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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
XChromosomal contact permits transcription between coregulated genes
Cell, Volume 155, No. 3, Year 2013
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Description
Transcription of coregulated genes occurs in the context of long-range chromosomal contacts that form multigene complexes. Such contacts and transcription are lost in knockout studies of transcription factors and structural chromatin proteins. To ask whether chromosomal contacts are required for cotranscription in multigene complexes, we devised a strategy using TALENs to cleave and disrupt gene loops in a well-characterized multigene complex. Monitoring this disruption using RNA FISH and immunofluorescence microscopy revealed that perturbing the site of contact had a direct effect on transcription of other interacting genes. Unexpectedly, this effect on cotranscription was hierarchical, with dominant and subordinate members of the multigene complex engaged in both intra- and interchromosomal contact. This observation reveals the profound influence of these chromosomal contacts on the transcription of coregulated genes in a multigene complex. © 2013 Elsevier Inc.
Authors & Co-Authors
Fanucchi, Stephanie
South Africa, Pretoria
The Council for Scientific and Industrial Research
Shibayama, Youtaro
South Africa, Pretoria
The Council for Scientific and Industrial Research
Burd, Shaun
South Africa, Pretoria
The Council for Scientific and Industrial Research
Weinberg, Marc S.
South Africa, Johannesburg
School of Pathology
United States, San Diego
Scripps Research Institute
Mhlanga, Musa M.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Portugal, Lisbon
Universidade de Lisboa
Statistics
Citations: 175
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/j.cell.2013.09.051
ISSN:
00928674
e-ISSN:
10974172
Research Areas
Genetics And Genomics