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Developmental noise, entropy, and biological system condition.

Vladimir M Zakharov1, Ilya E Trofimov1

  • 1Koltzov Institute of Developmental Biology of the Russian Academy of Sciences, Russia.

Bio Systems
|August 18, 2024
PubMed
Summary
This summary is machine-generated.

Developmental noise, a measure of biological disorder, reflects system condition and phenotypic diversity. It offers a more universal indicator of biological system disorder than community-level biodiversity indices.

Keywords:
BiodiversityBiological system conditionDevelopmental homeostasisDevelopmental noiseEntropy

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Area of Science:

  • Developmental biology
  • Systems biology
  • Thermodynamics

Background:

  • Developmental noise represents a permissible level of entropy, balancing precision and cost in genetic information realization.
  • Noise is a measure of acceptable disorder for reliable biological system operation and contributes to phenotypic diversity.
  • Developmental noise is linked to energy metabolism and developmental homeostasis, encompassing canalization and developmental stability.

Purpose of the Study:

  • To investigate the role of developmental noise as an indicator of biological system condition.
  • To compare the universality of developmental noise as a measure of disorder versus community-level biodiversity indices.

Main Methods:

  • The study analyzes developmental noise in the context of entropy and its relation to phenotypic variability.
  • It examines the connection between thermodynamic characteristics, energy metabolism, and developmental noise.
  • Comparative analysis of developmental noise and biodiversity indices as measures of biological disorder.

Main Results:

  • Changes in developmental noise levels directly reflect alterations in the biological system's condition.
  • Developmental noise is a more unambiguous and universal measure of biological system disorder than biodiversity indices.
  • Phenotypic variability is significantly influenced by developmental homeostasis, with noise level indicating developmental stability.

Conclusions:

  • Developmental noise serves as a crucial, universal indicator of biological system disorder.
  • Understanding developmental noise provides insights into phenotypic diversity and system reliability.
  • Entropy indices at the developmental noise level offer a more consistent measure of biological disorder compared to community-level metrics.