seq on 0, 1, 2, 4h after actinomycin D treatment. The whole processes of experiments were repeated two times.
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Project description:Uridylation occurs pervasively on mRNAs in mammals, yet its mechanism and significance remain unknown. Here we identify TUT4 and TUT7 (also known as ZCCHC11 and ZCCHC6, respectively) as the enzymes that uridylate mRNAs. Uridylation readily occurs on deadenylated mRNAs that are not associated with poly(A) binding protein (PABPC1) in cells. Consistently, purified TUT4 and TUT7 (TUT4/7) selectively uridylate RNAs with short A tails (< ~25 nt) while PABPC1 antagonizes uridylation of polyadenylated mRNAs in vitro. In cells depleted of TUT4/7, the vast majority of mRNAs lose the U tails, and their half-lives are extended. Suppression of mRNA decay factors leads to the accumulation of uridylated mRNAs. In line with this, microRNA induces uridylation of its targets, and TUT4/7 is required for enhanced decay of microRNA targets. Our study explains the mechanism underlying selective uridylation of deadenylated mRNAs, and demonstrates a fundamental role of the U tail as a molecular mark for global mRNA decay.
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Project description:This study aims to evaluate the effect of TUT4 knockdown on the function and global gene expression and know and novel lncRNAs respectively in human esophageal carcinoma cell (TE-1) and cervical cancer cell (Hela). Cells with TUT4 silencing were compared with control cells by LncRNA-Seq.
2020-12-07 | GSE162737 | GEO
Project description:Uridylation occurs pervasively on mRNAs in mammals, yet its mechanism and significance remain unknown. Here we identify TUT4 and TUT7 (also known as ZCCHC11 and ZCCHC6, respectively) as the enzymes that uridylate mRNAs. Uridylation readily occurs on deadenylated mRNAs that are not associated with poly(A) binding protein (PABPC1) in cells. Consistently, purified TUT4 and TUT7 (TUT4/7) selectively uridylate RNAs with short A tails (< ~25 nt) while PABPC1 antagonizes uridylation of polyadenylated mRNAs in vitro. In cells depleted of TUT4/7, the vast majority of mRNAs lose the U tails, and their half-lives are extended. Suppression of mRNA decay factors leads to the accumulation of uridylated mRNAs. In line with this, microRNA induces uridylation of its targets, and TUT4/7 is required for enhanced decay of microRNA targets. Our study explains the mechanism underlying selective uridylation of deadenylated mRNAs, and demonstrates a fundamental role of the U tail as a molecular mark for global mRNA decay. Thirteen separate sets of TAIL-seq experiments were performed. Each set includes a negative control for transfection, immunoprecipitation, or knockout cell generation. Experimental samples were treated with various conditions including siRNA transfection, transdominant negative protein expression, TALEN-based gene knockout, or immunoprecipitation. The 'README-TAIL-seq.txt' include detailed information about structure of seq entries in FASTQ files and of processed data for 3' end modifications.
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Project description:Terminal uridylation of mRNAs poly(A) tails by Terminal Uridylyl Transferases (TUTs) promote transcript decay. Here, we investigate the role of two functionally redundant mammalian TUTs, TUT4 and TUT7 (TUT4/7), in mouse hepatitis virus (MHV) RNA processing. We generated a TUT4/7 knock-down 17-CL1 cell line using lentivirus encoding shRNAs against Tut4 and Tut7 transcripts (shTUT4/7) and a control 17-CL1 cell line (shCTL) with a non-targeting shRNA. We then infected the shCTL and shTUT4/7 cells with MHV and isolated RNA at 24- and 48-hours post-infection (hpi). We found that viral RNA poly(A) tails of about 20 and 40 nucleotides are highly uridylated and that the uridylation of the 20 nucleotide long tails is dependent on TUT4/7. Depletion of TUT4/7 also resulted in an accumulation of the viral RNA.
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Project description:To study the roles of the proteins TUT4, TUT7 and UPF2 in spermatogenesis, their genes were conditionally deleted in differentiating spermatogonia. Total RNA samples from TUT4 and TUT7-deficient or UPF2-deficient pachytene/diplotene cells were subjected to array profiling.
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