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The molecular diversity of different isolates of Beauveria bassiana [Bals.] Vuill. as assessed using inter-microsatellites [ISSRs]

100%

Estrada M. E., Camacho M. V., Benito C.

Cellular and Molecular Biology Letters

2007

tom 12

nr 2

Inter-microsatellite PCR (ISSR-PCR) markers were used to identify and to examine the genetic diversity of eleven Beauveria bassiana isolates with different geographic origins. The variability and the phylogenetic relationships between the eleven strains were analyzed using 172 ISSR-PCR markers. A high level of polymorphism (near 80%) was found using these molecular markers. Seven different isolates showed exclusive bands, and ISSR primer 873 was able to distinguish between all the strains. The dendrogram obtained with these markers is robust and in agreement with the geographical origins of the strains. All the isolates from the Caribbean region were grouped together in a cluster, while the other isolates grouped in the other cluster. The similarity exhibited between the two clusters was less than 50%. This value of homology shows the high genetic variability detected between the isolates from the Caribbean region and the other isolates. ISSR-PCR markers provide a quick, reliable and highly informative system for DNA fingerprinting, and allowed the identification of the different B. bassiana isolates studied.

Ograniczanie wyników

1 Cellular and Molecular Biology Letters

1 Benito C.

1 Camacho M. V.

1 Estrada M. E.

1 2007

Wyniki wyszukiwania

The molecular diversity of different isolates of Beauveria bassiana [Bals.] Vuill. as assessed using inter-microsatellites [ISSRs]