NDLI: Intersexual Differences in Chemical Composition of Precloacal Gland Secretions of the Amphisbaenian Blanus cinereus

Content Provider	Springer Nature Link
Author	López, Pilar Martín, José
Copyright Year	2005
Abstract	Pheromonal communication seems to be especially important in amphisbaenians, a group of reptiles morphologically and functionally adapted to fossorial life. Both male and female amphisbaenians (Blanus cinereus) produce copious amounts of a secretion from the precloacal glands. Analysis by gas chromatography–mass spectrometry revealed that these secretions contain 29 major lipophilic compounds, including several steroids (mainly cholesterol and cholesteryl methyl ether), n-C$_{9}$ to n-C$_{18}$ carboxylic acids (more diverse in males), and methyl and long-chain (waxy)-type esters of carboxylic acids, along with squalene (mainly in males) and tocopherol (only in females). There were clear intersexual differences in the presence/absence of some compounds, such as some fatty acids, steroids, and tocopherol, and in the relative proportions of some shared compounds, such as squalene. These differences may explain how the sexes of this amphisbaenian discriminate one another based on scent alone. The abundance of steroids and waxy esters in secretions of both male and female amphisbaenians may be useful to scent mark underground tunnels to facilitate orientation by these organisms.
Starting Page	2913
Ending Page	2921
Page Count	9
File Format	PDF
ISSN	00980331
Journal	Journal of Chemical Ecology
Volume Number	31
Issue Number	12
e-ISSN	15731561
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-12-18
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Amphisbaenians Blanus cinereus precloacal glands fatty acids steroids mass spectrometry Physical Chemistry Agriculture Ecology Biological Microscopy
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Ecology, Evolution, Behavior and Systematics

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