Document Detail

Comparative study of the labial gland secretion in termites (Isoptera).
MedLine Citation:
PMID:  23071569     Owner:  NLM     Status:  MEDLINE    
Labial glands are present in all castes and developmental stages of all termite species. In workers, their secretion contains a food-marking pheromone and digestive enzymes, while soldier secretion plays a defensive role. However, these functions were studied only in a limited set of species, and do not allow drawing general conclusions. Hence, we have investigated the chemical composition of the labial gland extracts from soldiers and workers in 15 termite species belonging to 6 families using an integrative approach based on proteomic and small-molecule profiling. We confirmed the presence of hydroquinone and cellulase in the labial glands of workers, and we identified new toxic compounds in soldiers and workers of several species. Our results highlight the dual role of labial gland secretion, i.e. the defensive role in soldiers and workers of several termite species, and the digestive function in workers.
David Sillam-Dussès; Jana Krasulová; Vladimír Vrkoslav; Jana Pytelková; Josef Cvačka; Kateřina Kutalová; Thomas Bourguignon; Toru Miura; Jan Šobotník
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-10-10
Journal Detail:
Title:  PloS one     Volume:  7     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2012  
Date Detail:
Created Date:  2012-10-16     Completed Date:  2013-04-04     Revised Date:  2013-07-11    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e46431     Citation Subset:  IM    
Institute of Organic Chemistry and Biochemistry, Academy of Science of the Czech Republic, Flemingovo náměstí 2, Prague, Czech Republic.
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MeSH Terms
Amino Acid Sequence
Electrophoresis, Polyacrylamide Gel
Exocrine Glands / secretion*
Gas Chromatography-Mass Spectrometry
Insect Proteins / chemistry,  secretion
Isoptera / physiology*
Molecular Sequence Data
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Reg. No./Substance:
0/Insect Proteins

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