Sunil Palchaudhuri

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The determination of bacterial identity at the strain level is still a complex and time-consuming endeavor. In this study, visible wavelength spontaneous Raman spectroscopy has been used for the discrimination of four closely related Escherichia coli strains: pathogenic enterohemorrhagic E. coli O157:H7 and non-pathogenic E. coli C, E. coli Hfr K-12, and E.(More)
Several mutations affecting the control or the potential of gene expression in the argECBH bipolar operon have been characterized by enzyme assays, genetic mapping, dominance tests and pulse labelled RNA determinations. None of the mutations involves DNA rearrangements detectable by heteroduplex analysis (Charlier et al., 1978). Partially constitutive(More)
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