Unknown,Transcriptomics,Genomics,Proteomics

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Next Generation Sequencing Analysis of Wild Type and Rfx2-/- Testicular Transcriptomes [ChIP-Seq]


ABSTRACT: Purpose: This study was carried out to determine the consequences of the Rfx2-/- genotype on spermatogenesis in the mouse Methods: DNA was extracted from decapsulated testes of 21 day old mice. ChIP sequencing was used to determine the binding sites of RFX2. Results: ChIP-Seq analysis identified ~880 binding sites of RFX2 near TSS. Conclusion: Spermatogenesis undergoes complete arrest just prior to the end of the round spermatid period of sperm development in mutant mice. Sequencing results showed that approximately 105 genes were downregulated 2 fold or more in the testes of mutant mice. Comparison of similar studies of targeted mutations in genes for other transcription factor demonstrate that Rfx2 has a large and nearly unique set of genes that depend on it directly or indirectly. A large number of downregulated genes are identified with cilia function. Testicular RFX2 binding sites were determined by deep sequencing using testes from 2 independentWT mice

ORGANISM(S): Mus musculus

SUBMITTER: Sylvain LEMEILLE 

PROVIDER: E-GEOD-68282 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications


Spermatogenesis consists broadly of three phases: proliferation of diploid germ cells, meiosis, and finally extensive differentiation of the haploid cells into effective delivery vehicles for the paternal genome. Despite detailed characterization of many haploid developmental steps leading to sperm, only fragmentary information exists on the control of gene expression underlying these processes. Here we report that the RFX2 transcription factor is a master regulator of genes required for the hap  ...[more]

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