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Theoretical morphology of developmental asymmetries
Diego Rasskin-Gutman1, Juan Carlos Izpisúa-Belmonte
1Gene Expression Laboratory, The Salk Institute, 10010 North Torrey Pines Road, La Jolla, CA 92037-1099, USA. rasskin@salk.edu
Summary
Ontogenetic trajectories can model theoretical morphospaces, aiding understanding of how organismal form develops. This approach offers new insights into vertebrate heart development and left-right asymmetry.
Area of Science:
- Evolutionary Biology
- Developmental Biology
- Paleontology
Background:
- Morphospaces are theoretical frameworks used to analyze organismal morphology.
- Paleontology primarily utilizes morphospaces to study fossilized hard parts.
- Understanding phenotype generation requires abstracting fundamental aspects of form.
Purpose of the Study:
- To propose ontogenetic trajectories as generative functions for building morphospaces.
- To develop theoretical models for studying left-right asymmetry in vertebrate heart embryogenesis.
Main Methods:
- Conceptualizing ontogenetic trajectories as the basis for morphospace construction.
- Developing theoretical models for embryonic development of asymmetry.
Main Results:
- Ontogenetic trajectories can serve as the generative functions that construct morphospaces.
- Proposed approaches for modeling left-right asymmetry in vertebrate heart development.
Conclusions:
- Integrating ontogenetic trajectories enhances morphospace utility for understanding phenotypic variation.
- This framework provides a novel approach to studying developmental processes like cardiac asymmetry.