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Sammanfattning

To achieve a better understanding of the role of gonadotropins (GTHs) in the stickleback we have cloned the full-length cDNAs of the beta-subunits of follicle stimulating hormone (FSH) and luteinizing hormone (LH), and analysed the expression during the seasonal cycle. In females, LH-beta levels were low during winter and early spring, increased to a peak in late May and declined to low levels again in July. FSH-beta expression peaked earlier, in January and declined spring. In males, LH-beta expression peaked in May. During June-September, when spermatogenesis occurs, LH-beta levels were very low. FSH-beta expression peaked earlier, in January, and reached the lowest levels in July. Thus, when spermatogenesis starts, the expression of both GTH-beta mRNAs display their lowest levels.

Publicerad i

Fish Physiology and Biochemistry
2003, volym: 28, nummer: 45661, sidor: 93-94
Utgivare: Springer Verlag (Germany)

SLU författare

  • Schmitz, Monica

    • Institutionen för vattenbruk, Sveriges lantbruksuniversitet

UKÄ forskningsämne

Fisk- och akvakulturforskning

Publikationens identifierare

  • DOI: https://doi.org/10.1023/B:FISH.0000030485.70984.f2

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/4288