| http://purl.uniprot.org/citations/17113575 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/17113575 | http://www.w3.org/2000/01/rdf-schema#comment | "The Hoxa2 gene is an important component of regulatory events during hindbrain segmentation and head development in vertebrates. In this study we have used sequenced comparisons of the Hoxa2 locus from 12 vertebrate species in combination with detailed regulatory analyses in mouse and chicken embryos to characterize the mechanistic basis for the regulation of Hoxa2 in rhombomere (r) 4. A highly conserved region in the Hoxa2 intron functions as an r4 enhancer. In vitro binding studies demonstrate that within the conserved region three bipartite Hox/Pbx binding sites (PH1-PH3) in combination with a single binding site for Pbx-Prep/Meis (PM) heterodimers co-operate to regulate enhancer activity in r4. Mutational analysis reveals that these sites are required for activity of the enhancer, suggesting that the r4 enhancer from Hoxa2 functions in vivo as a Hox-response module in combination with the Hox cofactors, Pbx and Prep/Meis. Furthermore, this r4 enhancer is capable of mediating a response to ectopic HOXB1 expression in the hindbrain. These findings reveal that Hoxa2 is a target gene of Hoxb1 and permit us to develop a gene regulatory network for r4, whereby Hoxa2, along with Hoxb1, Hoxb2 and Hoxa1, is integrated into a series of auto- and cross-regulatory loops between Hox genes. These data highlight the important role played by direct cross-talk between Hox genes in regulating hindbrain patterning."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.ydbio.2006.10.029"xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Blasi F."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Wiedemann L.M."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Krumlauf R."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Ferretti E."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Tumpel S."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/author | "Cambronero F."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/date | "2007"xsd:gYear |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/name | "Dev Biol"xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/pages | "646-660"xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/title | "Expression of Hoxa2 in rhombomere 4 is regulated by a conserved cross-regulatory mechanism dependent upon Hoxb1."xsd:string |
| http://purl.uniprot.org/citations/17113575 | http://purl.uniprot.org/core/volume | "302"xsd:string |
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| http://purl.uniprot.org/citations/17113575 | http://xmlns.com/foaf/0.1/primaryTopicOf | https://pubmed.ncbi.nlm.nih.gov/17113575 |
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