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      Genetic variability of brazilian Alternaria spp. isolates as revealed by RAPD analysis Translated title: Variabilidade genética de isolados de Alternaria spp, revelada através da análise de RAPD

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          Abstract

          The genetic variability of 22 isolates of the fungi Alternaria alternata and A. cassiae, obtained from Senna obtusifolia, was studied by RAPD analysis. A total of 491 scorable bands were produced with the use of 28 primers. Cluster analysis based on similarities computed from RAPD markers showed two distinct genetic groups of isolates related to both species. RAPD analysis proved to be an efficient method for detecting genetic variability of A. cassiae and A. alternata isolates occurring in S. obtusifolia, and also for distinguishing Alternaria species.

          Translated abstract

          A variabilidade genética entre 22 isolados dos fungos Alternaria alternata e A. Cassiae, obtidos de Senna obtusifolia, foi estudada através da análise de RAPD. No total, 491 bandas foram selecionadas com o uso de 28 primers. O agrupamento baseado em similaridades computadas dos marcadores mostrou dois distintos grupos de isolados relacionados às espécies. A análise de RAPD provou ser um método eficiente para detecção da variabilidade genética entre isolados de A. alternata e A. cassiae ocorrendo em S. obtusifolia, e também para distinguir as espécies de Alternaria.

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          Most cited references9

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          Molecular Cloning : A Laboratory Manual

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            Alternaria themes and variations (7-10)

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              NTSYS-pc v. 1.8. Numerical taxonomy and multivari-ate analysis system

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                bjm
                Brazilian Journal of Microbiology
                Braz. J. Microbiol.
                Sociedade Brasileira de Microbiologia (São Paulo )
                1678-4405
                June 2003
                : 34
                : 2
                : 117-119
                Affiliations
                [1 ] Embrapa Brazil
                [2 ] Biology Department
                Article
                S1517-83822003000200005
                10.1590/S1517-83822003000200005
                881fe7c8-e59a-43ba-a1c2-71a82cf8c3c8

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1517-8382&lng=en
                Categories
                MICROBIOLOGY

                Microbiology & Virology
                fungi,Senna obtusifolia,bioherbicide,microbial control,Fungos,bioherbicida,controle microbiano

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