Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Chromatin immunoprecipitation to identify CUG-BP1/EDEN-BP target mRNAs in Xenopus tropicalis eggs

ABSTRACT: Identification of RNA bound to the RNA-binding protein CUGBP1/EDENBP in Xenopus tropicalis eggs.

INSTRUMENT(S): GenePix 4000B [Axon Instruments]

ORGANISM(S): Xenopus tropicalis

SUBMITTER: yann audic

PROVIDER: E-MEXP-1466 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Identification of CUG-BP1/EDEN-BP target mRNAs in Xenopus tropicalis.

Graindorge Antoine A Le Tonquèze Olivier O Thuret Raphaël R Pollet Nicolas N Osborne H Beverley HB Audic Yann Y

Nucleic acids research 20080211 6

The early development of many animals relies on the posttranscriptional regulations of maternally stored mRNAs. In particular, the translation of maternal mRNAs is tightly controlled during oocyte maturation and early mitotic cycles in Xenopus. The Embryonic Deadenylation ElemeNt (EDEN) and its associated protein EDEN-BP are known to trigger deadenylation and translational silencing to several mRNAs bearing an EDEN. This Xenopus RNA-binding protein is an ortholog of the human protein CUG-BP1/CEL ...[more]

PMID: 18267972

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Project description:Eight different types of sample (three samples each) were used in this study of cardiac cell migration in the tunicate Ciona intestinalis. The B7.5 lineage cells were isolated by Fluorescent Activated Cell Sorting (FACS) at the tailbud stage, when the cardiac precursors (anterior B7.5 lineage cells) are migrating into the trunk, while their sister cells (posterior 7.5 lineage cells) remain in the tail, where they form muscle cells. Cells were sorted at the late gastrula stage, prior to migration induction and after manipulation of the FGF-MAPK-Ets signaling pathway (targeted expression of dominant negative FGF receptor and Ets:VP16 fusion protein, targeted expression was achieved using the Mesp cis-regulatory DNA), FoxF function (a direct target of FGF-MAPK-Ets signaling, required primarily for cell migration) by targeted expression of FoxF:VP16 (constitutive activator) or FoxF:WRPW (constitutive repressor, dominant negative), Mesp function (over-expression of Mesp:VP16 inhibits primarily cell migration). Finally, the "whole embryo" samples were collected from dissociated whole tailbud embryos, without FACS. in summary the eight conditions are: "wt (files LC-wt-1,-2,-3)": wild_type B7.5 lineage cells, expressing GFP, sorted at the tailbud stage "Ets:VP16 (files LC-EV-1,-2,-3)": B7.5 lineage cells, expressing GFP and Ets:VP16, sorted at the tailbud stage "DnFGFR (files LC-dnFGFR-1,-2,-3)": B7.5 lineage cells, expressing GFP and dominant-negative FGF receptor, sorted at the tailbud stage. "FoxF:VP16 (files LC-FV-1,-2,-3)": B7.5 lineage cells, expressing GFP and FoxF:VP16, sorted at the tailbud stage. "FoxF:WRPW (files LC-FW-1,-2,-3)": B7.5 lineage cells, expressing GFP and FoxF:WRPW, sorted at the tailbud stage". "Mesp:VP16 (files LC-MV-1,-2,-3)": B7.5 lineage cells, expressing GFP and Mesp:VP16, sorted at the tailbud stage. "Late Gastrula (files LC-LG-1,-2,-3)": wild_type B7.5 lineage cells, expressing GFP, sorted at the late gastrula stage "whole embryo (files LC-whole-1,-2,-3": whole embryos, dissociated at the tailbud stage, not sorted.

Dataset Information

Chromatin immunoprecipitation to identify CUG-BP1/EDEN-BP target mRNAs in Xenopus tropicalis eggs

Publications

Identification of CUG-BP1/EDEN-BP target mRNAs in Xenopus tropicalis.

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