Research output: Contribution to Journal/Magazine › Journal article › peer-review
Isoprene emissions influence herbivore feeding decisions. / Laothawornkitkul, Jullada; Paul, Nigel D.; Vickers, Claudia E. et al.
In: Plant, Cell and Environment, Vol. 31, No. 10, 2008, p. 1410-1415.Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Isoprene emissions influence herbivore feeding decisions
AU - Laothawornkitkul, Jullada
AU - Paul, Nigel D.
AU - Vickers, Claudia E.
AU - Possell, Malcolm
AU - Taylor, Jane E.
AU - Mullineaux, Philip M.
AU - Hewitt, C. N.
PY - 2008
Y1 - 2008
N2 - Isoprene (C5H8, 2-methyl 1,3-butadiene) is synthesized and emitted by many, but not all, plants. Unlike other related volatile organic compounds (monoterpenes and sesquiterpenes), isoprene has not been shown to mediate plant-herbivore interactions. Here, for the first time, we show, in feeding choice tests using isoprene-emitting transgenic tobacco plants (Nicotiana tabacum cv. Samsun) and non-emitting azygous control plants, that isoprene deters Manduca sexta caterpillars from feeding. This avoidance behaviour was confirmed using an artificial (isoprene-emitting and non-emitting control) diet. Both in vivo and in vitro experiments showed that isoprene can activate feeding avoidance behaviour in this system with a dose-response effect on caterpillar behaviour and an isoprene emission threshold level of < 6 nmol m(-2) s(-1).
AB - Isoprene (C5H8, 2-methyl 1,3-butadiene) is synthesized and emitted by many, but not all, plants. Unlike other related volatile organic compounds (monoterpenes and sesquiterpenes), isoprene has not been shown to mediate plant-herbivore interactions. Here, for the first time, we show, in feeding choice tests using isoprene-emitting transgenic tobacco plants (Nicotiana tabacum cv. Samsun) and non-emitting azygous control plants, that isoprene deters Manduca sexta caterpillars from feeding. This avoidance behaviour was confirmed using an artificial (isoprene-emitting and non-emitting control) diet. Both in vivo and in vitro experiments showed that isoprene can activate feeding avoidance behaviour in this system with a dose-response effect on caterpillar behaviour and an isoprene emission threshold level of < 6 nmol m(-2) s(-1).
KW - avoidance
KW - dose response
KW - herbivory
KW - threshold
KW - tobacco hornworm
KW - transgenic tobacco
KW - VOLATILE ORGANIC-COMPOUNDS
KW - PLANT VOLATILES
KW - COMPOUND EMISSIONS
KW - BIOSYNTHESIS
KW - PRODUCTS
KW - DEFENSE
KW - LEAVES
KW - TEMPERATURE
KW - PERFORMANCE
KW - SYNTHASE
UR - http://www.scopus.com/inward/record.url?scp=51249102586&partnerID=8YFLogxK
U2 - 10.1111/j.1365-3040.2008.01849.x
DO - 10.1111/j.1365-3040.2008.01849.x
M3 - Journal article
VL - 31
SP - 1410
EP - 1415
JO - Plant, Cell and Environment
JF - Plant, Cell and Environment
SN - 0140-7791
IS - 10
ER -