Host plant stimulation of detoxifying enzymes in a phytophagous insect

Yu, S.J.; Berry, Ralph E.; Terriere, L. C.

doi:10.1016/0048-3575(79)90113-5

Cited by 94 publications

(28 citation statements)

References 14 publications

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“…The "preadaptation hypothesis" for insecticide resistance has been supported by surveys of the literature (11,12) although the comparisons drawn between herbivores and natural enemies or between chewing and sucking herbivores may be confounded by taxonomy, thus calling for other forms of experimental and observational evidence (12). It is now well accepted that herbivore exposure to different plant allelochemicals can affect the toxicity of pesticides (13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25). Moreover, metabolic resistance to pesticides is known to commonly rely on the increased expression of one or more genes encoding detoxification enzymes and formal evidence that many of these detoxification enzymes can metabolize both plant chemicals and pesticides is accumulating (26,27).…”

mentioning

confidence: 93%

A link between host plant adaptation and pesticide resistance in the polyphagous spider mite Tetranychus urticae

Dermauw

Wybouw

Rombauts

et al. 2012

Proc. Natl. Acad. Sci. U.S.A.

372

475

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Plants produce a wide range of allelochemicals to defend against herbivore attack, and generalist herbivores have evolved mechanisms to avoid, sequester, or detoxify a broad spectrum of natural defense compounds. Successful arthropod pests have also developed resistance to diverse classes of pesticides and this adaptation is of critical importance to agriculture. To test whether mechanisms to overcome plant defenses predispose the development of pesticide resistance, we examined adaptation of the generalist two-spotted spider mite, Tetranychus urticae, to host plant transfer and pesticides. T. urticae is an extreme polyphagous pest with more than 1,100 documented hosts and has an extraordinary ability to develop pesticide resistance. When mites from a pesticidesusceptible strain propagated on bean were adapted to a challenging host (tomato), transcriptional responses increased over time with ∼7.5% of genes differentially expressed after five generations. Whereas many genes with altered expression belonged to known detoxification families (like P450 monooxygenases), new gene families not previously associated with detoxification in other herbivores showed a striking response, including ring-splitting dioxygenase genes acquired by horizontal gene transfer. Strikingly, transcriptional profiles of tomato-adapted mites resembled those of multipesticide-resistant strains, and adaptation to tomato decreased the susceptibility to unrelated pesticide classes. Our findings suggest key roles for both an expanded environmental response gene repertoire and transcriptional regulation in the life history of generalist herbivores. They also support a model whereby selection for the ability to mount a broad response to the diverse defense chemistry of plants predisposes the evolution of pesticide resistance in generalists.genetic variation | lipocalin | transcriptome | major facilitator superfamily | xenosensors

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mentioning

confidence: 93%

A link between host plant adaptation and pesticide resistance in the polyphagous spider mite Tetranychus urticae

Dermauw

Wybouw

Rombauts

et al. 2012

Proc. Natl. Acad. Sci. U.S.A.

372

475

View full text Add to dashboard Cite

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“…Research in this area of insect-plant interactions may yield information of much value in the development of sophisticated methods of insect control as well as in the basic relations between insects and plants (48).…”

Section: Discussionmentioning

confidence: 99%

“…Investigations with Peridroma saucia Hubner, the variegated cutworm, suggest that plant species differ in the degree to which they stimulate the MFO system, and thus an insect's ability to detoxify insecticides may depend on the terpenoids (and other compounds) produced by its host plant (48).…”

Section: Allelochemicals Involved In Plant-insect Interactionsmentioning

confidence: 99%

Terpenoids as Models for New Agrochemicals

Elakovich

1988

ACS Symposium Series

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This chapter examines the evidence that some terpenoids serve as plant growth regulators (allelochemicals) as well as anti-herbivore agents. The plant origin and bioassay method of terpenoid allelopathic agents is explored. The role these same compounds play in plant-insect communication due to volatiles, and their involvement as insect pheromones is discussed. The agrochemical possibilities are far-reaching.Terpenes and terpenoids are ubiquitous in the higher plant kingdom. Although the role of these compounds is still being debated, considerable evidence is accumulating that they have functions both as allelopathic agents and as anti-herbivore agents. As such, they possess the potential of being incorporated via genetic engineering methods into selected crop plants in order to both provide a defensive allelochemical edge over other plants, and also to minimize crop damage by insects. Many secondary compounds implicated in allelopathic interactions have also been reported to be involved in other protective or defensive roles for the plant (1). It is likely that many secondary compounds have more than one role in nature. This chapter will explore the role of terpenoids first as allelopathic agents--potential models for new herbicides--and then as important agents in plant-insect interactions. Allelopathic AgentsIn his classical paper titled "The Influence of One Plant on Another--Allelopathy", Hans Molisch in 1937 coined the term allelopathy to refer to biochemical interactions among all types of plants including microorganisms (2.). Rice, in the second edition of his comprehensive monograph Allelopathy supports this early definition which includes both inhibitory and stimulatory interactions (3). Not surprisingly, the most commonly identified allelopathic compounds produced by higher plants are simple phenols 0097-6156/88/0380-0250$06.00/0

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“…Multiple factors associated with host plants can inßuence insect susceptibility to toxic substances. Several studies have documented induction by host plants of detoxifying enzymes in insect pests (Yu et al 1979, Berry et al 1980, Yu 1982, 1984. This may be an important factor in reducing the effects of some toxins, especially synthetic insecticides (Berry et al 1980, Moldenke et al 1994).…”

Section: Mortality Of H Zea Host Colonies On Non-bt and Btmentioning

confidence: 98%