author_facet Johnson, A. C.
Wood, M.
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Wood, M.
author Johnson, A. C.
Wood, M.
spellingShingle Johnson, A. C.
Wood, M.
Applied and Environmental Microbiology
DNA, a Possible Site of Action of Aluminum in Rhizobium spp
Ecology
Applied Microbiology and Biotechnology
Food Science
Biotechnology
author_sort johnson, a. c.
spelling Johnson, A. C. Wood, M. 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.56.12.3629-3633.1990 <jats:p> Al was found to penetrate the cell envelopes of both sensitive and tolerant <jats:italic>Rhizobium</jats:italic> strains and bind to DNA in vivo. Despite causing a reduction in viability, Al stimulated DNA synthesis in the sensitive strain, which suggested that an excision repair mechanism was operating. The Al-stimulated DNA synthesis was reduced by the simultaneous addition of chloramphenicol. In contrast to the sensitive strain, DNA synthesis was unaffected by Al binding to DNA in the tolerant strain. It is proposed that Al enters the cell and binds to the DNA helix, increasing stabilization and preventing successful replication. Different repair mechanisms appear to operate in response to Al in tolerant and sensitive strains. </jats:p> DNA, a Possible Site of Action of Aluminum in <i>Rhizobium</i> spp Applied and Environmental Microbiology
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title DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_unstemmed DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_full DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_fullStr DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_full_unstemmed DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_short DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_sort dna, a possible site of action of aluminum in <i>rhizobium</i> spp
topic Ecology
Applied Microbiology and Biotechnology
Food Science
Biotechnology
url http://dx.doi.org/10.1128/aem.56.12.3629-3633.1990
publishDate 1990
physical 3629-3633
description <jats:p> Al was found to penetrate the cell envelopes of both sensitive and tolerant <jats:italic>Rhizobium</jats:italic> strains and bind to DNA in vivo. Despite causing a reduction in viability, Al stimulated DNA synthesis in the sensitive strain, which suggested that an excision repair mechanism was operating. The Al-stimulated DNA synthesis was reduced by the simultaneous addition of chloramphenicol. In contrast to the sensitive strain, DNA synthesis was unaffected by Al binding to DNA in the tolerant strain. It is proposed that Al enters the cell and binds to the DNA helix, increasing stabilization and preventing successful replication. Different repair mechanisms appear to operate in response to Al in tolerant and sensitive strains. </jats:p>
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author Johnson, A. C., Wood, M.
author_facet Johnson, A. C., Wood, M., Johnson, A. C., Wood, M.
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description <jats:p> Al was found to penetrate the cell envelopes of both sensitive and tolerant <jats:italic>Rhizobium</jats:italic> strains and bind to DNA in vivo. Despite causing a reduction in viability, Al stimulated DNA synthesis in the sensitive strain, which suggested that an excision repair mechanism was operating. The Al-stimulated DNA synthesis was reduced by the simultaneous addition of chloramphenicol. In contrast to the sensitive strain, DNA synthesis was unaffected by Al binding to DNA in the tolerant strain. It is proposed that Al enters the cell and binds to the DNA helix, increasing stabilization and preventing successful replication. Different repair mechanisms appear to operate in response to Al in tolerant and sensitive strains. </jats:p>
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spelling Johnson, A. C. Wood, M. 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.56.12.3629-3633.1990 <jats:p> Al was found to penetrate the cell envelopes of both sensitive and tolerant <jats:italic>Rhizobium</jats:italic> strains and bind to DNA in vivo. Despite causing a reduction in viability, Al stimulated DNA synthesis in the sensitive strain, which suggested that an excision repair mechanism was operating. The Al-stimulated DNA synthesis was reduced by the simultaneous addition of chloramphenicol. In contrast to the sensitive strain, DNA synthesis was unaffected by Al binding to DNA in the tolerant strain. It is proposed that Al enters the cell and binds to the DNA helix, increasing stabilization and preventing successful replication. Different repair mechanisms appear to operate in response to Al in tolerant and sensitive strains. </jats:p> DNA, a Possible Site of Action of Aluminum in <i>Rhizobium</i> spp Applied and Environmental Microbiology
spellingShingle Johnson, A. C., Wood, M., Applied and Environmental Microbiology, DNA, a Possible Site of Action of Aluminum in Rhizobium spp, Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology
title DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_full DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_fullStr DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_full_unstemmed DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_short DNA, a Possible Site of Action of Aluminum in Rhizobium spp
title_sort dna, a possible site of action of aluminum in <i>rhizobium</i> spp
title_unstemmed DNA, a Possible Site of Action of Aluminum in Rhizobium spp
topic Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology
url http://dx.doi.org/10.1128/aem.56.12.3629-3633.1990