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Identification of root rot fungi in nursery seedlings by nested multiplex PCR
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| Zeitschriftentitel: | Applied and Environmental Microbiology |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Applied and Environmental Microbiology, 62, 1996, 11, S. 4026-4031 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society for Microbiology
|
| Schlagwörter: |
| author_facet |
Hamelin, R C Bérubé, P Gignac, M Bourassa, M Hamelin, R C Bérubé, P Gignac, M Bourassa, M |
|---|---|
| author |
Hamelin, R C Bérubé, P Gignac, M Bourassa, M |
| spellingShingle |
Hamelin, R C Bérubé, P Gignac, M Bourassa, M Applied and Environmental Microbiology Identification of root rot fungi in nursery seedlings by nested multiplex PCR Ecology Applied Microbiology and Biotechnology Food Science Biotechnology |
| author_sort |
hamelin, r c |
| spelling |
Hamelin, R C Bérubé, P Gignac, M Bourassa, M 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.62.11.4026-4031.1996 <jats:p>The internal transcribed spacer (ITS) of the ribosomal DNA (rDNA) subunit repeat was sequenced in 12 isolates of Cylindrocladium floridanum and 11 isolates of Cylindrocarpon destructans. Sequences were aligned and compared with ITS sequences of other fungi in GenBank. Some intraspecific variability was present within our collections of C. destructans but not in C. floridanum. Three ITS variants were identified within C. destructans, but there was no apparent association between ITS variants and host or geographic origin. Two internal primers were synthesized for the specific amplification of portions of the ITS for C. floridanum, and two primers were designed to amplify all three variants of C. destructans. The species-specific primers amplified PCR products of the expected length when tested with cultures of C, destructans and C. floridanum from white spruce, black spruce, Norway spruce, red spruce, jack pine, red pine, and black walnut from eight nurseries and three plantations in Quebec. No amplification resulted from PCR reactions on fungal DNA from 26 common contaminants of conifer roots. For amplifications directly from infected tissues, a nested primer PCR using two rounds of amplification was combined with multiplex PCR approach resulting in the amplification of two different species-specific PCR fragments in the same reaction. First, the entire ITS was amplified with one universal primer and a second primer specific to fungi; a second round of amplification was carried out with species-specific primers that amplified a 400-bp PCR product from C. destructans and a 328-bp product from C. floridanum. The species-specific fragments were amplified directly from infected roots from which one or the two fungi had been isolated.</jats:p> Identification of root rot fungi in nursery seedlings by nested multiplex PCR Applied and Environmental Microbiology |
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1996 |
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American Society for Microbiology |
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Applied and Environmental Microbiology |
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49 |
| title |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_unstemmed |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_full |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_fullStr |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_full_unstemmed |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_short |
Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_sort |
identification of root rot fungi in nursery seedlings by nested multiplex pcr |
| topic |
Ecology Applied Microbiology and Biotechnology Food Science Biotechnology |
| url |
http://dx.doi.org/10.1128/aem.62.11.4026-4031.1996 |
| publishDate |
1996 |
| physical |
4026-4031 |
| description |
<jats:p>The internal transcribed spacer (ITS) of the ribosomal DNA (rDNA) subunit repeat was sequenced in 12 isolates of Cylindrocladium floridanum and 11 isolates of Cylindrocarpon destructans. Sequences were aligned and compared with ITS sequences of other fungi in GenBank. Some intraspecific variability was present within our collections of C. destructans but not in C. floridanum. Three ITS variants were identified within C. destructans, but there was no apparent association between ITS variants and host or geographic origin. Two internal primers were synthesized for the specific amplification of portions of the ITS for C. floridanum, and two primers were designed to amplify all three variants of C. destructans. The species-specific primers amplified PCR products of the expected length when tested with cultures of C, destructans and C. floridanum from white spruce, black spruce, Norway spruce, red spruce, jack pine, red pine, and black walnut from eight nurseries and three plantations in Quebec. No amplification resulted from PCR reactions on fungal DNA from 26 common contaminants of conifer roots. For amplifications directly from infected tissues, a nested primer PCR using two rounds of amplification was combined with multiplex PCR approach resulting in the amplification of two different species-specific PCR fragments in the same reaction. First, the entire ITS was amplified with one universal primer and a second primer specific to fungi; a second round of amplification was carried out with species-specific primers that amplified a 400-bp PCR product from C. destructans and a 328-bp product from C. floridanum. The species-specific fragments were amplified directly from infected roots from which one or the two fungi had been isolated.</jats:p> |
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| author | Hamelin, R C, Bérubé, P, Gignac, M, Bourassa, M |
