2014
DOI: 10.1007/s00114-014-1207-x
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Development of a generalist predator, Podisus maculiventris, on glucosinolate sequestering and nonsequestering prey

Abstract: Insect herbivores exhibit various strategies to counter the toxic effects of plant chemical defenses. These strategies include the detoxification, excretion, and sequestration of plant secondary metabolites. The latter strategy is often considered to provide an additional benefit in that it provides herbivores with protection against natural enemies such as predators. Profiles of sequestered chemicals are influenced by the food plants from which these chemicals are derived. We compared the effects of sequestra… Show more

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Cited by 10 publications
(6 citation statements)
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“…How chewing insects that cause extensive tissue damage prevent the hydrolysis of ingested plant glucosides is currently not well understood. One proposed mechanism is a rapid absorption of plant glucosides across the gut epithelium separating substrate and enzyme ( Abdalsamee et al, 2014 ; Pentzold et al, 2014b ; van Geem et al, 2014 ). Although we observed a very rapid uptake of ingested glucosinolates in P. armoraciae , it remains unclear whether this indeed prevents glucosinolate hydrolysis in the gut lumen.…”
Section: Discussionmentioning
confidence: 99%
“…How chewing insects that cause extensive tissue damage prevent the hydrolysis of ingested plant glucosides is currently not well understood. One proposed mechanism is a rapid absorption of plant glucosides across the gut epithelium separating substrate and enzyme ( Abdalsamee et al, 2014 ; Pentzold et al, 2014b ; van Geem et al, 2014 ). Although we observed a very rapid uptake of ingested glucosinolates in P. armoraciae , it remains unclear whether this indeed prevents glucosinolate hydrolysis in the gut lumen.…”
Section: Discussionmentioning
confidence: 99%
“…The ability to sequester intact GLS evolved independently in specialized insects belonging to the orders Hemiptera, Hymenoptera and Coleoptera, but not all GLS-sequestering species evolved endogenous myrosinase activity (Beran et al, 2018;Müller & Wittstock, 2005;Opitz & Müller, 2009). One of these is the turnip sawfly Athalia rosae where rapid GLS sequestration has been suggested to function as a detoxification mechanism by preventing hydrolysis by plant myrosinases (Abdalsamee, Giampà, Niehaus, & Müller, 2014;van Geem, Harvey, & Gols, 2014).…”
Section: Most Species Of the Genus Phyllotreta Are Closely Associatedmentioning
confidence: 99%
“…How chewing insects that cause extensive tissue damage prevent the hydrolysis of ingested plant glucosides is currently not well understood. One proposed mechanism is a rapid absorption of plant glucosides across the gut epithelium that separates substrate and enzyme (Abdalsamee et al, 2014; Pentzold et al, 2014b; van Geem et al, 2014). Indeed, already after few minutes, we detected most ingested glucosinolates in the beetle body (without gut).…”
Section: Discussionmentioning
confidence: 99%