Cloning of somatolactin alpha, beta forms and the somatolactin receptor in Atlantic salmon: Seasonal expression profile in pituitary and ovary of maturing female broodstock
2008

Cloning and Role of Somatolactin in Atlantic Salmon

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Susana Benedet, Björn Thrandur Björnsson, Geir Lasse Taranger, Eva Andersson

Primary Institution: Department of Zoology/Zoophysiology, University of Gothenburg

Hypothesis

What is the role of somatolactin in the sexual maturation of female Atlantic salmon?

Conclusion

The study found that somatolactin alpha and beta are up-regulated during gonadal growth and spawning in female Atlantic salmon.

Supporting Evidence

  • Somatolactin alpha and beta transcripts increased before and during spawning.
  • There was a decrease in somatolactin expression post-ovulation.
  • The study covered a 17-month period of reproductive cycle in female salmon.

Takeaway

This study looked at a hormone called somatolactin in salmon and found it helps the fish grow and get ready to lay eggs.

Methodology

The researchers cloned somatolactin genes and studied their expression in salmon over a 17-month period using RTqPCR.

Limitations

The study did not precisely distinguish between different roles associated with reproductive development.

Participant Demographics

3+ year old female Atlantic salmon

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-7827-6-42

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