Plant-insect interaction

Schuler MA (1996) The role of cytochrome P450 monooxygenases in plant-insect interactions. Plant Physiol 112 1411-1419... 

This paper summarizes the results of phytochemical examinations of plant-plant and plant-insect interactions Involving leafy spurge... 

It is possible that these ecoregulatory enzymes, used by the insect to inhibit targeted plant toxlficatlon systems, may themselves be the principal target of the production of tannins by plants. The discovery of other examples of secondary chemical interactions with enzymes dedicated to the regulation of toxifica-tion and detoxification mechanisms may be expected as our knowledge of chemically mediated plant-insect interaction expands. 

Diterpenoids have a wide range of biological activities. Their role in plant-insect interactions, both as antifeedants and growth inhibitors, is reviewed. Four ent-kauranes, kaur-16-en-19-oic acid, (-)-kauran-l > -ol, 15 t-hydroxy-(-)-kaur-16-en-19-oic acid, and 17-hydroxy-(-)-kaur-15-en-19-oic acid, have recently been isolated from the leaves of Solidago nemoralis.These compounds were found to have antifeedant activity against Trirhabda canadensis. 

Several lists of plant secondary compounds which are involved in plant-insect interactions have been compiled (1, ,1 3.17,, -46). In addition, lists of plants with insecticidal properties have been published (47,48). Many of these compounds are physically located on the outside of the plant, either in the epidermal... 

A system of classification (based largely on the previously proposed systems of Dethier al- 2), and Beck ( ), and Whittaker and Feeney (16)) of the major types of chemical factors Involved in plant-insect interactions has been proposed (25)... 

Many of the monoterpenes found in essential oils of plants also occur as pheromonal substances in insects (45,57-60) and are often involved in plant-insect interactions. Some compounds found both in plants and insects are the monoterpenes citronellal, cit-ronellol, geraniol, myrcene, citral, 6-phellandrene, limonene, 2-terpinolene, a-pinene, 6-pinene, 1,8-cineole, and verbenone. 

A number of lipids are pigments in plants. The most important group is probably carotenoids. The role of carotenoids in plant-insect interactions has been reviewed (81,82). 

Duffey, S. S., Bloem, K. A. and Campbell, B. C. 1986. Consequences of sequestration of plant natural products in plant-insect interactions. In Boethel, D. F. and Eikenbary, R. D. (Eds.), Interactions of Plant Resistance and Parasitoids and Predators of Insects. Florwood, Chichester, England. 31-60... 

Wink, M. 1992. The role of quinolizidine alkaloids in plant insect interactions. In Bernays, E. A. (Ed.), Insect-Plant Interactions, Vol. IV. 133-169... 

This volume treats pheromones (Chapters 4.01—4.06), defensive substances and toxins (Chapters 4.08—T. 10), antifeedants (Chapters 4.11-4.12), compounds employed in plant-plant and plant-microbe interactions (Chapter 4.13), plant-insect interactions (Chapter 4.14) and microbe-microbe interactions (Chapter 4.07). Hormones of plants (Chapter 4.02) and insects (Chapter 4.03) are also treated in this volume. A unique attempt in the present volume is to regard flavor and fragrance (Chapter 4.15) and taste (Chapter 4.16) as phenomena of human-environmental interactions or human chemical ecology. 

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