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Practical approaches to plant volatile analysis.
- D. Tholl, W. Boland, A. Hansel, F. Loreto, U. S. Röse, J. Schnitzler
- Environmental ScienceThe Plant journal : for cell and molecular…
- 1 February 2006
These include headspace analyses of plant VOCs emitted by the whole organism, organs or enzymes as well as advanced on-line analysis methods for simultaneous measurements of VOC emissions with other physiological parameters.
The nonmevalonate pathway supports both monoterpene and sesquiterpene formation in snapdragon flowers.
- N. Dudareva, Susannah Andersson, J. Gershenzon
- ChemistryProceedings of the National Academy of Sciences…
- 18 January 2005
It is shown that only one of the two pathways, the plastid-localized MEP pathway, is active in the formation of volatile terpenes, which provides IPP precursors for bothPlastidial monoterpene and cytosolic sesquiterpene biosynthesis in the epidermis of snapdragon petals.
Herbivory-induced volatiles elicit defence genes in lima bean leaves
- G. Arimura, R. Ozawa, T. Shimoda, T. Nishioka, W. Boland, J. Takabayashi
- Environmental ScienceNature
- 3 August 2000
It is shown that uninfested lima bean leaves activate five separate defence genes when exposed to volatiles from conspecific leaves infested with T. urticae, but not when exposed with volatile from artificially wounded leaves.
Effects of Feeding Spodoptera littoralis on Lima Bean Leaves. II. Continuous Mechanical Wounding Resembling Insect Feeding Is Sufficient to Elicit Herbivory-Related Volatile Emission
A mechanical caterpillar, MecWorm, has been designed and used in this study, which very closely resembles the herbivore-caused tissue damage in terms of similar physical appearance and long-lasting wounding period on defined leaf areas, and the results strongly suggest that the impact of mechanical wounding on the induction of defense responses during Herbivore feeding was until now underestimated.
Biotic and heavy metal stress response in plants: evidence for common signals
Herbivore-induced, indirect plant defences.
Insects feeding on plants: rapid signals and responses preceding the induction of phytochemical release.
Whiteflies interfere with indirect plant defense against spider mites in Lima bean
- Pengjun Zhang, Sijun Zheng, M. Dicke
- Biology, Environmental ScienceProceedings of the National Academy of Sciences
- 15 December 2009
Interference by a phloem-feeding insect, the whitefly Bemisia tabaci, with indirect plant defenses induced by spider mites is reported, concluding that in dual-infested Lima bean plants the suppression of the JA signaling pathway by whitefly feeding is not due to enhanced SA levels.
Plant defense against herbivores: chemical aspects.
Recognizing the herbivore challenge and precise timing of plant activities as well as the adaptive modulation of the plants' metabolism is important so that metabolites and energy may be efficiently allocated to defensive activities.
Molecular interactions between the specialist herbivore Manduca sexta (Lepidoptera, Sphingidae) and its natural host Nicotiana attenuata. III. Fatty acid-amino acid conjugates in herbivore oral…
- R. Halitschke, U. Schittko, G. Pohnert, W. Boland, I. Baldwin
- Environmental Science, BiologyPlant physiology
- 1 February 2001
It is concluded that the biological activity of R is not related to the supply of FAs to the octadecanoid cascade for endogenous jasmonate biosynthesis, but that FACs elicit the herbivore-specific responses by another mechanism and that the insect-produced modification of plant-derived FAs is necessary for the plant's recognition of this specialized Herbivore.