Jassy Drakulic
Contrasting roles of deoxynivalenol and nivalenol in host-mediated interactions between Fusarium graminearum and Sitobion avenae
Drakulic, Jassy; Kahar, Mohd Haziq; Ajigboye, Olubukola; Bruce, Toby; Ray, Rumiana V.
Authors
Mohd Haziq Kahar
Olubukola Ajigboye
Toby Bruce
Professor RUMIANA RAY RUMIANA.RAY@NOTTINGHAM.AC.UK
PROFESSOR OF PLANT PATHOLOGY
Abstract
Fusarium graminearum is the predominant causal species of Fusarium head blight in Europe and North America. Different chemotypes of the species exist, each producing a plethora of mycotoxins. Isolates of differing chemotypes produce nivalenol (NIV) and deoxynivalenol (DON), which differ in toxicity to mammals and plants. However, the effect of each mycotoxin on volatile emissions of plant hosts is not known. Host volatiles are interpreted by insect herbivores such as Sitobion avenae, the English grain aphid, during host selection. Previous work has shown that grain aphids are repelled by wheat infected with DON-producing F. graminearum, and this study seeks to determine the influence of pathogen mycotoxins to host volatile chemistry. Volatile collections from infected hosts and olfactometer bioassays with alate aphids were performed. Infections with isolates that produced DON and NIV were compared, as well as a trichothecene deficient transformant derived from the NIV-producing isolate. This work confirmed the repellent nature of infected hosts with DON accumulation. NIV accumulation produced volatiles that were attractive to aphids. Attraction did not occur when NIV was absent and was, therefore, a direct consequence of NIV production.
Citation
Drakulic, J., Kahar, M. H., Ajigboye, O., Bruce, T., & Ray, R. V. (2016). Contrasting roles of deoxynivalenol and nivalenol in host-mediated interactions between Fusarium graminearum and Sitobion avenae. Toxins, 8(12), https://doi.org/10.3390/toxins8120353
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 18, 2016 |
Publication Date | Nov 30, 2016 |
Deposit Date | Feb 6, 2017 |
Publicly Available Date | Feb 6, 2017 |
Journal | Toxins |
Electronic ISSN | 2072-6651 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Issue | 12 |
DOI | https://doi.org/10.3390/toxins8120353 |
Keywords | Deoxynivalenol; Nivalenol; Trichothecenes; Fusarium head blight; Aphids; Volatiles |
Public URL | https://nottingham-repository.worktribe.com/output/826245 |
Publisher URL | http://dx.doi.org/10.3390/toxins8120353 |
Contract Date | Feb 6, 2017 |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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