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Effects of polyamines and polyamine synthesis inhibitor on antennal electrophysiological responses of diamondback moths, Plutella xylostella  [2008]

Zhang, Zhi-Chun Wang, Man-Qun Li, Hui Zhang, Guoan

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Abstract
Electroantennography showed that treatment with polyamines and α-difluoromethyl-ornithine (DFMO) significantly affected the sensitivity of diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae), antennae to odors. Response to a female pheromone extract was significantly higher in antennae from spermine-treated males than in those from acetone-treated males, and significantly lower in spermidine-treated males, whereas the DFMO-treatment had no significant effect. The effect of polyamine and DFMO treatment on olfactory sensitivity differed between the sexes, and correlated with the mating status of adults. Amine putrescine, spermidine, and DFMO treatments enhanced the sensitivity of unmated male antennae to most of the odors tested, but inhibited the sensitivity of virgin female antennae. Spermine treatment enhanced the sensitivity of virgin female antennae to all tested odors, but inhibited the sensitivity of mated female antennae to cabbage juice. These results suggest that polyamines play a regulatory role in the detection of odors and that their effects depend on the odor source, and the gender and mating status of diamondback moths.
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From the journal

Entomologia experimentalis et applicata

ISSN : 0013-8703

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Other information

Language : English

Type : Journal Article

In AGRIS since : 2013

Volume : 129

Issue : 1

Start Page : 18

End Page : 25

Publisher : Oxford, UK : Blackwell Publishing Ltd

All titles :

" Effects of polyamines and polyamine synthesis inhibitor on antennal electrophysiological responses of diamondback moths, Plutella xylostella "