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A comparison of Olpidium isolates from a range of host plants using internal transcribed spacer sequence analysis and host range studies
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Hartwright, Lucy M., Hunter, Paul J. and Walsh, John A. (2009) A comparison of Olpidium isolates from a range of host plants using internal transcribed spacer sequence analysis and host range studies. Fungal Biology, Vol.114 (No.1). pp. 26-33. doi:10.1016/j.mycres.2009.09.008
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Official URL: http://dx.doi.org/10.1016/j.mycres.2009.09.008
Abstract
Olpidium brassicae is a ubiquitous obligate root-infecting fungal pathogen. It is an important vector of a wide range of plant viruses. Olpidium isolates that infected brassica plants did not infect lettuce plants and vice-versa. Host range tests, PCR amplification and sequencing of the internal transcribed spacer (ITS) and 5.8S regions of 25 Olpidium isolates from brassica, carrot, cucumber and lettuce originating from four continents revealed differences between isolates. Based on their ability to infect lettuce and brassicas and the differences between their ITS1, 5.8S and ITS2 regions they could be separated into a number of distinct groups. Comparisons with other published sequences revealed two distinct genetic groups of brassica-infecting isolates, two distinct groups of lettuce-infecting isolates, one of which contained a carrot-infecting isolate and a distinct group comprising a cucumber-infecting isolate and a melon-infecting isolate. The possibility of the isolates belonging to three distinct species is discussed.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QK Botany | ||||
| Divisions: | Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) | ||||
| Library of Congress Subject Headings (LCSH): | Chytridiomycetes, Virus-vector relationships -- Research, Fungal diseases of plants -- Research, Polymerase chain reaction | ||||
| Journal or Publication Title: | Fungal Biology | ||||
| Publisher: | Elsevier Ltd | ||||
| ISSN: | 0953-7562 | ||||
| Official Date: | 1 October 2009 | ||||
| Dates: |
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| Volume: | Vol.114 | ||||
| Number: | No.1 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 26-33 | ||||
| DOI: | 10.1016/j.mycres.2009.09.008 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | European Commission (EC) | ||||
| Grant number: | QLRT-1999-1471 (EC) |
Data sourced from Thomson Reuters' Web of Knowledge
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