PCR assay for direct specific detection of Bradyrhizobium elite strain BR 3262 in root nodule extracts of soil-grown cowpea

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dc.contributor.authorOsei Ophelia
dc.contributor.authorL. Jean
dc.contributor.authorAraújo Simões
dc.contributor.authorZilli Jerri E.
dc.contributor.authorBoddey Robert M.
dc.contributor.authorAhiabor Benjamin D. K.
dc.contributor.authorAbaidoo R. C
dc.contributor.authorRouws Luc F. M.
dc.contributor.orcid0000-0002-1235-2252
dc.date.accessioned2023-12-18T11:26:59Z
dc.date.available2023-12-18T11:26:59Z
dc.date.issued2017
dc.descriptionThis article is published by Springer, 2017 and is also available at DOI 10.1007/s11104-017-3271-4
dc.description.abstractAims Successful inoculation of legume crops with rhizobia depends on dominating nodule occupancy with highly efficient strains. The aim of this study was to develop a rapid and reliable conventional PCR method ology to specifically detect an elite Bradyrhizobium strain in root nodule extracts from soil-grown cowpea plants. Methods The draft genome sequence of Bradyrhizobium pachyrhizi BR 3262 was compared to the closely related strain PAC 48T .BR 3262-specific regions were selected to design specific primer pairs, which were tested with respect to PCR amplification specificity and efficiency on extracted DNA, bacterial cells and root nodules from cowpea plants grown under gnotobiotic conditions and in soil. Results Eleven designed primer pairs were specific for BR 3262 amplification and two of them (pairs 2645 and 2736) were highly sensitive and selected for further analyses. Experiments with gnotobiotic and soil-grown plants showed that both primer pairs were suitable to reliably determine nodule occupancy and confirmed the competitiveness of strain BR 3262 in natural soil. Conclusions Primer pairs 2645 and 2736 are novel tools to accompany the fate of strain BR 3262 in inoculation experiments of cowpea in soil. This strategy should be applicable to other rhizobium/legume symbioses in the field.
dc.description.sponsorshipKNUST
dc.identifier.citationPlant Soil, 2017
dc.identifier.uri10.1007/s11104-017-3271-4
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/14907
dc.language.isoen
dc.publisherSpringer
dc.titlePCR assay for direct specific detection of Bradyrhizobium elite strain BR 3262 in root nodule extracts of soil-grown cowpea
dc.typeArticle
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