2016
DOI: 10.1111/mpp.12386
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The plant response induced in wheat ears by a combined attack of Sitobion avenae aphids and Fusarium graminearum boosts fungal infection and deoxynivalenol production

Abstract: The pathogen Fusarium graminearum, producer of the mycotoxin deoxynivalenol, and Sitobion avenae aphids both reside on wheat ears. We explored the influence of an earlier aphid infestation on the expression profile of specific molecular markers associated with F. graminearum infection. Using reverse transcription-quantitative polymerase chain reaction analysis, we followed the expression of wheat defence genes on S. avenae infestation and explored the effect on a subsequent F. graminearum infection. This was p… Show more

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Cited by 22 publications
(27 citation statements)
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References 68 publications
(87 reference statements)
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“…It is likely our results are opposite to that reported in Mouttet et al (2013) where leaf mining insect feeding had a positive effect on leaf colonisation by fungal pathogen. Earlier infestation by aphids enabled fungal pathogens to spread more rapidly in De Zutter et al (2017) study. The two studies previously mentioned gave results that were incompatible with the results of this study.…”
Section: Discussionmentioning
confidence: 99%
“…It is likely our results are opposite to that reported in Mouttet et al (2013) where leaf mining insect feeding had a positive effect on leaf colonisation by fungal pathogen. Earlier infestation by aphids enabled fungal pathogens to spread more rapidly in De Zutter et al (2017) study. The two studies previously mentioned gave results that were incompatible with the results of this study.…”
Section: Discussionmentioning
confidence: 99%
“…Induction of GLV production by fungi might benefit fungal infection and conidia dispersion by attracting herbivores which serve as vectors (Kluth et al ., ). Indeed, GLVs produced by infected plants are known to attract aphids (Webster & Cardé, ), which have recently been shown to promote fungal disease in wheat (Drakulic et al ., , ; De Zutter et al ., ).…”
Section: Fungal Infection Greatly Induces Glv Productionmentioning
confidence: 99%
“…Tansley review New Phytologist to promote fungal disease in wheat (Drakulic et al, 2015(Drakulic et al, , 2016De Zutter et al, 2017). However, fungi have often been shown to exploit the antagonistic signalling between defence hormones and, as such, hijack the plant defence machinery; in other words, fungi do not suppress plant defences but manipulate the plant to invest in defence responses which are not effective to the pathogen in play or which even induce susceptibility (Verhage et al, 2010).…”
Section: Reviewmentioning
confidence: 99%
“…In some case, herbivory by an insect pest primes the host plant immune response, making the plant resistant to future pathogen infection. For example, an infestation of Sitobion avenae elicits plant defense responses, which then inhibit subsequent infection of Fusarium graminearum ( De Zutter et al, 2017 ). Similarly, feeding by the white-backed planthopper, Sogatella furcifera , induced host plant resistance to rice blast caused by Magnaporthe grisea ( Kanno and Fujita, 2003 ; Kanno et al, 2005 ).…”
Section: Introductionmentioning
confidence: 99%