Phytohormone mediation of interactions between herbivores and plant pathogens
Induced plant defenses against either pathogens or herbivore attackers are regulated by phytohormones. These phytohormones are increasingly recognized as important mediators of interactions between organisms associated with plants. In this review, we discuss the role of plant defense hormones in sequential tri-partite interactions among plants, pathogenic microbes, and herbivorous insects, based on the most recent literature. We discuss the importance of pathogen trophic strategy in the interaction with herbivores that exhibit different feeding modes. Plant resistance mechanisms also affect plant quality in future interactions with attackers. We discuss exemplary evidence for the hypotheses that (i) biotrophic pathogens can facilitate chewing herbivores, unless plants exhibit effector-triggered immunity, but (ii) facilitate or inhibit phloem feeders. (iii) Necrotrophic pathogens, on the other hand, can inhibit both phloem feeders and chewers. We also propose herbivore feeding mode as predictor of effects on pathogens of different trophic strategies, providing evidence for the hypotheses that (iv) phloem feeders inhibit pathogen attack by increasing SA induction, whereas (v) chewing herbivores tend not to affect necrotrophic pathogens, while they may either inhibit or facilitate biotrophic pathogens. Putting these hypotheses to the test will increase our understanding of phytohormonal regulation of plant defense to sequential attack by plant pathogens and insect herbivores. This will provide valuable insight into plant-mediated ecological interactions among members of the plant-associated community.
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Subjects: | H50 - Troubles divers des plantes, L02 - Alimentation animale, pathologie végétale, agent pathogène, substance de croissance végétale, herbivore, alimentation des animaux, http://aims.fao.org/aos/agrovoc/c_5974, http://aims.fao.org/aos/agrovoc/c_5630, http://aims.fao.org/aos/agrovoc/c_5968, http://aims.fao.org/aos/agrovoc/c_3567, http://aims.fao.org/aos/agrovoc/c_429, |
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dig-cirad-fr-6011022024-01-29T04:10:58Z http://agritrop.cirad.fr/601102/ http://agritrop.cirad.fr/601102/ Phytohormone mediation of interactions between herbivores and plant pathogens. Lazebnik Jenny, Frago Enric, Dicke Marcel, Van Loon Joop J.A.. 2014. Journal of Chemical Ecology, 40 (7) : 730-741.https://doi.org/10.1007/s10886-014-0480-7 <https://doi.org/10.1007/s10886-014-0480-7> Phytohormone mediation of interactions between herbivores and plant pathogens Lazebnik, Jenny Frago, Enric Dicke, Marcel Van Loon, Joop J.A. eng 2014 Journal of Chemical Ecology H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 Induced plant defenses against either pathogens or herbivore attackers are regulated by phytohormones. These phytohormones are increasingly recognized as important mediators of interactions between organisms associated with plants. In this review, we discuss the role of plant defense hormones in sequential tri-partite interactions among plants, pathogenic microbes, and herbivorous insects, based on the most recent literature. We discuss the importance of pathogen trophic strategy in the interaction with herbivores that exhibit different feeding modes. Plant resistance mechanisms also affect plant quality in future interactions with attackers. We discuss exemplary evidence for the hypotheses that (i) biotrophic pathogens can facilitate chewing herbivores, unless plants exhibit effector-triggered immunity, but (ii) facilitate or inhibit phloem feeders. (iii) Necrotrophic pathogens, on the other hand, can inhibit both phloem feeders and chewers. We also propose herbivore feeding mode as predictor of effects on pathogens of different trophic strategies, providing evidence for the hypotheses that (iv) phloem feeders inhibit pathogen attack by increasing SA induction, whereas (v) chewing herbivores tend not to affect necrotrophic pathogens, while they may either inhibit or facilitate biotrophic pathogens. Putting these hypotheses to the test will increase our understanding of phytohormonal regulation of plant defense to sequential attack by plant pathogens and insect herbivores. This will provide valuable insight into plant-mediated ecological interactions among members of the plant-associated community. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/601102/1/601102.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s10886-014-0480-7 10.1007/s10886-014-0480-7 info:eu-repo/semantics/altIdentifier/doi/10.1007/s10886-014-0480-7 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s10886-014-0480-7 |
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H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 |
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H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 Lazebnik, Jenny Frago, Enric Dicke, Marcel Van Loon, Joop J.A. Phytohormone mediation of interactions between herbivores and plant pathogens |
description |
Induced plant defenses against either pathogens or herbivore attackers are regulated by phytohormones. These phytohormones are increasingly recognized as important mediators of interactions between organisms associated with plants. In this review, we discuss the role of plant defense hormones in sequential tri-partite interactions among plants, pathogenic microbes, and herbivorous insects, based on the most recent literature. We discuss the importance of pathogen trophic strategy in the interaction with herbivores that exhibit different feeding modes. Plant resistance mechanisms also affect plant quality in future interactions with attackers. We discuss exemplary evidence for the hypotheses that (i) biotrophic pathogens can facilitate chewing herbivores, unless plants exhibit effector-triggered immunity, but (ii) facilitate or inhibit phloem feeders. (iii) Necrotrophic pathogens, on the other hand, can inhibit both phloem feeders and chewers. We also propose herbivore feeding mode as predictor of effects on pathogens of different trophic strategies, providing evidence for the hypotheses that (iv) phloem feeders inhibit pathogen attack by increasing SA induction, whereas (v) chewing herbivores tend not to affect necrotrophic pathogens, while they may either inhibit or facilitate biotrophic pathogens. Putting these hypotheses to the test will increase our understanding of phytohormonal regulation of plant defense to sequential attack by plant pathogens and insect herbivores. This will provide valuable insight into plant-mediated ecological interactions among members of the plant-associated community. |
format |
article |
topic_facet |
H50 - Troubles divers des plantes L02 - Alimentation animale pathologie végétale agent pathogène substance de croissance végétale herbivore alimentation des animaux http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_5630 http://aims.fao.org/aos/agrovoc/c_5968 http://aims.fao.org/aos/agrovoc/c_3567 http://aims.fao.org/aos/agrovoc/c_429 |
author |
Lazebnik, Jenny Frago, Enric Dicke, Marcel Van Loon, Joop J.A. |
author_facet |
Lazebnik, Jenny Frago, Enric Dicke, Marcel Van Loon, Joop J.A. |
author_sort |
Lazebnik, Jenny |
title |
Phytohormone mediation of interactions between herbivores and plant pathogens |
title_short |
Phytohormone mediation of interactions between herbivores and plant pathogens |
title_full |
Phytohormone mediation of interactions between herbivores and plant pathogens |
title_fullStr |
Phytohormone mediation of interactions between herbivores and plant pathogens |
title_full_unstemmed |
Phytohormone mediation of interactions between herbivores and plant pathogens |
title_sort |
phytohormone mediation of interactions between herbivores and plant pathogens |
url |
http://agritrop.cirad.fr/601102/ http://agritrop.cirad.fr/601102/1/601102.pdf |
work_keys_str_mv |
AT lazebnikjenny phytohormonemediationofinteractionsbetweenherbivoresandplantpathogens AT fragoenric phytohormonemediationofinteractionsbetweenherbivoresandplantpathogens AT dickemarcel phytohormonemediationofinteractionsbetweenherbivoresandplantpathogens AT vanloonjoopja phytohormonemediationofinteractionsbetweenherbivoresandplantpathogens |
_version_ |
1792500358891700224 |