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Phytopathogen Lures Its Insect Vector by Altering Host Plant Odor

Many phytopathogens that cause worldwide losses of agricultural yield are vectored by herbivorous insects. Limited information is available about the interactions among phytopathogens, host plants, and insect vectors. In this paper, we report that the cell wall-lacking bacterium Candidatus Phytoplas... Full description

Journal Title: Journal of chemical ecology 2008-07-04, Vol.34 (8), p.1045-1049
Main Author: Mayer, Christoph J
Other Authors: Vilcinskas, Andreas , Gross, Jürgen
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: New York: Springer-Verlag
ID: ISSN: 0098-0331
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recordid: cdi_proquest_miscellaneous_69364378
title: Phytopathogen Lures Its Insect Vector by Altering Host Plant Odor
format: Article
creator:
  • Mayer, Christoph J
  • Vilcinskas, Andreas
  • Gross, Jürgen
subjects:
  • Agricultural production
  • Agriculture
  • Animal and plant ecology
  • Animal, plant and microbial ecology
  • Animals
  • Apples
  • Behavior, Animal
  • Biochemistry
  • Biological and medical sciences
  • Biological Microscopy
  • Biomedical and Life Sciences
  • Ecology
  • Entomology
  • Female
  • Fundamental and applied biological sciences. Psychology
  • Gas Chromatography-Mass Spectrometry
  • general
  • General aspects
  • Hemiptera - physiology
  • Host-Pathogen Interactions
  • Insect Vectors - physiology
  • Insecta
  • Insects
  • Invertebrates
  • Life Sciences
  • Malus - chemistry
  • Malus - microbiology
  • Odorants
  • Odors
  • Pathogens
  • Phytoplasma - physiology
  • Polymerase Chain Reaction
  • Rapid Communication
  • Studies
  • Volatilization
ispartof: Journal of chemical ecology, 2008-07-04, Vol.34 (8), p.1045-1049
description: Many phytopathogens that cause worldwide losses of agricultural yield are vectored by herbivorous insects. Limited information is available about the interactions among phytopathogens, host plants, and insect vectors. In this paper, we report that the cell wall-lacking bacterium Candidatus Phytoplasma mali can alter both the odor of its host plant (apple) and behavior of its vector, the univoltine psyllid Cacopsylla picta. Apple trees infected by this phytoplasma emitted higher amounts of β-caryophyllene when compared to uninfected ones. Psyllids that had no previous contact with Ca. P. mali, as well as infected pyllids, are more attracted by volatiles emitted from phytoplasma-infected apple plants than from uninfected ones. Psyllids that had developed on infected plants without getting infected showed the opposite behavior. These results suggest that the pathogen modifies host plant odor that lures its vector to infected plants. This may result in higher numbers of transmitting vector insects within the population.
language: eng
source:
identifier: ISSN: 0098-0331
fulltext: no_fulltext
issn:
  • 0098-0331
  • 1573-1561
url: Link


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descriptionMany phytopathogens that cause worldwide losses of agricultural yield are vectored by herbivorous insects. Limited information is available about the interactions among phytopathogens, host plants, and insect vectors. In this paper, we report that the cell wall-lacking bacterium Candidatus Phytoplasma mali can alter both the odor of its host plant (apple) and behavior of its vector, the univoltine psyllid Cacopsylla picta. Apple trees infected by this phytoplasma emitted higher amounts of β-caryophyllene when compared to uninfected ones. Psyllids that had no previous contact with Ca. P. mali, as well as infected pyllids, are more attracted by volatiles emitted from phytoplasma-infected apple plants than from uninfected ones. Psyllids that had developed on infected plants without getting infected showed the opposite behavior. These results suggest that the pathogen modifies host plant odor that lures its vector to infected plants. This may result in higher numbers of transmitting vector insects within the population.
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subjectAgricultural production ; Agriculture ; Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Apples ; Behavior, Animal ; Biochemistry ; Biological and medical sciences ; Biological Microscopy ; Biomedical and Life Sciences ; Ecology ; Entomology ; Female ; Fundamental and applied biological sciences. Psychology ; Gas Chromatography-Mass Spectrometry ; general ; General aspects ; Hemiptera - physiology ; Host-Pathogen Interactions ; Insect Vectors - physiology ; Insecta ; Insects ; Invertebrates ; Life Sciences ; Malus - chemistry ; Malus - microbiology ; Odorants ; Odors ; Pathogens ; Phytoplasma - physiology ; Polymerase Chain Reaction ; Rapid Communication ; Studies ; Volatilization
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descriptionMany phytopathogens that cause worldwide losses of agricultural yield are vectored by herbivorous insects. Limited information is available about the interactions among phytopathogens, host plants, and insect vectors. In this paper, we report that the cell wall-lacking bacterium Candidatus Phytoplasma mali can alter both the odor of its host plant (apple) and behavior of its vector, the univoltine psyllid Cacopsylla picta. Apple trees infected by this phytoplasma emitted higher amounts of β-caryophyllene when compared to uninfected ones. Psyllids that had no previous contact with Ca. P. mali, as well as infected pyllids, are more attracted by volatiles emitted from phytoplasma-infected apple plants than from uninfected ones. Psyllids that had developed on infected plants without getting infected showed the opposite behavior. These results suggest that the pathogen modifies host plant odor that lures its vector to infected plants. This may result in higher numbers of transmitting vector insects within the population.
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abstractMany phytopathogens that cause worldwide losses of agricultural yield are vectored by herbivorous insects. Limited information is available about the interactions among phytopathogens, host plants, and insect vectors. In this paper, we report that the cell wall-lacking bacterium Candidatus Phytoplasma mali can alter both the odor of its host plant (apple) and behavior of its vector, the univoltine psyllid Cacopsylla picta. Apple trees infected by this phytoplasma emitted higher amounts of β-caryophyllene when compared to uninfected ones. Psyllids that had no previous contact with Ca. P. mali, as well as infected pyllids, are more attracted by volatiles emitted from phytoplasma-infected apple plants than from uninfected ones. Psyllids that had developed on infected plants without getting infected showed the opposite behavior. These results suggest that the pathogen modifies host plant odor that lures its vector to infected plants. This may result in higher numbers of transmitting vector insects within the population.
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pubSpringer-Verlag
pmid18600377
doi10.1007/s10886-008-9516-1