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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=55
Last checked: 10/20/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Kajamuhan, A.;
Shaw, M. W. |
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| Author Affiliation: | University of Reading, Reading, Berkshire, United Kingdom |
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| Title: | Genetic variability in the populations of the hyperparasitic fungus S. filum from Puccinia sp. rust on grasses, revealed by ITS sequence analysis |
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| Meeting Info.: | APS Annual Meeting, San Diego, California: July 28 - August 1, 2007 |
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| Source: | Phytopathology. Vol. 97, No. 7, July Supplement 2007, p. S55. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Genetic variability; Sphaerellopsis filum; Puccinia; Rusts
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| Abstract/Contents: | "The non-specific rust hyperparasite Sphaerellopsis filum occurs naturally on many rust genera worldwide. Variations has been reported from rusts on various broadleaf hosts, especially Melampsora. To study genetic diversity of S. filum, 94 isolates were collected from Puccinia sp. on ten different grass species: Holcus lanatus, Holcus mollis, Festuca arundinacea, Arrhenatherum elatius, Poa trivialis, Cynosurus cristatus, Bromus erectus, Anthoxanthum odonatum, Agrostis gigantea and Dactylis glomerata. Isolates from H. lanatus, A. elatius and P. trivialis came from large populations separated by about 5 km; other isolates were collected from a botanic collection of grasses growing in close proximity. Internal Transcribed Spacer (ITS) region was amplified with the primers ITS 4 and ITS 5 and sequenced. Based on bootstrap analysis using 1000 replicates in PAUP, it was shown that there are three distinct groups of S. filum in the isolates examined. Two large clades and one smaller one with 100% support for the groupings were distinguished. One of the large clades contained S. filum isolates from P. poarum on Poa trivialis. Two isolates from P. coronata on A. gigantea fell into a clearly separate clade. All other isolates were very similar, despite coming from a range of rust species and host grasses." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kajamuhan, A., and M. W. Shaw. 2007. Genetic variability in the populations of the hyperparasitic fungus S. filum from Puccinia sp. rust on grasses, revealed by ITS sequence analysis. Phytopathology. 97(7):p. S55. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=55
Last checked: 10/20/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2219736a |
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