Studying developmental variation with Geometric Morphometric Image Analysis (GMIA).

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ID: 70033
2014
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Abstract
The ways in which embryo development can vary across individuals of a population determine how genetic variation translates into adult phenotypic variation. The study of developmental variation has been hampered by the lack of quantitative methods for the joint analysis of embryo shape and the spatial distribution of cellular activity within the developing embryo geometry. By drawing from the strength of geometric morphometrics and pixel/voxel-based image analysis, we present a new approach for the biometric analysis of two-dimensional and three-dimensional embryonic images. Well-differentiated structures are described in terms of their shape, whereas structures with diffuse boundaries, such as emerging cell condensations or molecular gradients, are described as spatial patterns of intensities. We applied this approach to microscopic images of the tail fins of larval and juvenile rainbow trout. Inter-individual variation of shape and cell density was found highly spatially structured across the tail fin and temporally dynamic throughout the investigated period.
Reference Key
mayer2014studyingplos Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mayer, Christine;Metscher, Brian D;Müller, Gerd B;Mitteroecker, Philipp;
Journal PloS one
Year 2014
DOI
10.1371/journal.pone.0115076
URL
http://europepmc.org/articles/PMC4264869?pdf=render
Keywords
functional morphology micro-ct chiroptera x-ray microtomography 3d model iodine stain penis bone

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