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Evolution, Expression, and Function of Gonadal Somatic Cell-Derived Factor.

Chen-Wei Hsu1, Bon-Chu Chung1

  • 1Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan.

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|July 26, 2021
PubMed
Summary
This summary is machine-generated.

Gonadal somatic cell-derived factor (Gsdf) shows diverse roles in fish gonad development, unlike mammals. This review explores Gsdf

Keywords:
developmentevolutiongonadgsdfoocyteovaryteleosttestis

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Area of Science:

  • Comparative genomics
  • Developmental biology
  • Evolutionary biology

Background:

  • Fish gonads exhibit diverse development distinct from mammalian systems.
  • Species-specific factors contribute to this developmental diversity.
  • Gonadal somatic cell-derived factor (Gsdf) is a key factor in fish gonad development.

Purpose of the Study:

  • To summarize the evolutionary aspects of Gsdf expression, regulation, and function in fish.
  • To highlight the commonalities and variations in Gsdf's role across different fish species.
  • To provide insights into the genetic basis of reproductive diversity in teleosts.

Main Methods:

  • Literature review of studies on Gsdf in various fish species.
  • Comparative analysis of Gsdf gene presence and expression patterns.
  • Examination of Gsdf's functional roles in germ cell and gonad development.

Main Results:

  • The Gsdf gene is predominantly found in teleosts, with evidence of gene loss in tetrapods.
  • Gsdf transcripts are mainly expressed in gonadal somatic cells (Sertoli and granulosa cells).
  • Gsdf functions variably, influencing germ cell proliferation, gonad formation, and sex determination.

Conclusions:

  • Gsdf is a crucial and evolutionarily conserved factor in fish gonadogenesis.
  • The diverse functions of Gsdf contribute significantly to the reproductive diversity observed in fish.
  • Understanding Gsdf provides a framework for studying fish reproductive biology and evolution.