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Decreased Cdk2 Activity Hindered Embryonic Development and Parthenogenesis Induction in Silkworm, Bombyx mori L

Chengjie Hu1,2, Yonghou Jiang1, Chenkai Ma1,2

  • 1College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China.

International Journal of Molecular Sciences
|April 17, 2025
PubMed

Insights

Cyclin-dependent protein kinase 2 (Cdk2) is vital for successful parthenogenesis in silkworms. Inhibiting Cdk2 reduces the parthenogenesis rate and delays embryo development, highlighting its role in reproductive regulation.

Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Reproductive Biology

Background:

  • Cyclin-dependent protein kinase 2 (Cdk2) is a key regulator in cellular processes.
  • Cdk2 has been implicated in meiotic regulation in mammalian oocytes.

Purpose of the Study:

  • To investigate the function of Cdk2 in parthenogenesis in the silkworm, Bombyx mori.
  • To explore Cdk2 as a potential target for reproductive regulation.

Main Methods:

  • Comparison of Cdk2 activity in parthenogenetic lines (PLs) and amphigonic lines (ALs).
  • Pharmacological inhibition of Cdk2 using the specific inhibitor AUZ454.

Main Results:

  • A positive correlation was observed between Cdk2 activity and the parthenogenesis induction rate.
  • Inhibition of Cdk2 significantly decreased the parthenogenesis rate and induced developmental delays in embryos.

Conclusions:

  • Cdk2 plays an essential role in the success of parthenogenesis in Bombyx mori.
  • Cdk2 is a potential target gene for modulating biological reproduction.
Keywords:
AUZ454Cdk2embryooocytessilkworm

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