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Assessment of the Antimicrobial Activity of <i>Cistus salviifolius</i> L. and <i>Helichrysum stoechas</i> (L.) DC Extracts and Their Synergistic Potential with Conventional Antibiotics Against <i>Staphylococcus aureus</i>. [PDF]
Int J Mol SciCoimbra A +4 more
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The Resistance-Nodulation-Division efflux pump EefABC is highly conserved within lineages of <i>E. coli</i> commonly associated with infection. [PDF]
Microb GenomPugh HL +10 more
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Overcoming Multidrug Resistance by Bacterial Efflux Pump Inhibitors in Clinical <i>Escherichia coli</i> Strains. [PDF]
Antibiotics (Basel)Szemerédi N +5 more
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Ethidium bromide enhancement of frameshift mutagenesis caused by photoactivatable ethidium analogs
Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 1979Ethidium azide analogs (3-amino-8-azido-ethidium monoazide and ethidium diazide) have been developed as photosensitive probes in order to analyze directly the reversible in vivo interactions of ethidium bromide. Our preliminary observations [11], relating the mutagenic potential of the monoazide analog of ethidium, have been extended and refined, using
David Graves +2 more
exaly +3 more sources
Mutation Research - Environmental Mutagenesis and Related Subjects Including Methodology, 1978
The [14C]-labeled monoazido analog of ethidium, 3-amino-8-azido-5-ethyl-6-phenylphenanthridinium chloride, when mixed with yeast cells and photolyzed, produced covalent adducts with both nuclear and mitochondrial DNA via the light-generated nitrene. The binding efficiency was about 12 times higher in mitochondrial than nuclear DNA. Moreover, the parent
K L Yielding, K Lemone Yielding
exaly +3 more sources
The [14C]-labeled monoazido analog of ethidium, 3-amino-8-azido-5-ethyl-6-phenylphenanthridinium chloride, when mixed with yeast cells and photolyzed, produced covalent adducts with both nuclear and mitochondrial DNA via the light-generated nitrene. The binding efficiency was about 12 times higher in mitochondrial than nuclear DNA. Moreover, the parent
K L Yielding, K Lemone Yielding
exaly +3 more sources
Biochemical and Biophysical Research Communications, 1979
Abstract The photoreactive analogs of ethidium bromide (ethidium mono- and diazide) have been developed as drug probes to determine the actual molecular details of ethidium bromide interactions with DNA. In an effort to demonstrate that the analogs in fact mimic the parent ethidium, competition experiments were designed using 3H thymidine-labeled DNA
L W Yielding, K L Yielding, D E Graves
exaly +3 more sources
Abstract The photoreactive analogs of ethidium bromide (ethidium mono- and diazide) have been developed as drug probes to determine the actual molecular details of ethidium bromide interactions with DNA. In an effort to demonstrate that the analogs in fact mimic the parent ethidium, competition experiments were designed using 3H thymidine-labeled DNA
L W Yielding, K L Yielding, D E Graves
exaly +3 more sources
On the Electronic Structure of Ethidium
Chemistry – A European Journal, 2004AbstractThe electronic structure of the common intercalating agent ethidium bromide (3,8‐diamino‐5‐ethyl‐6‐phenylphenanthridinium bromide) is dominated by an interplay of electron donating and withdrawing effects mediated by its nitrogen atoms. X‐ray crystallography, UV/Vis and IR absorption, fluorescence emission, and NMR spectroscopy are used to ...
Nathan W, Luedtke, Qi, Liu, Yitzhak, Tor
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Mutation Research, 1979
Propidium, a phenanthridinium dye similar to ethidium, did not induce petite mutations in non-growing yeast cells in contrast to ethidium. Combined exposure to ethidium and an excess of propidium for periods up to 2 h resulted in the expected petite induction expressed after subsequent plating on growth medium.
M, Fukunaga, K L, Yielding
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Propidium, a phenanthridinium dye similar to ethidium, did not induce petite mutations in non-growing yeast cells in contrast to ethidium. Combined exposure to ethidium and an excess of propidium for periods up to 2 h resulted in the expected petite induction expressed after subsequent plating on growth medium.
M, Fukunaga, K L, Yielding
openaire +2 more sources