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Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996
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| Zeitschriftentitel: | Plant Pathology |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Plant Pathology, 49, 2000, 2, S. 252-260 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. |
|---|---|
| author |
Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. |
| spellingShingle |
Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. Plant Pathology Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 Horticulture Plant Science Genetics Agronomy and Crop Science |
| author_sort |
mahuku, g. |
| spelling |
Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. 0032-0862 1365-3059 Wiley Horticulture Plant Science Genetics Agronomy and Crop Science http://dx.doi.org/10.1046/j.1365-3059.2000.00450.x <jats:p>Mating type, glucose‐6‐phosphate isomerase (<jats:italic>Gpi</jats:italic>) allozyme banding patterns, response to the fungicide metalaxyl and random amplified polymorphic DNA (RAPD) markers were used to characterize genetic variability among 141 Canadian isolates of <jats:italic>Phytophthora infestans</jats:italic> collected between 1994 and 1996. Multiple correspondence analysis of RAPD profiles separated isolates into 21 groups that were not correlated to groups defined by mating type, <jats:italic>Gpi</jats:italic> allozyme banding patterns or response to metalaxyl. Population subdivision analysis showed that 97% of the total genetic variation was found among individuals within populations, compared with 3% among populations. The average similarity coefficient among isolates was 80%. No significant differences in haplotypic diversity were observed among the years under study, but levels of genetic diversity among local populations of <jats:italic>P. infestans</jats:italic> were high (0.76). All classes of response to the fungicide metalaxyl were observed, with 55% of isolates displaying moderate levels of insensitivity. The high level of genetic diversity detected within populations indicates that migration and sexual recombination probably play important roles in the population biology of <jats:italic>P. infestans</jats:italic> in Canada.</jats:p> Random amplified polymorphic DNA (RAPD) analysis of <i>Phytophthora infestans</i> isolates collected in Canada during 1994 to 1996 Plant Pathology |
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| title |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_unstemmed |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_full |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_fullStr |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_full_unstemmed |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_short |
Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_sort |
random amplified polymorphic dna (rapd) analysis of <i>phytophthora infestans</i> isolates collected in canada during 1994 to 1996 |
| topic |
Horticulture Plant Science Genetics Agronomy and Crop Science |
| url |
http://dx.doi.org/10.1046/j.1365-3059.2000.00450.x |
| publishDate |
2000 |
| physical |
252-260 |
| description |
<jats:p>Mating type, glucose‐6‐phosphate isomerase (<jats:italic>Gpi</jats:italic>) allozyme banding patterns, response to the fungicide metalaxyl and random amplified polymorphic DNA (RAPD) markers were used to characterize genetic variability among 141 Canadian isolates of <jats:italic>Phytophthora infestans</jats:italic> collected between 1994 and 1996. Multiple correspondence analysis of RAPD profiles separated isolates into 21 groups that were not correlated to groups defined by mating type, <jats:italic>Gpi</jats:italic> allozyme banding patterns or response to metalaxyl. Population subdivision analysis showed that 97% of the total genetic variation was found among individuals within populations, compared with 3% among populations. The average similarity coefficient among isolates was 80%. No significant differences in haplotypic diversity were observed among the years under study, but levels of genetic diversity among local populations of <jats:italic>P. infestans</jats:italic> were high (0.76). All classes of response to the fungicide metalaxyl were observed, with 55% of isolates displaying moderate levels of insensitivity. The high level of genetic diversity detected within populations indicates that migration and sexual recombination probably play important roles in the population biology of <jats:italic>P. infestans</jats:italic> in Canada.</jats:p> |
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| author | Mahuku, G., Peters, R.D., Platt, H.W., Daayf, F. |
| author_facet | Mahuku, G., Peters, R.D., Platt, H.W., Daayf, F., Mahuku, G., Peters, R.D., Platt, H.W., Daayf, F. |
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| description | <jats:p>Mating type, glucose‐6‐phosphate isomerase (<jats:italic>Gpi</jats:italic>) allozyme banding patterns, response to the fungicide metalaxyl and random amplified polymorphic DNA (RAPD) markers were used to characterize genetic variability among 141 Canadian isolates of <jats:italic>Phytophthora infestans</jats:italic> collected between 1994 and 1996. Multiple correspondence analysis of RAPD profiles separated isolates into 21 groups that were not correlated to groups defined by mating type, <jats:italic>Gpi</jats:italic> allozyme banding patterns or response to metalaxyl. Population subdivision analysis showed that 97% of the total genetic variation was found among individuals within populations, compared with 3% among populations. The average similarity coefficient among isolates was 80%. No significant differences in haplotypic diversity were observed among the years under study, but levels of genetic diversity among local populations of <jats:italic>P. infestans</jats:italic> were high (0.76). All classes of response to the fungicide metalaxyl were observed, with 55% of isolates displaying moderate levels of insensitivity. The high level of genetic diversity detected within populations indicates that migration and sexual recombination probably play important roles in the population biology of <jats:italic>P. infestans</jats:italic> in Canada.</jats:p> |
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| imprint_str_mv | Wiley, 2000 |
| institution | DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Zwi2, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1 |
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| spelling | Mahuku, G. Peters, R.D. Platt, H.W. Daayf, F. 0032-0862 1365-3059 Wiley Horticulture Plant Science Genetics Agronomy and Crop Science http://dx.doi.org/10.1046/j.1365-3059.2000.00450.x <jats:p>Mating type, glucose‐6‐phosphate isomerase (<jats:italic>Gpi</jats:italic>) allozyme banding patterns, response to the fungicide metalaxyl and random amplified polymorphic DNA (RAPD) markers were used to characterize genetic variability among 141 Canadian isolates of <jats:italic>Phytophthora infestans</jats:italic> collected between 1994 and 1996. Multiple correspondence analysis of RAPD profiles separated isolates into 21 groups that were not correlated to groups defined by mating type, <jats:italic>Gpi</jats:italic> allozyme banding patterns or response to metalaxyl. Population subdivision analysis showed that 97% of the total genetic variation was found among individuals within populations, compared with 3% among populations. The average similarity coefficient among isolates was 80%. No significant differences in haplotypic diversity were observed among the years under study, but levels of genetic diversity among local populations of <jats:italic>P. infestans</jats:italic> were high (0.76). All classes of response to the fungicide metalaxyl were observed, with 55% of isolates displaying moderate levels of insensitivity. The high level of genetic diversity detected within populations indicates that migration and sexual recombination probably play important roles in the population biology of <jats:italic>P. infestans</jats:italic> in Canada.</jats:p> Random amplified polymorphic DNA (RAPD) analysis of <i>Phytophthora infestans</i> isolates collected in Canada during 1994 to 1996 Plant Pathology |
| spellingShingle | Mahuku, G., Peters, R.D., Platt, H.W., Daayf, F., Plant Pathology, Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996, Horticulture, Plant Science, Genetics, Agronomy and Crop Science |
| title | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_full | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_fullStr | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_full_unstemmed | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_short | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| title_sort | random amplified polymorphic dna (rapd) analysis of <i>phytophthora infestans</i> isolates collected in canada during 1994 to 1996 |
| title_unstemmed | Random amplified polymorphic DNA (RAPD) analysis of Phytophthora infestans isolates collected in Canada during 1994 to 1996 |
| topic | Horticulture, Plant Science, Genetics, Agronomy and Crop Science |
| url | http://dx.doi.org/10.1046/j.1365-3059.2000.00450.x |