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Multi-species Conserved Sequences02:51

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Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
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Following the Dynamics of Structural Variants in Experimentally Evolved Populations
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Development necessitates evolutionarily conserved factors.

Paco C K Chow1, Peter J Bentley2

  • 1Department of Computer Science, University College London, WC1E 6BT, London, UK. cc2267@njit.edu.

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Early generalized factors are crucial for biological development. A Neural Cellular Automata model shows these factors can emerge in artificial development, conserving strategies for new forms.

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Area of Science:

  • Developmental biology
  • Computational modeling
  • Evolutionary developmental biology

Background:

  • Early-stage generalized transcription factors are essential and conserved in biological development.
  • Understanding the fundamental principles of developmental control is key.

Purpose of the Study:

  • To investigate if functionally analogous early factors emerge in artificial development.
  • To explore the generalizability of developmental strategies in computational models.

Main Methods:

  • Analysis of a Neural Cellular Automata (NCA) model of morphogenesis.
  • Testing transfer learning capabilities for different morphologies.
  • Examining properties of hidden units in the NCA model.

Main Results:

  • Hidden units in the NCA model exhibited functional analogies to early biological developmental factors.
  • Learned developmental strategies were reused for new morphologies.
  • Early generalized factors were conserved within the model's learning process.

Conclusions:

  • Nature may not be limited to one method for developing multicellular organisms.
  • Early generalized factors appear fundamental to development, irrespective of implementation.
  • Evolutionary conservation of these factors might be a universal principle.