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Article: Genotype, phenotype, and developmental biology of molar tooth characters.

TitleGenotype, phenotype, and developmental biology of molar tooth characters.
Authors
KeywordsDental Traits
Dentition
Evolvability
Morphogenesis
Teeth
Issue Date2000
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/28130
Citation
American Journal Of Physical Anthropology, 2000, v. Suppl 31, p. 171-190 How to Cite?
AbstractPrimate molar shapes reflect developmental and ecological processes. Development may constrain as well as facilitate evolution of new tooth shapes, affecting how reliable dental characters are in phylogenetic studies. Much of the genetic machinery of development uses the same genes among different organs, including teeth, limbs, and feathers. Furthermore, within a tooth, the development of individual cusps repeatedly uses the same set of developmental genes, forming a "developmental module." The repeated activation of the developmental module can explain the cumulative variation in later-developing cusps. Therefore short, later-developing cusps may be evolvable but also more homoplastic. This patterning cascade mode of cusp development can be used to explain the variational properties of dental characters and character states related to cusp initiation. The developmental basis and variational properties of crown termination, cusp shape, and cusp configuration characters are currently less well understood. It is unlikely that there is a simple "gene to phenotype" map for dental characters. Rather, the whole cusp pattern is a product of a dynamic developmental program manifested in the activation of the developmental modules.
Persistent Identifierhttp://hdl.handle.net/10722/169537
ISSN
2015 Impact Factor: 2.402
2015 SCImago Journal Rankings: 1.410

 

DC FieldValueLanguage
dc.contributor.authorJernvall, Jen_US
dc.contributor.authorJung, HSen_US
dc.date.accessioned2012-10-25T04:52:39Z-
dc.date.available2012-10-25T04:52:39Z-
dc.date.issued2000en_US
dc.identifier.citationAmerican Journal Of Physical Anthropology, 2000, v. Suppl 31, p. 171-190en_US
dc.identifier.issn0002-9483en_US
dc.identifier.urihttp://hdl.handle.net/10722/169537-
dc.description.abstractPrimate molar shapes reflect developmental and ecological processes. Development may constrain as well as facilitate evolution of new tooth shapes, affecting how reliable dental characters are in phylogenetic studies. Much of the genetic machinery of development uses the same genes among different organs, including teeth, limbs, and feathers. Furthermore, within a tooth, the development of individual cusps repeatedly uses the same set of developmental genes, forming a "developmental module." The repeated activation of the developmental module can explain the cumulative variation in later-developing cusps. Therefore short, later-developing cusps may be evolvable but also more homoplastic. This patterning cascade mode of cusp development can be used to explain the variational properties of dental characters and character states related to cusp initiation. The developmental basis and variational properties of crown termination, cusp shape, and cusp configuration characters are currently less well understood. It is unlikely that there is a simple "gene to phenotype" map for dental characters. Rather, the whole cusp pattern is a product of a dynamic developmental program manifested in the activation of the developmental modules.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/28130en_US
dc.relation.ispartofAmerican Journal of Physical Anthropologyen_US
dc.subjectDental Traits-
dc.subjectDentition-
dc.subjectEvolvability-
dc.subjectMorphogenesis-
dc.subjectTeeth-
dc.subject.meshAnimalsen_US
dc.subject.meshBiological Evolutionen_US
dc.subject.meshGenetics, Populationen_US
dc.subject.meshGenotypeen_US
dc.subject.meshHumansen_US
dc.subject.meshMolar - Anatomy & Histology - Growth & Developmenten_US
dc.subject.meshPhenotypeen_US
dc.subject.meshPrimates - Anatomy & Histologyen_US
dc.titleGenotype, phenotype, and developmental biology of molar tooth characters.en_US
dc.typeArticleen_US
dc.identifier.emailJung, HS: hsjung@yuhs.acen_US
dc.identifier.authorityJung, HS=rp01683en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid11123840en_US
dc.identifier.scopuseid_2-s2.0-0000093272en_US
dc.identifier.volumeSuppl 31en_US
dc.identifier.spage171en_US
dc.identifier.epage190en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridJernvall, J=6603722003en_US
dc.identifier.scopusauthoridJung, HS=7403030195en_US

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