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The Ultrabithorax Hox gene of Drosophila controls haltere size by regulating the Dpp pathway

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dc.contributor Ministerio de Economía y Competitividad (España)
dc.contributor Comunidad de Madrid
dc.contributor Fundación Ramón Areces
dc.contributor Ministerio de Educación y Ciencia (España)
dc.contributor European Commission
dc.contributor Consejo Superior de Investigaciones Científicas (España)
dc.creator Navas, Luis de
dc.creator Garaulet, Daniel L.
dc.creator Sánchez-Herrero, Ernesto
dc.date 2008-05-30T11:04:59Z
dc.date 2008-05-30T11:04:59Z
dc.date 2006-10-18
dc.date.accessioned 2017-01-31T01:30:59Z
dc.date.available 2017-01-31T01:30:59Z
dc.identifier Development 133, 4495-4506 (2006)
dc.identifier 0950-1991
dc.identifier http://hdl.handle.net/10261/4685
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/4685
dc.description Article available at http://dx.doi.org/10.1242/dev.02609
dc.description The halteres and wings of Drosophila are homologous thoracic appendages, which share common positional information provided by signaling pathways. The activity in the haltere discs of the Ultrabithorax (Ubx) Hox gene establishes the differences between these structures, their different size being an obvious one. We show here that Ubx regulates the activity of the Decapentaplegic (Dpp) signaling pathway at different levels, and that this regulation is instrumental in establishing the size difference. Ubx downregulates dpp transcription and reduces Dpp diffusion by repressing the expression of master of thick veins and division abnormally delayed and by increasing the levels of thick veins, one of the Dpp receptors. Our results suggest that modulation in Dpp expression and spread accounts, in part, for the different size of halteres and wings.
dc.description This work was supported by grants from the Dirección General de Investigación Científica y Técnica (N° BMC 2002-00300), the Comunidad Autónoma de Madrid (N° GR/SAL/0147/2004) and an Institutional Grant from the Fundación Ramón Areces. L.d.N. is supported by a fellowship from the Spanish Ministerio de Educación y Ciencia and D.L.G. by a I3P fellowship, co-financed by the European Social Fund, from the C.S.I.C.
dc.description Peer reviewed
dc.format 1101474 bytes
dc.format 328008 bytes
dc.format 215985 bytes
dc.format 654660 bytes
dc.format application/pdf
dc.format application/pdf
dc.format application/pdf
dc.format application/pdf
dc.language eng
dc.publisher Company of Biologists
dc.rights openAccess
dc.subject Hox
dc.subject Ultrabithorax
dc.subject Decapentaplegic
dc.subject Size control
dc.subject Imaginal disc
dc.subject Drosophila
dc.title The Ultrabithorax Hox gene of Drosophila controls haltere size by regulating the Dpp pathway
dc.type Artículo


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