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Chem Biodivers


Title:Species Specificity of Aldehyde and Fatty Acid Profiles of Four Family Group Representatives within the Insect Infraorder Pentatomomorpha (Hemiptera: Heteroptera)
Author(s):Tomcala A; Jirosova A; Zacek P; Kauskova M; Hovorka O; Koutek B;
Address:"Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo namesti 2, 166 10, Prague 6, Czech Republic. Institute of Parasitology, Biology Center, Czech Academy of Sciences, Branisovska 31, 370 05, Ceske Budejovice, Czech Republic"
Journal Title:Chem Biodivers
Year:2017
Volume:20170405
Issue:5
Page Number: -
DOI: 10.1002/cbdv.201600420
ISSN/ISBN:1612-1880 (Electronic) 1612-1872 (Linking)
Abstract:"Reactive alpha,beta-unsaturated aldehydes, including 4-oxoalk-2-enals, are known to be present in volatile secretions of numerous heteropteran insect species. Because the aldehydes are likely to originate from metabolism of fatty acids (FAs), the present study aimed to examine and compare the aldehyde and FA profiles of four model heteropteran species. The model species consisted of adult family group representatives within the infraorder Pentatomomorpha (Hemiptera: Heteroptera): seed bug (Lygaeus equestris (Lygaeoidea)), dock leaf bug (Coreus marginatus (Coreoidea)), red firebug (Pyrrhocoris apterus (Pyrrhocoroidea)), and European stink bug (Graphosoma lineatum (Pentatomoidea)). Solid-phase microextraction combined with two-dimensional gas-chromatography/time-of-flight mass spectrometry was used to establish the profiles of volatile secretions in stressed living insects. The FA profiles of acylglyceride and phospholipid fractions deposited in fat body and/or hemolymph were obtained by liquid chromatography/mass spectrometry and gas chromatography with flame ionization detection techniques. Our results based on multivariate statistical analyses of the data imply that volatile secretion blends as well as fat body and/or hemolymph lipid profiles are species specific but the differences in volatile blends between different species do not mirror the changes in corresponding fat body and/or hemolymph lipid profiles of stressed and non-stressed individuals"
Keywords:"Aldehydes/*analysis Animals Fat Body Fatty Acids/*analysis Gas Chromatography-Mass Spectrometry Hemolymph Heteroptera/*chemistry Solid Phase Microextraction Species Specificity Stress, Physiological Pentatomomorpha Defensive compounds Triacylglycerol Unsa;"
Notes:"MedlineTomcala, Ales Jirosova, Anna Zacek, Petr Kauskova, Marketa Hovorka, Oldrich Koutek, Bohumir eng Switzerland 2016/12/28 Chem Biodivers. 2017 May; 14(5). doi: 10.1002/cbdv.201600420. Epub 2017 Apr 5"

 
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