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The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
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Illuminating the chicken model through genetic modification.

Megan G Davey1, Adam Balic, Joe Rainger

  • 1Roslin Institute Chicken Embryology (RICE), The Roslin Institute and Royal Dick School of Veterinary Studies, University of Edinburgh, Midlothian, UK. megan.davey@roslin.ed.ac.uk.

The International Journal of Developmental Biology
|April 5, 2018
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Summary
This summary is machine-generated.

Chicken genome modification techniques are now robust and efficient, overcoming previous challenges. This positions the chicken as a versatile model organism for developmental biology research and understanding embryogenesis mechanisms.

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Area of Science:

  • Genetics and Genomics
  • Developmental Biology
  • Animal Models

Background:

  • Decades of research investment have led to significant advancements in genetic modification techniques.
  • The chicken (Gallus gallus domesticus) presents unique biological and methodological challenges for genome manipulation.
  • Overcoming these hurdles has transformed the chicken into a modern, cutting-edge model organism.

Purpose of the Study:

  • To review recent advances in chicken genome modification.
  • To highlight the development and application of transgenic chicken models.
  • To elucidate the mechanisms of embryogenesis using these advanced models.

Main Methods:

  • Description of recent genetic engineering techniques applicable to the chicken.
  • Discussion of methods for stable and functional transgene integration.
  • Overview of the creation and utilization of various transgenic chicken models.

Main Results:

  • Robust and efficient methods for chicken genome modification are now available.
  • Transgenic chickens have been successfully developed for research purposes.
  • These models facilitate the study of complex developmental processes.

Conclusions:

  • The chicken is now a highly capable and versatile model organism for developmental biology.
  • Advances in genetic modification open new avenues for embryogenesis research.
  • Transgenic chicken models are crucial for unraveling fundamental biological mechanisms.