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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Interactions between JARID2 and noncoding RNAs regulate PRC2 recruitment to chromatin

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: Roberto Bonasio

PROVIDER: E-GEOD-48518 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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PAR-CLIP for JARID2 in mouse embryonic stem cells

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Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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Project description:During limb development, Hoxd genes are transcribed in two waves: Early on, when the arm and forearm are specified and subsequently, when digits form. While the latter phase is controlled by enhancers centromeric to the HoxD cluster, we show here that the early phase requires enhancers located in the opposite telomeric gene desert. The transition between the two types of regulations involves a functional switch between two distinct topological domains, as reflected by a subset of genes mapping centrally into the cluster, which initially interact with the telomeric domain and subsequently shift to establish new contacts on the opposite side. This transition between two regulatory landscapes generates an intermediate area of low Hox dose developing into the wrist, the transition between our arms and our hands. This intriguing correspondence between genomic and morphological boundaries illustrates the mechanism underlying collinear Hox gene regulation in our developing appendages. Circular Chromosome Conformation Capture (4C seq) at the HoxD locus in developing proximal and distal limbs at E9.5 and E12.5

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