Functional constraints on tooth morphology in carnivorous mammals
نویسندگان
چکیده
منابع مشابه
Biting through constraints: cranial morphology, disparity and convergence across living and fossil carnivorous mammals.
Carnivory has evolved independently several times in eutherian (including placental) and metatherian (including marsupial) mammals. We used geometric morphometrics to assess convergences associated with the evolution of carnivory across a broad suite of mammals, including the eutherian clades Carnivora and Creodonta and the metatherian clades Thylacoleonidae, Dasyuromorphia, Didelphidae and Bor...
متن کاملMajor taste loss in carnivorous mammals.
Mammalian sweet taste is primarily mediated by the type 1 taste receptor Tas1r2/Tas1r3, whereas Tas1r1/Tas1r3 act as the principal umami taste receptor. Bitter taste is mediated by a different group of G protein-coupled receptors, the Tas2rs, numbering 3 to ∼66, depending on the species. We showed previously that the behavioral indifference of cats toward sweet-tasting compounds can be explaine...
متن کاملThe tooth of perfection: functional and spatial constraints on mammalian tooth shape
This paper addresses the question of how close mammalian teeth are to ideal functional forms. An ‘ideal’ form is a morphology predicted to be the best functional shape according to information of the relationships between shape and function. Deviations from an ideal form are likely to indicate the presence of developmental or genetic constraints on form. Model tools were constructed to conform ...
متن کاملConstraints on reinitiation of translation in mammals.
The efficiency of reinitiation in mammalian translation systems depends in part on the size and arrangement of upstream open reading frames (upORFs). The gradual decrease in reinitiation as an upORF is lengthened, confirmed here using a variety of sequences, might reflect time-dependent loss of protein factors required for reinitiation. Consistent with the idea that the duration of elongation i...
متن کاملThe scaling of tooth sharpness in mammals
1) School of Biological Sciences, Monash University, Clayton Campus, Victoria 3800, Australia 2) Current address: Institute of Biotechnology, P.O. Box 56 (Viikinkaari 9), FI-00014 University of Helsinki, Finland (e-mail: [email protected]) 3) Department of Evolution, Ecology, and Organismal Biology, Ohio State University at Newark, 1179 University Drive, Newark, OH 43055, USA 4) Department of...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BMC Evolutionary Biology
سال: 2012
ISSN: 1471-2148
DOI: 10.1186/1471-2148-12-146