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J Chem Ecol


Title:Chemical composition of metapleural gland secretions of fungus-growing and non-fungus-growing ants
Author(s):Vieira AS; Morgan ED; Drijfhout FP; Camargo-Mathias MI;
Address:"UNESP-Universidade Estadual Paulista, Campus Rio Claro. Av. 24A, n degrees 1515. Cx. Postal 199, CEP: 13506-900, Rio Claro, SP, Brazil. alexsvieira@yahoo.com.br"
Journal Title:J Chem Ecol
Year:2012
Volume:20120915
Issue:10
Page Number:1289 - 1297
DOI: 10.1007/s10886-012-0185-8
ISSN/ISBN:1573-1561 (Electronic) 0098-0331 (Linking)
Abstract:"The metapleural gland is exclusive to ants, and unusual among exocrine glands in having no mechanism for closure and retention of secretion. As yet, no clear conclusion has been reached as to the function of metapleural gland secretion. Metapleural gland secretions were investigated for fungus-growing ants representing the derived attines Trachymyrmex fuscus, Atta laevigata, and Acromyrmex coronatus, the basal attines Apterostigma pilosum and Mycetarotes parallelus, and non-fungus-growing ants of the tribes Ectatommini (Ectatomma brunneum) and Myrmicini (Pogonomyrmex naegeli). Our results showed that the secretions of leaf-cutting ants (A. laevigata and A. coronatus) and the derived attine, T. fuscus, contain a greater variety and larger quantities of volatile compounds than those of myrmicine and ectatommine ants. The most abundant compounds found in the metapleural glands of A. laevigata and A. coronatus were hydroxyacids, and phenylacetic acid (only in A. laevigata). Indole was present in all groups examined, while skatole was found in large quantities only in attines. Ketones and aldehydes are present in the secretion of some attines. Esters are present in the metapleural gland secretion of all species examined, although mainly in A. laevigata, A. coronatus, and T. fuscus. Compared with basal attines and non-fungus-growing ants, the metapleural glands of leaf-cutting ants produce more acidic compounds that may have an antibiotic or antifungal function"
Keywords:Animals Ants/*chemistry Exocrine Glands/chemistry/metabolism Gas Chromatography-Mass Spectrometry Species Specificity Volatile Organic Compounds/*chemistry;
Notes:"MedlineVieira, Alexsandro S Morgan, E David Drijfhout, Falko P Camargo-Mathias, Maria I eng Research Support, Non-U.S. Gov't 2012/09/18 J Chem Ecol. 2012 Oct; 38(10):1289-97. doi: 10.1007/s10886-012-0185-8. Epub 2012 Sep 15"

 
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