Remobilization of Heavy Metals Retained as Oxyhydroxides or Silicates by Bacillus subtilis Cells
نویسندگان
چکیده
منابع مشابه
Inhibition of transformation of Bacillus subtilis by heavy metals.
Mercuric ions, as well as organomercuric ions and cadmium ions, can inhibit deoxyribonucleic acid-mediated transformation in Bacillus subtilis 168 without decreasing the viability of the total population. Differences in the inhibition of transformation by mercuric ions are identifiable on a temporal and concentration dependence basis. Sensitivity to low concentrations (9.2 x 10(-8) M) appears e...
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On the basis of high DNA-DNA reassociation values and confirmatory automated RiboPrint analysis, two aerobic spore-forming strains hitherto allocated to Bacillus subtilis and used as bioindicators (DSM 675, hot-air sterilization control; DSM 2277, ethylene oxide sterilization control) are reclassified as Bacillus atrophaeus.
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A survey was made of the capacity of competent cells of Bacillus subtilis to take up synthetic polynucleotides. Polydeoxyribonucleotides but not polyribonucleotides are taken up by the cells. Both types of polynucleotide failed to compete with transforming deoxyribonucleic acid in the transformation assay whereas both stimulated amino acid incorporation. The latter phenomenon appears to be nons...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1993
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.59.12.4323-4329.1993