Sources of pheromones in the lizard Liolaemus tenuis

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dc.contributor.authorLabra, A.
dc.contributor.authorEscobar, C.
dc.contributor.authorAguilar, P.
dc.contributor.authorNiemeyer, H.
dc.date.accessioned2021-05-24T23:06:34Z
dc.date.available2021-05-24T23:06:34Z
dc.date.issued2002
dc.descriptionIndexación: Scopus.es
dc.description.abstractExperimental tests were conducted with the lizard Liolaemus tenuis (Tropiduridae), to determine the potential sources of pheromones used in its chemical communication, centered in the phenomenon of self-recognition. During the post-reproductive season, feces of both sexes and secretions of precloacal pores (present only in males) were tested. Stimuli were presented to lizards spread on rocks, and the number of tongue-flicks (TF) to the rocks was used as a bioassay to determine pheromone recognition. Feces contained pheromones involved in self-recognition, since lizards showed less TF confronted to rocks with suspensions of their own feces than with suspensions of feces of conspecifics or with water (control). In order to assess the chemical nature of self-recognition pheromones, feces were submitted to a sequential extraction with three solvents of increasing polarity, thereby obtaining three feces fractions. There were no differences in TF towards rocks with different fractions with own feces. Additionally, lizards showed similar TF to rocks with fractions of own and conspecific feces, suggesting that the separation procedure broke up a complex stimulus into parts that were not active individually as pheromones. Finally, males did not discriminate between precloacal secretions from themselves and from another male. It is possible that these secretions convey information relevant to or detectable by females only.es
dc.description.urihttps://www-scielo-cl.recursosbiblioteca.unab.cl/scielo.php?script=sci_arttext&pid=S0716-078X2002000100013&lng=en&nrm=iso&tlng=en
dc.identifier.citationRevista Chilena de Historia Natural, Volume 75, Issue 1, March 2002, Pages 141-147es
dc.identifier.doiDOI: 10.4067/S0716-078X2002000100013
dc.identifier.issn0716-078X
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/18933
dc.language.isoenes
dc.publisherSociedad de Biología de Chilees
dc.subjectChemical discriminationes
dc.subjectLiolaemuses
dc.subjectLizardses
dc.subjectPrecloacal secretionses
dc.subjectSelf-recognitiones
dc.subjectSemiochemicalses
dc.subjectLiolaemus tenuises
dc.subjectLiolaemuses
dc.subjectLiolaemus tenuises
dc.subjectSquamataes
dc.subjectTropidurinaees
dc.titleSources of pheromones in the lizard Liolaemus tenuises
dc.title.alternativeFuentes de feromonas en el lagarto Liolaemus tenuisSpanish
dc.typeArtículoes
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