Different patterns of testicular in vitro metabolism of (/sup 14/C)testosterone in several Betta (Anabantoidei, Belontiidae) species
Testicular tissues of Betta picta, Betta smaragdina, and the short-finned variety of Betta splendens were incubated with (/sup 14/C)testosterone at 27 degrees for 120 min and the metabolites were isolated and characterized by paper and thin-layer chromatography and eventually by crystallization to constant specific activity. The metabolic profiles of the species were totally different. The short-finned B. splendens formed mainly 11-ketotestosterone (51.4%) as does the veiltail variety. B. smaragdina was the only species which formed considerable amounts of conjugates (24.3%), whereas in B. picta almost exclusively reduced (5 beta-) compounds (66.2%) were metabolites of testosterone. The results are discussed to be attributable to differences in testicular steroid metabolism. The significance of this observation remains unclear.
- Research Organization:
- Universitaet Mainz, Germany, F.R.
- OSTI ID:
- 6071888
- Journal Information:
- Gen. Comp. Endocrinol.; (United States), Vol. 67:1
- Country of Publication:
- United States
- Language:
- English
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TESTOSTERONE
METABOLISM
ANDROGENS
CARBON 14 COMPOUNDS
COMPARATIVE EVALUATIONS
FISHES
GENETIC VARIABILITY
IN VITRO
METABOLITES
TESTES
THIN-LAYER CHROMATOGRAPHY
TISSUE CULTURES
TRACER TECHNIQUES
ANDROSTANES
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL VARIABILITY
BODY
CHROMATOGRAPHY
GONADS
HORMONES
HYDROXY COMPOUNDS
ISOTOPE APPLICATIONS
KETONES
LABELLED COMPOUNDS
MALE GENITALS
ORGANIC COMPOUNDS
ORGANS
SEPARATION PROCESSES
STEROID HORMONES
STEROIDS
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550501* - Metabolism- Tracer Techniques