Attenuated sensing of SHH by Ptch1 underlies evolution of bovine limbs.
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| Title: | Attenuated sensing of SHH by Ptch1 underlies evolution of bovine limbs. |
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| Authors: | Lopez-Rios, Javier, Duchesne, Amandine, Speziale, Dario, Andrey, Guillaume, Peterson, Kevin A., Germann, Philipp, Ünal, Erkan, Liu, Jing, Floriot, Sandrine, Barbey, Sarah, Gallard, Yves, Müller-Gerbl, Magdalena, Courtney, Andrew D., Klopp, Christophe, Rodriguez, Sabrina, Ivanek, Robert, Beisel, Christian, Wicking, Carol, Iber, Dagmar, Robert, Benoit |
| Source: | Nature. 7/3/2014, Vol. 511 Issue 7507, p46-51. 6p. |
| Subjects: | Bovine anatomy, Tetrapods, Gene expression, Hedgehog signaling proteins, Receptor-interacting proteins, Growth of the anatomical extremities, Cattle |
| Abstract: | The large spectrum of limb morphologies reflects the wide evolutionary diversification of the basic pentadactyl pattern in tetrapods. In even-toed ungulates (artiodactyls, including cattle), limbs are adapted for running as a consequence of progressive reduction of their distal skeleton to symmetrical and elongated middle digits with hoofed phalanges. Here we analyse bovine embryos to establish that polarized gene expression is progressively lost during limb development in comparison to the mouse. Notably, the transcriptional upregulation of the Ptch1 gene, which encodes a Sonic hedgehog (SHH) receptor, is disrupted specifically in the bovine limb bud mesenchyme. This is due to evolutionary alteration of a Ptch1 cis-regulatory module, which no longer responds to graded SHH signalling during bovine handplate development. Our study provides a molecular explanation for the loss of digit asymmetry in bovine limb buds and suggests that modifications affecting the Ptch1 cis-regulatory landscape have contributed to evolutionary diversification of artiodactyl limbs. [ABSTRACT FROM AUTHOR] |
| Copyright of Nature is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Psychology and Behavioral Sciences Collection |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: pbh DbLabel: Psychology and Behavioral Sciences Collection An: 96923481 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1038/nature13289 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 46 Subjects: – SubjectFull: Bovine anatomy Type: general – SubjectFull: Tetrapods Type: general – SubjectFull: Gene expression Type: general – SubjectFull: Hedgehog signaling proteins Type: general – SubjectFull: Receptor-interacting proteins Type: general – SubjectFull: Growth of the anatomical extremities Type: general – SubjectFull: Cattle Type: general Titles: – TitleFull: Attenuated sensing of SHH by Ptch1 underlies evolution of bovine limbs. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Lopez-Rios, Javier – PersonEntity: Name: NameFull: Duchesne, Amandine – PersonEntity: Name: NameFull: Speziale, Dario – PersonEntity: Name: NameFull: Andrey, Guillaume – PersonEntity: Name: NameFull: Peterson, Kevin A. – PersonEntity: Name: NameFull: Germann, Philipp – PersonEntity: Name: NameFull: Ünal, Erkan – PersonEntity: Name: NameFull: Liu, Jing – PersonEntity: Name: NameFull: Floriot, Sandrine – PersonEntity: Name: NameFull: Barbey, Sarah – PersonEntity: Name: NameFull: Gallard, Yves – PersonEntity: Name: NameFull: Müller-Gerbl, Magdalena – PersonEntity: Name: NameFull: Courtney, Andrew D. – PersonEntity: Name: NameFull: Klopp, Christophe – PersonEntity: Name: NameFull: Rodriguez, Sabrina – PersonEntity: Name: NameFull: Ivanek, Robert – PersonEntity: Name: NameFull: Beisel, Christian – PersonEntity: Name: NameFull: Wicking, Carol – PersonEntity: Name: NameFull: Iber, Dagmar – PersonEntity: Name: NameFull: Robert, Benoit IsPartOfRelationships: – BibEntity: Dates: – D: 03 M: 07 Text: 7/3/2014 Type: published Y: 2014 Identifiers: – Type: issn-print Value: 00280836 Numbering: – Type: volume Value: 511 – Type: issue Value: 7507 Titles: – TitleFull: Nature Type: main |
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