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RIP-seq analysis of Isw1 interacting transcripts

ABSTRACT: RIP-seq analysis of Isw1 interacting transcripts

PROVIDER: PRJEB14710 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR1518990.fastq.gz	Fastqsanger.gz
	ERR1519000.fastq.gz	Fastqsanger.gz
	ERR1518991.fastq.gz	Fastqsanger.gz
	ERR1519001.fastq.gz	Fastqsanger.gz
	ERR1518992.fastq.gz	Fastqsanger.gz

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RIP-seq analysis of Isw1 interacting transcripts

Project description:This experiment captures the poly(A)RNAs co-immunoprecipated with Isw1 in WT and npl3-1 cells. Chromatin remodelers play an essential role in regulating DNA transaction processes. The yeast chromatin remodeling complex ISW1 displays an unexpected function in nuclear mRNP surveillance, retaining premature mRNPs in proximity to their transcription site. This activity of ISW1 requires its recruitment onto chromatin, its interaction with mRNPs but not its nucleosome sliding activity. In npl3-1 cells, mRNA export is compromised resulting in an increased association of mRNAs with Isw1.

2016-11-17 | E-MTAB-4826 | biostudies-arrayexpress

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Project description:To identify the directly bound transcripts of Flag antibody (the backgroud control for our METTL16 RIP-seq), RNA immunoprecipitation sequencing (RIP-seq) was conducted HEK293T. Briefly, HEK293T cells were infected with pmiRNA1-empty vector. Only the GFP-positive cells were used for study and expanded in DMEM medium.

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Isw1 and Chd1 maintain chromatin organization during transcription [isw1 chd1 mutant expression]

Project description:Gene expression microarray experiments to determine the existence of intragenic (cryptic) transcripts in an isw1 chd1 mutant yeast strain.

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Project description:Sox2 is a master transcriptional regulator of embryonic development. Having found that Sox2 interacts with RNA-binding proteins, we designed an experiment to discover RNAs associated with Sox2 and other pluripotency factors. Briefly, we used RNA immunoprecipitation followed by high-throughput sequencing (RIP-seq) to sequence transcriptomes enriched for RNAs associated with Klf4, Nanog, Oct4, Sox2 and Suz12. For completeness, this submission includes all RIP-seq data from this study, although some of the data was only used for exploratory analyses. Such analysis indicated that it was important to include input samples for each of the the cell lines that were to be compared, to account for differences in gene expression (e.g. between J1-birA with and without bioSox2), and that overnight IP was more informative than 3 h IP. Therefore, the analysis described in the associated manuscript used samples from experiment batch 3 and 4 only (samples 11-18).

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Project description:Lysine acetylation and ubiquitination are one of many protein modifications and play a crucial role in the biological regulation of many organisms, but little is known about the relationship between acetylation and ubiquitination few. Here, the Isw1 protein is an important member of the chromatin remodeling complex, and we performed single-protein modification mass spectrometry detection of the C. neoformans Isw1 protein and site mutations for both detected modifications. The data showed that the two modifications of Cryptococcus neoformans Isw1 protein have a balance of each other. Acetylation can maintain protein stability and maintain protein function, while ubiquitination can reduce protein level and maintain Isw1 protein expression. The expression level of Isw1 protein leads to resistance to antifungal drugs. These results reveal the resistance mechanism of Isw1 protein of Cryptococcus neoformans to antifungal drugs.

2022-12-26 | PXD037150 | Pride

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