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Molecular diversity of anthracnose pathogen populations associated with UK strawberry production suggests multiple introductions of three different colletotrichum species

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Baroncelli, Riccardo, Zapparata, Antonio, Sarrocco, Sabrina, Sukno, Serenella A., Lane, Charles R., Thon, Michael R., Vannacci, Giovanni, Holub, E. B. and Sreenivasaprasad, S. (2015) Molecular diversity of anthracnose pathogen populations associated with UK strawberry production suggests multiple introductions of three different colletotrichum species. PLoS One, Volume 10 (Number 6). pp. 1-21. Article number e0129140. doi:10.1371/journal.pone.0129140 ISSN 1932-6203.

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Official URL: http://dx.doi.org/10.1371/journal.pone.0129140

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Abstract

Fragaria × ananassa (common name: strawberry) is a globally cultivated hybrid species belonging to Rosaceae family. Colletotrichum acutatum sensu lato (s.l.) is considered to be the second most economically important pathogen worldwide affecting strawberries. A collection of 148 Colletotrichum spp. isolates including 67 C. acutatum s.l. isolates associated with the phytosanitary history of UK strawberry production were used to characterize multi-locus genetic variation of this pathogen in the UK, relative to additional reference isolates that represent a worldwide sampling of the diversity of the fungus. The evidence indicates that three different species C. nymphaeae, C. godetiae and C. fioriniae are associated with strawberry production in the UK, which correspond to previously designated genetic groups A2, A4 and A3, respectively. Among these species, 12 distinct haplotypes were identified suggesting multiple introductions into the country. A subset of isolates was also used to compare aggressiveness in causing disease on strawberry plants and fruits. Isolates belonging to C. nymphaeae, C. godetiae and C. fioriniae representative of the UK anthracnose pathogen populations showed variation in their aggressiveness. Among the three species, C. nymphaeae and C. fioriniae appeared to be more aggressive compared to C. godetiae. This study highlights the genetic and pathogenic heterogeneity of the C. acutatum s.l. populations introduced into the UK linked to strawberry production.

Item Type: Journal Article
Subjects: S Agriculture > SB Plant culture
Divisions: Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
Library of Congress Subject Headings (LCSH): Anthracnose, Strawberries -- Diseases and pests
Journal or Publication Title: PLoS One
Publisher: Public Library of Science
ISSN: 1932-6203
Official Date: 18 June 2015
Dates:
DateEvent
18 June 2015Published
4 May 2015Accepted
16 February 2015Submitted
Volume: Volume 10
Number: Number 6
Number of Pages: 21
Page Range: pp. 1-21
Article Number: Article number e0129140
DOI: 10.1371/journal.pone.0129140
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 29 December 2015
Date of first compliant Open Access: 29 December 2015
Funder: University of Warwick

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