| author_facet | Hamelin, R C, Bérubé, P, Gignac, M, Bourassa, M, Hamelin, R C, Bérubé, P, Gignac, M, Bourassa, M |
| author_sort | hamelin, r c |
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| description | <jats:p>The internal transcribed spacer (ITS) of the ribosomal DNA (rDNA) subunit repeat was sequenced in 12 isolates of Cylindrocladium floridanum and 11 isolates of Cylindrocarpon destructans. Sequences were aligned and compared with ITS sequences of other fungi in GenBank. Some intraspecific variability was present within our collections of C. destructans but not in C. floridanum. Three ITS variants were identified within C. destructans, but there was no apparent association between ITS variants and host or geographic origin. Two internal primers were synthesized for the specific amplification of portions of the ITS for C. floridanum, and two primers were designed to amplify all three variants of C. destructans. The species-specific primers amplified PCR products of the expected length when tested with cultures of C, destructans and C. floridanum from white spruce, black spruce, Norway spruce, red spruce, jack pine, red pine, and black walnut from eight nurseries and three plantations in Quebec. No amplification resulted from PCR reactions on fungal DNA from 26 common contaminants of conifer roots. For amplifications directly from infected tissues, a nested primer PCR using two rounds of amplification was combined with multiplex PCR approach resulting in the amplification of two different species-specific PCR fragments in the same reaction. First, the entire ITS was amplified with one universal primer and a second primer specific to fungi; a second round of amplification was carried out with species-specific primers that amplified a 400-bp PCR product from C. destructans and a 328-bp product from C. floridanum. The species-specific fragments were amplified directly from infected roots from which one or the two fungi had been isolated.</jats:p> |
| doi_str_mv | 10.1128/aem.62.11.4026-4031.1996 |
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| imprint | American Society for Microbiology, 1996 |
| imprint_str_mv | American Society for Microbiology, 1996 |
| institution | DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Zwi2, DE-Gla1, DE-Zi4, DE-15 |
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| last_indexed | 2024-03-01T16:59:33.722Z |
| match_str | hamelin1996identificationofrootrotfungiinnurseryseedlingsbynestedmultiplexpcr |
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| physical | 4026-4031 |
| publishDate | 1996 |
| publishDateSort | 1996 |
| publisher | American Society for Microbiology |
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| recordtype | ai |
| series | Applied and Environmental Microbiology |
| source_id | 49 |
| spelling | Hamelin, R C Bérubé, P Gignac, M Bourassa, M 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.62.11.4026-4031.1996 <jats:p>The internal transcribed spacer (ITS) of the ribosomal DNA (rDNA) subunit repeat was sequenced in 12 isolates of Cylindrocladium floridanum and 11 isolates of Cylindrocarpon destructans. Sequences were aligned and compared with ITS sequences of other fungi in GenBank. Some intraspecific variability was present within our collections of C. destructans but not in C. floridanum. Three ITS variants were identified within C. destructans, but there was no apparent association between ITS variants and host or geographic origin. Two internal primers were synthesized for the specific amplification of portions of the ITS for C. floridanum, and two primers were designed to amplify all three variants of C. destructans. The species-specific primers amplified PCR products of the expected length when tested with cultures of C, destructans and C. floridanum from white spruce, black spruce, Norway spruce, red spruce, jack pine, red pine, and black walnut from eight nurseries and three plantations in Quebec. No amplification resulted from PCR reactions on fungal DNA from 26 common contaminants of conifer roots. For amplifications directly from infected tissues, a nested primer PCR using two rounds of amplification was combined with multiplex PCR approach resulting in the amplification of two different species-specific PCR fragments in the same reaction. First, the entire ITS was amplified with one universal primer and a second primer specific to fungi; a second round of amplification was carried out with species-specific primers that amplified a 400-bp PCR product from C. destructans and a 328-bp product from C. floridanum. The species-specific fragments were amplified directly from infected roots from which one or the two fungi had been isolated.</jats:p> Identification of root rot fungi in nursery seedlings by nested multiplex PCR Applied and Environmental Microbiology |
| spellingShingle | Hamelin, R C, Bérubé, P, Gignac, M, Bourassa, M, Applied and Environmental Microbiology, Identification of root rot fungi in nursery seedlings by nested multiplex PCR, Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology |
| title | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_full | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_fullStr | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_full_unstemmed | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_short | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| title_sort | identification of root rot fungi in nursery seedlings by nested multiplex pcr |
| title_unstemmed | Identification of root rot fungi in nursery seedlings by nested multiplex PCR |
| topic | Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology |
| url | http://dx.doi.org/10.1128/aem.62.11.4026-4031.1996 |