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Diversity of secoiridoid glycosides in leaves of UK and Danish ash provide new insight for ash dieback management
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Sidda, John D., Song, Lijiang, Parker, Jack L., Studholme, David J., Sambles, Christine and Grant, Murray (2020) Diversity of secoiridoid glycosides in leaves of UK and Danish ash provide new insight for ash dieback management. Scientific Reports, 10 (1). 19566 . doi:10.1038/s41598-020-76140-z ISSN 2045-2322.
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Official URL: http://dx.doi.org/10.1038/s41598-020-76140-z
Abstract
Secoiridoid glycosides are anti-feeding deterrents of the Oleaceae family recently highlighted as potential biomarkers in Danish ash trees to differentiate between those tolerant and susceptible to the fungal disease ash dieback. With the knowledge that emerald ash borer has recently entered Europe from Russia, and that extensive selection trials are ongoing in Europe for ash dieback tolerant European ash (Fraxinus excelsior), we undertook comprehensive screening of secoiridoid glycosides in leaf extracts of trees tolerant and susceptible to ash dieback sampled from sites in the UK and Denmark. Here we report an unexpected diversity of secoiridoid glycosides in UK trees and higher levels of secoiridoid glycosides in the UK sample group. While it is unlikely that secoiridoid glycosides generally can serve as reliable markers for ash dieback susceptibility, there are differences between tolerant and susceptible groups for specific secoiridoids. We predict that the high levels—and structural diversity—of secoiridoids present in the UK group may provide a robust reservoir of anti-feeding deterrents to mitigate future herbivore threats such as the Emerald ash borer.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QD Chemistry Q Science > QK Botany Q Science > QP Physiology S Agriculture > SB Plant culture |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) |
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Library of Congress Subject Headings (LCSH): | Glycosides, Ash (Plants), Ash (Plants) -- Diseases and pests, Ash dieback | |||||||||||||||
Journal or Publication Title: | Scientific Reports | |||||||||||||||
Publisher: | Nature Publishing Group | |||||||||||||||
ISSN: | 2045-2322 | |||||||||||||||
Official Date: | 14 October 2020 | |||||||||||||||
Dates: |
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Volume: | 10 | |||||||||||||||
Number: | 1 | |||||||||||||||
Article Number: | 19566 | |||||||||||||||
DOI: | 10.1038/s41598-020-76140-z | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
Date of first compliant deposit: | 11 November 2020 | |||||||||||||||
Date of first compliant Open Access: | 12 November 2020 | |||||||||||||||
RIOXX Funder/Project Grant: |
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