Genome-Wide Binding of Posterior HOXA/D Transcription Factors Reveals Subgrouping and Association with CTCF
Publication Date
January 19, 2017
Authors
Ivana Jerković, Daniel M. Ibrahim, Guillaume Andrey, Stefan Haas, et al
Volume
13
Issue
1
Pages
e1006567
DOI
https://dx.plos.org/10.1371/journal.pgen.1006567
Publisher URL
http://journals.plos.org/plosgenetics/article?id=10.1371%2Fjournal.pgen.1006567
Scopus
85011339782
Mendeley
http://www.mendeley.com/research/genomewide-binding-posterior-hoxad-transcription-factors-reveals-subgrouping-association-ctcf
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Mendeley | Further Information

{"title"=>"Genome-Wide Binding of Posterior HOXA/D Transcription Factors Reveals Subgrouping and Association with CTCF", "type"=>"journal", "authors"=>[{"first_name"=>"Ivana", "last_name"=>"Jerković", "scopus_author_id"=>"57191571258"}, {"first_name"=>"Daniel M.", "last_name"=>"Ibrahim", "scopus_author_id"=>"55363605700"}, {"first_name"=>"Guillaume", "last_name"=>"Andrey", "scopus_author_id"=>"55759400900"}, {"first_name"=>"Stefan", "last_name"=>"Haas", "scopus_author_id"=>"57200185879"}, {"first_name"=>"Peter", "last_name"=>"Hansen", "scopus_author_id"=>"55827369000"}, {"first_name"=>"Catrin", "last_name"=>"Janetzki", "scopus_author_id"=>"23976267900"}, {"first_name"=>"Irene", "last_name"=>"González Navarrete", "scopus_author_id"=>"22633909000"}, {"first_name"=>"Peter N.", "last_name"=>"Robinson", "scopus_author_id"=>"7403719646"}, {"first_name"=>"Jochen", "last_name"=>"Hecht", "scopus_author_id"=>"24343662200"}, {"first_name"=>"Stefan", "last_name"=>"Mundlos", "scopus_author_id"=>"7005248176"}], "year"=>2017, "source"=>"PLoS Genetics", "identifiers"=>{"sgr"=>"85011339782", "doi"=>"10.1371/journal.pgen.1006567", "pui"=>"614304485", "pmid"=>"28103242", "scopus"=>"2-s2.0-85011339782", "issn"=>"15537404", "isbn"=>"1111111111"}, "id"=>"56b1d576-a36f-3c16-88bd-94607b3d9a70", "abstract"=>"Homeotic genes code for key transcription factors (HOX-TFs) that pattern the animal body plan. During embryonic development, Hox genes are expressed in overlapping patterns and function in a partially redundant manner. In vitro biochemical screens probing the HOX-TF sequence specificity revealed largely overlapping sequence preferences, indicating that co-factors might modulate the biological function of HOX-TFs. However, due to their overlapping expression pattern, high protein homology, and insufficiently specific antibodies, little is known about their genome-wide binding preferences. In order to overcome this problem, we virally expressed tagged versions of limb-expressed posterior HOX genes (HOXA9-13, and HOXD9-13) in primary chicken mesenchymal limb progenitor cells (micromass). We determined the effect of each HOX-TF on cellular differentiation (chondrogenesis) and gene expression and found that groups of HOX-TFs induce distinct regulatory programs. We used ChIP-seq to determine their individual genome-wide binding profiles and identified between 12,721 and 28,572 binding sites for each of the nine HOX-TFs. Principal Component Analysis (PCA) of binding profiles revealed that the HOX-TFs are clustered in two subgroups (Group 1: HOXA/D9, HOXA/D10, HOXD12, and HOXA13 and Group 2: HOXA/D11 and HOXD13), which are characterized by differences in their sequence specificity and by the presence of cofactor motifs. Specifically, we identified CTCF binding sites in Group 1, indicating that this subgroup of HOX-proteins cooperates with CTCF. We confirmed this interaction by an independent biological assay (Proximity Ligation Assay) and demonstrated that CTCF is a novel HOX cofactor that specifically associates with Group 1 HOX-TFs, pointing towards a possible interplay between HOX-TFs and chromatin architecture.", "link"=>"http://www.mendeley.com/research/genomewide-binding-posterior-hoxad-transcription-factors-reveals-subgrouping-association-ctcf", "reader_count"=>39, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Student > Doctoral Student"=>4, "Researcher"=>9, "Student > Ph. D. Student"=>16, "Student > Postgraduate"=>2, "Student > Master"=>2, "Student > Bachelor"=>2, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Student > Doctoral Student"=>4, "Researcher"=>9, "Student > Ph. D. Student"=>16, "Student > Postgraduate"=>2, "Student > Master"=>2, "Student > Bachelor"=>2, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Biochemistry, Genetics and Molecular Biology"=>16, "Agricultural and Biological Sciences"=>17, "Medicine and Dentistry"=>1, "Physics and Astronomy"=>1, "Immunology and Microbiology"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>2}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>17}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>16}, "Unspecified"=>{"Unspecified"=>2}}, "reader_count_by_country"=>{"United States"=>2, "United Kingdom"=>2, "Lithuania"=>1, "Switzerland"=>1, "Germany"=>1}, "group_count"=>0}

Scopus | Further Information

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