Comparison of molecular and antibiotic resistance pro®le methods for the population analysis of Bradyrhizobium spp. (TGx) isolates that nodulate the new TGx soybean cultivars in Africa

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dc.contributor.authorAbaidoo R. C
dc.contributor.authorKeyser H.H.
dc.contributor.authorSingleton P.W.
dc.contributor.authorBorthakur D.
dc.date.accessioned2023-12-12T10:34:09Z
dc.date.available2023-12-12T10:34:09Z
dc.date.issued2002
dc.descriptionThis article is Published by The Society for Applied Microbiology, 2002
dc.description.abstractAims: Comparison of molecular and antibiotic resistance pro®le methods to identify an easy method that can differentiate between strains of introduced Bradyrhizobium japonicum and the indigenous Bradyrhizobium spp. (TGx) isolates which nodulate the newly developed TGx soybean cultivars in Africa. Methods and Results: Restriction fragment length polymorphism (RFLP) of 16S rDNA generated by ®ve restriction enzymes, banding patterns in Southern hybridization using nod and nif genes as probes, and resistance patterns of the isolates to nine antibiotics, were used to group 26 Bradyrhizobium spp. (TGx) isolates and four other Bradyrhizobium strains. The clusters of isolates obtained from the four grouping methods were all different, although all methods revealed large genetic diversity among the isolates. Conclusions: Results indicate that the antibiotic resistance pro®le method is as good as the three molecular methods used in this study for phylogenetic grouping of the Bradyrhizobium spp. (TGx) isolates, which may serve as a basis for further characterization of selected isolates from each group. Signi®cance and Impact of the Study: The antibiotic resistance pro®le method can be used as a simple means of assessing genetic variability and grouping of a large number of Bradyrhizobium spp. (TGx) isolates. Representative isolates from each group can then be selected for further characterization.
dc.description.sponsorshipKNUST
dc.identifier.citationJournal of Applied Microbiology, 92, 109±117
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/14800
dc.language.isoen
dc.publisherThe Society for Applied Microbiology
dc.titleComparison of molecular and antibiotic resistance pro®le methods for the population analysis of Bradyrhizobium spp. (TGx) isolates that nodulate the new TGx soybean cultivars in Africa
dc.typeArticle
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