Expression patterns of threespine stickleback Hox genes and insights into the evolution of the vertebrate body axis
dc.contributor.author | Ahn, D. | en_US |
dc.contributor.author | Gibson, Greg | en_US |
dc.date.accessioned | 2006-09-08T20:07:51Z | |
dc.date.available | 2006-09-08T20:07:51Z | |
dc.date.issued | 1999-07 | en_US |
dc.identifier.citation | Ahn, D.; Gibson, G.; (1999). "Expression patterns of threespine stickleback Hox genes and insights into the evolution of the vertebrate body axis." Development, Genes and Evolution 209(8): 482-494. <http://hdl.handle.net/2027.42/42249> | en_US |
dc.identifier.issn | 0949-944X | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/42249 | |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=10415325&dopt=citation | en_US |
dc.description.abstract | Understanding the patterning mechanisms that operate to promote differentiation of individual segments along the main body axis is an important goal of both developmental and evolutionary biology. In order to gain a better insight into the role of Hox genes in generating diversity of axial plans seen in vertebrates, we have cloned 11 homeobox sequences from an acanthopterygian teleost, the threespine stickleback, and analyzed the expression of 7 of these during embryogenesis. Transcripts are observed in a variety of tissues, including the neural tube, paraxial mesoderm, lateral plate mesoderm, pectoral fins, pronephric ducts, as well as some neural crest-derived structures. Anterior limits of expression in the central nervous system and paraxial mesoderm exhibited both similarities and differences to those of mouse and zebrafish homologs. In both stickleback and zebrafish embryos expression limits within the paraxial mesoderm were detected only within the trunk region in which ribs are attached to all vertebrae. The finding of this pattern in two divergent teleosts as well as in various tetrapod species supports the hypothesis that a Hox precode was present prior to the divergence of ray-finned and lobe-finned fishes and was subsequently used to generate different types of vertebrae in tetrapods. We also describe a dynamic pattern of expression of several stickleback Hox genes associated with the development of the caudal paraxial mesoderm, which suggests uncoupling of the process of segmentation from segmental identity determination. We propose that in fishes the patterning of the tail region is under the control of a separate mechanism from the trunk, which utilizes Hox genes in a different manner. | en_US |
dc.format.extent | 595615 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Springer-Verlag; Springer-Verlag Berlin Heidelberg | en_US |
dc.subject.other | Hox Code | en_US |
dc.subject.other | Tail Development | en_US |
dc.subject.other | Legacy | en_US |
dc.subject.other | Key Words Threespine Stickleback | en_US |
dc.subject.other | Hox Genes | en_US |
dc.subject.other | Body Axis | en_US |
dc.title | Expression patterns of threespine stickleback Hox genes and insights into the evolution of the vertebrate body axis | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Genetics | en_US |
dc.subject.hlbsecondlevel | Molecular, Cellular and Developmental Biology | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Biology, University of Michigan, Ann Arbor, MI 48109, USA, US | en_US |
dc.contributor.affiliationum | Department of Biology, University of Michigan, Ann Arbor, MI 48109, USA, US | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.identifier.pmid | 10415325 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/42249/1/427-209-8-482_92090482.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/s004270050281 | en_US |
dc.identifier.source | Development, Genes and Evolution | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
Files in this item
Remediation of Harmful Language
The University of Michigan Library aims to describe library materials in a way that respects the people and communities who create, use, and are represented in our collections. Report harmful or offensive language in catalog records, finding aids, or elsewhere in our collections anonymously through our metadata feedback form. More information at Remediation of Harmful Language.
Accessibility
If you are unable to use this file in its current format, please select the Contact Us link and we can modify it to make it more accessible to you.