title: Influence of selected plant amines on probing behaviour of bird cherry-oat aphid (Rhopalosiphum padi L.).
abstract: The study aimed to quantify the influence of common plant polyamines and tyramine on probing behaviour in the bird cherry-oat aphid (Rhopalosiphum padi L.). Electrical penetration graphs (DC) were used to monitor the probing and feeding behaviour of R. padi exposed to the amines agmatine, cadaverine, putrescine, spermidine, spermine and tyramine. The study results showed that the analyzed amines tended to shorten the stylet activity of aphids in the gels (as indicated by the g-C pattern), prolong the duration of non-probing behaviour (g-np pattern) and decrease salivation into the gels (g-E1pattern) and ingestion from the gels (g-G pattern). The 10 mM concentration of the studied amines, especially cadaverine, reduced or completely inhibited aphid ingestion. The obtained results demonstrate that plant amines participate in plant defence responses to R. padi through disturbance of its probing behaviour and the intensity of such effects is concentration dependent.
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: C
authors.initials: C
authors.lastname: Sempruch
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: S
authors.initials: S
authors.lastname: Goławska
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: P
authors.initials: P
authors.lastname: Osiński
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: B
authors.initials: B
authors.lastname: Leszczyński
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: P
authors.initials: P
authors.lastname: Czerniewicz
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: H
authors.initials: H
authors.lastname: Sytykiewicz
authors.affiliation: Department of Biochemistry and Molecular Biology,University of Podlasie,ul. Prusa 12,08-110 Siedlce,Poland.
authors.forename: H
authors.initials: H
authors.lastname: Matok
mesh_terms: D000818:Animals; D001042:Aphids / Q000502:physiology*; D005247:Feeding Behavior; D005260:Female; D011073:Polyamines / Q000378:metabolism*; D014439:Tyramine / Q000378:metabolism*
chemical_list: D011073:Polyamines; D014439:Tyramine
keywords: aphid probing behaviour; bird cherry-oat aphid; insect–plant interactions; polyamines; tyramine