Another look at plant defences against insect herbivores: plant parts that pretend to be insects
نویسندگان
چکیده
منابع مشابه
Plant Defense against Insect Herbivores
Plants have been interacting with insects for several hundred million years, leading to complex defense approaches against various insect feeding strategies. Some defenses are constitutive while others are induced, although the insecticidal defense compound or protein classes are often similar. Insect herbivory induce several internal signals from the wounded tissues, including calcium ion flux...
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The story of Adam and Eve links eating a forbidden fruit with death in the cycle of human existence (Genesis 3:1– 24). Indeed, to avoid poisoning, herbivores and omnivores such as humans must be cautious in choosing which plants and plant parts to eat. A prevailing hypothesis is that the nearly ubiquitous antiherbivore metabolites in plants were selected by coevolution with herbivores. Likewise...
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Herbivorous insects use diverse feeding strategies to obtain nutrients from their host plants. Rather than acting as passive victims in these interactions, plants respond to herbivory with the production of toxins and defensive proteins that target physiological processes in the insect. Herbivore-challenged plants also emit volatiles that attract insect predators and bolster resistance to futur...
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Leaves normally release small quantities of volatile chemicals, but when a plant is damaged by herbivorous insects, many more volatiles are released. The chemical identity of the volatile compounds varies with the plant species and with the herbivorous insect species. These volatiles attract both parasitic and predatory insects that are natural enemies of the herbivores. They may also induce de...
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Plants activate direct and indirect defences in response to insect egg deposition. However, whether eggs can manipulate plant defence is unknown. In Arabidopsis thaliana, oviposition by the butterfly Pieris brassicae triggers cellular and molecular changes that are similar to the changes caused by biotrophic pathogens. In the present study, we found that the plant defence signal salicylic acid ...
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ژورنال
عنوان ژورنال: Agricultural and Forest Entomology
سال: 2017
ISSN: 1461-9555
DOI: 10.1111/afe.12185