NDLI: The Occurrence of Plant Pathogenic Streptomyces spp. in Potato-growing Regions in Central Europe

Content Provider	Springer Nature Link
Author	Pánková, Iveta Sedláková, Vladimíra Sedlák, Petr Krejzar, Václav
Copyright Year	2012
Abstract	Thirty-three isolates of Streptomyces from lesions on potato tubers and nine Streptomyces type strains were identified by fatty acid analysis and PCR and their pathogenicity was tested. The results were analysed using the unweighted pair group method algorithm. Pathogenicity and the genetic constitution of the pathogenicity island (PAI) were found to be correlated, and the results of fatty acid analysis and PCR correlated strongly for 34 % of the isolates. Altogether, 82 % of the isolates closely resembled the Streptomyces scabies type strain DSMZ 41658$^{T}$ included in this study. Isolates from regions with different meteorological and soil conditions and with different levels of pathogenicity formed clusters when grouped on the basis of fatty acid composition and DNA polymorphism. The most virulent isolates, namely Bee, Judita, and Madeleine, were identified as Streptomyces scabies. However, results of FAME, RAPD analysis, and pathogenicity tests differed significantly in 18 % of the isolates, and this cluster should be examined in greater detail in the future.Mediante un análisis de ácidos grasos y PCR, se identificaron 33 aislamientos y nueve variantes de Streptomyces de lesiones en tubérculos de papa y se probó su patogenicidad. Se analizaron los resultados mediante un método de algoritmos de grupos por pares no ponderados. Encontramos que la patogenicidad y la constitución de la isla de dicha patogenicidad (PAI) estaban correlacionados, y los resultados de los análisis de los ácidos grasos y la PCR se correlacionaron fuertemente para 34 % de los aislamientos. En conjunto, 82 % de los aislamientos tuvieron un parecido cercano a Streptomyces scabies variante tipo DSMZ 41658 T incluido en este estudio. Los aislamientos de regiones con diferentes condiciones meteorológicas y de suelo y con diferentes niveles de patogenicidad formaron congregados cuando se agruparon con base a la composición de los ácidos grasos y del polimorfismo de ADN. Los aislamientos mas virulentos, como Bee, Judita, y Madeleine, se identificaron como Streptomyces scabies. No obstante, los resultados de FAME, RAPD, y las pruebas de patogenicidad difirieron significativamente en 18 % de los aislamientos, y este agrupamiento debería examinarse en mayor detalle a futuro.
Starting Page	207
Ending Page	215
Page Count	9
File Format	PDF
ISSN	1099209X
Journal	American Potato Journal
Volume Number	89
Issue Number	3
e-ISSN	18749380
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-04-27
Publisher Institution	Potato Association of America
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Common scab disease Fatty acid composition Polymerase chain reaction Pathogenicity test Plant Pathology Plant Breeding/Biotechnology Plant Sciences Plant Genetics & Genomics Agriculture
Content Type	Text
Resource Type	Article
Subject	Plant Science Agronomy and Crop Science

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