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Biophysical constraints on the evolution of tissue structure and function.

P J Hunter1, B de Bono2

  • 1Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand University of Oxford, Oxford, UK p.hunter@auckland.ac.nz.

The Journal of Physiology
|June 3, 2014
PubMed
Summary
This summary is machine-generated.

This study proposes a new framework for modeling tissue evolution by integrating biophysics and molecular biochemistry. It introduces functional tissue units (FTUs) and non-dimensional numbers for comparative evolutionary analysis.

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Area of Science:

  • Evolutionary biology
  • Biophysics
  • Molecular biology

Background:

  • Phylogenetic analyses of molecular sequences are widely used for cataloguing and modeling nucleic acids and proteins.
  • These techniques have been extended to study the evolution of protein interaction networks and their impact on molecular function.
  • The study explores extending phylogenetic analysis to investigate tissue structure and function.

Purpose of the Study:

  • To develop a framework for modeling tissue evolution by linking continuum biophysics with discrete molecular biochemistry.
  • To propose a multiscale hierarchy of functional tissue units (FTUs) for analyzing tissue evolution.
  • To introduce non-dimensional numbers as metrics for comparative evolutionary studies of tissues.

Main Methods:

  • Discussing functional tissue units (FTUs) and their associated biophysical constraints.
  • Combining a multiscale hierarchy of FTUs with physical laws to model molecular interaction networks and flow processes.
  • Deriving non-dimensional numbers from biophysical equations within FTUs for comparative analysis.

Main Results:

  • A rationale for modeling tissue evolution is presented, integrating biophysical and biochemical descriptions.
  • A multiscale hierarchy of functional tissue units (FTUs) is proposed.
  • Non-dimensional numbers are suggested as metrics for cross-individual, cross-species, and evolutionary time comparisons.

Conclusions:

  • Linking continuum biophysics with discrete molecular biochemistry is crucial for advancing the study of tissue phylogeny.
  • The proposed framework using FTUs and non-dimensional numbers provides a basis for phylogenetic analysis of tissue evolution.
  • Understanding biophysical constraints on molecular networks within tissues is key to cataloguing and analyzing tissue evolution.