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Adams MA, Teeter JH, Katz Y, et al. Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies. J Chem Ecol. 1987;13(2):387-95doi: 10.1007/BF01025898.
Adams, M. A., Teeter, J. H., Katz, Y., & Johnsen, P. B. (1987). Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies. Journal of chemical ecology, 13(2), 387-95. https://doi.org/10.1007/BF01025898
Adams, M A, et al. "Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies." Journal of chemical ecology vol. 13,2 (1987): 387-95. doi: https://doi.org/10.1007/BF01025898
Adams MA, Teeter JH, Katz Y, Johnsen PB. Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies. J Chem Ecol. 1987 Feb;13(2):387-95. doi: 10.1007/BF01025898. PMID: 24301817.
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J Chem Ecol. 1987 Feb;13(2):387-95. doi: 10.1007/BF01025898.

Sex pheromones of the sea lamprey (Petromyzon marinus): Steroid studies.

Journal of chemical ecology

M A Adams, J H Teeter, Y Katz, P B Johnsen

Affiliations

  1. Monell Chemical Senses Center, University of Pennsylvania, 3500 Market Street, 19104, Philadelphia, Pennsylvania.

PMID: 24301817 DOI: 10.1007/BF01025898

Abstract

Pheromone-containing and pheromone-devoid samples of male sea lamprey (Petromyzon marinus) urine were analyzed for the concentrations of nine steroids [dehydroepiandrosterone (DHEA), testosterone (T), dihydrotestosterone (DHT), progesterone (P), androstenedione (A), estrone (E1), estradiol (E2), corticosterone (B), and cortisol (F)] by radioimmunoassay (RIA). Samples analyzed included native urine that had been enzymatically hydrolyzed with mixed β-glucuronidase/sulfatase. Values of the analyses were used to prepare solutions of the individual steroids for bioassay at concentrations which bracketed the urinary concentrations. Results show that only testosterone elicited a preference response in spawning-run female sea lampreys, and in concentrations three to four orders of magnitude greater than those found in active, unhydrolyzed male urine. The possibility that testosterone acts as a pheromone in this species is discussed.

References

  1. Steroids. 1977 Nov;30(5):679-89 - PubMed
  2. Gen Comp Endocrinol. 1982 Oct;48(2):261-8 - PubMed

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