دورية أكاديمية
أعرض في EDS

A Multi-Component Pheromone in the Urine of Dominant Male Tilapia (Oreochromis mossambicus) Reduces Aggression in Rivals.

التفاصيل البيبلوغرافية
العنوان: A Multi-Component Pheromone in the Urine of Dominant Male Tilapia (Oreochromis mossambicus) Reduces Aggression in Rivals.
المؤلفون: Keller-Costa T; Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.; Departamento de Biologia, Universidade de Evora, Evora, Portugal., Saraiva JL; Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal., Hubbard PC; Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal. phubbard@ualg.pt., Barata EN; Departamento de Biologia, Universidade de Evora, Evora, Portugal., Canário AV; Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.
المصدر: Journal of chemical ecology [J Chem Ecol] 2016 Feb; Vol. 42 (2), pp. 173-82. Date of Electronic Publication: 2016 Feb 04.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 7505563 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1573-1561 (Electronic) Linking ISSN: 00980331 NLM ISO Abbreviation: J Chem Ecol Subsets: MEDLINE
أسماء مطبوعة: Publication: New York, NY : Springer
Original Publication: New York, Plenum Press.
مواضيع طبية MeSH: Aggression* , Behavior, Animal*, Sex Attractants/*urine , Tilapia/*physiology, Animals ; Female ; Male
مستخلص: Males often use scent to communicate their dominance, and to mediate aggressive and breeding behaviors. In teleost fish, however, the chemical composition of male pheromones is poorly understood. Male Mozambique tilapia, Oreochromis mossambicus, use urine that signals social status and primes females to spawn. The urinary sex pheromone directed at females consists of 5β-pregnane-3α,17α,20β-triol 3-glucuronate and its 20α-epimer. The concentration of these is positively correlated with male social rank. This study tested whether dominant male urine reduces aggression in receiver males, and whether the pregnanetriol 3-glucuronates also reduce male-male aggression. Males were allowed to fight their mirror image when exposed to either: i) water control or a chemical stimulus; ii) dominant male urine (DMU); iii) C18-solid phase (C18-SPE) DMU eluate; iv) C18-SPE DMU eluate plus filtrate; v) the two pregnanetriol 3-glucuronates (P3Gs); or vi) P3Gs plus DMU filtrate. Control males mounted an increasingly aggressive fight against their image over time. However, DMU significantly reduced this aggressive response. The two urinary P3Gs did not replicate the effect of whole DMU. Neither did the C18-SPE DMU eluate, containing the P3Gs, alone, nor the C18-SPE DMU filtrate to which the two P3Gs were added. Only exposure to reconstituted DMU (C18-SPE eluate plus filtrate) restored the aggression-reducing effect of whole DMU. Olfactory activity was present in the eluate and the polar filtrate in electro-olfactogram studies. We conclude that P3Gs alone have no reducing effect on aggression and that the urinary signal driving off male competition is likely to be a multi-component pheromone, with components present in both the polar and non-polar urine fractions.
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فهرسة مساهمة: Keywords: Aggression; Chemical communication; Cichlid; Mirror; Social behavior; Urine
المشرفين على المادة: 0 (Sex Attractants)
تواريخ الأحداث: Date Created: 20160206 Date Completed: 20161213 Latest Revision: 20181113
رمز التحديث: 20240628
DOI: 10.1007/s10886-016-0668-0
PMID: 26846373
قاعدة البيانات: MEDLINE
الوصف
تدمد:1573-1561
DOI:10.1007/s10886-016-0668-0