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  • Key words. pheromone - sex pheromone - egg release pheromone - marine invertebrate - polychaete - Nereis succinea - inosine - nucleoside - glutamic acid - glutamine  (1)
  • purine  (1)
  • Springer  (2)
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  • Springer  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Inosine, L-glutamic acid and L-glutamine as components of a sex pheromone complex of the marine polychaete Nereis succinea (Annelida: Polychaeta) (1998)
    Springer
    Chemoecology 8 (1998), S. 77-84 
    Details
    ISSN: 1423-0445
    Keywords: Key words. pheromone - sex pheromone - egg release pheromone - marine invertebrate - polychaete - Nereis succinea - inosine - nucleoside - glutamic acid - glutamine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary. Pheromones released by male marine polychaetes Nereis succinea (Frey & Leuckart 1847) initiate egg release in mature females. Here we describe isolation and identification of components of the egg release pheromone bouquet from the coelomic fluid of sexually mature males. Inosine, L-glutamic acid and L-glutamine are identified to be components. Inosine, an egg release component, has a response threshold that is reduced eightfold by simultaneous presentation 1 : 1 with L-glutamic acid or L-glutamine. A fourth substance in the bouquet is tentatively identified as guanosine. The natural relative concentrations of all members of the pheromone bouquet and their mutual influence must still be explored.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00001807
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  • 2
    Electronic Resource
    Electronic Resource
    Uric Acid: The Sperm-Release Pheromone of the Marine Polychaete Platynereis dumerilii (1998)
    Springer
    Journal of chemical ecology 24 (1998), S. 13-22 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; sperm release ; egg release ; uric acid ; purine ; reproduction ; polychaete ; Annelida ; Platynereis dumerilii ; coelomic fluid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In the marine polychaete, Platynereis dumerilii, reproductive behavior in the two sexes is synchronized by the consecutive discharge of male and female sex-specific pheromones. After the female releases the eggs into the free water column, immediate fertilization is achieved by several males circling around the eggs emitting sperm clouds. We report the isolation and identification of the sperm-release pheromone present in the coelomic fluid of sexually mature females. Each step in isolation was guided by bioassay. Isolation methods included extraction and solvent partitioning and separation methods included ultrafiltration and high-performance liquid chromatography. Uric acid was identified as the sperm-release pheromone that is discharged by the female with release of the eggs. The threshold concentration for sperm release by males was determined as 0.6 μM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022328610423
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    Paper (German National Licenses)
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