P Valladier

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Malondialdehyde and a series of acrolein derivatives substituted in the beta-position with good leaving groups react with guanine and guanine nucleosides to form two different types of adducts. The reaction with guanosine is typical. One adduct exhibits ultraviolet absorbance maxima at 253, 319, and 348 nm and is fluorescent. Its NMR spectrum exhibits three(More)
The NarI restriction enzyme recognition site, G1G2CG3CC, has been identified as a hotspot for -2 frameshift mutations induced by N-2-acetylaminofluorene (AAF) on the basis of a forward mutation assay in plasmid pBR322 in the bacterium Escherichia coli. AAF binds primarily to the C-8 position of guanine residues, and the three guanines of the NarI site are(More)
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