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    Bacterial diversity in the rhizosphere of a transgenic versus a conventional maize (Zea mays)

    Vital-López L, MA Cruz-Hernández, S Fernández-Dávila, A Mendoza-Herrera

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 210-217, 2016, DOI:10.32604/phyton.2016.85.210

    Abstract Genetically modified crops could cause negative effects on bacterial communities. In this study, we compared the bacterial community structure of two maize cultivars to determine whether the transgenic cultivar exerts a negative effect on bacterial communities inhabiting the rhizosphere. Cultivars included the genetically modified maize (Zea mays), with the pat-gene conferring resistance to the herbicide glufosinate (synonym: L-phosphinothricin), and the hybrid, conventional maize. Metagenomic DNA was extracted from the rhizosphere of plants grown in a greenhouse. Single-strand conformation polymorphism, based on polymerase chain reaction amplifying a partial subunit rRNA gene was used to characterize and generate genetic profiles that corresponded… More >

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