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We have previously described () that Escherichia coli maintains a balanced supply of deoxyribonucleotides by a regulatory mechanism that up-regulates the levels of ribonucleotide reductase with the(More)
Alternative splicing is a widespread mechanism of gene expression regulation. Previous analyses based on conventional RT-PCR reported the presence of an unspliced c-fos transcript in several(More)
A metallomic approach based on the use of size-exclusion chromatography (Superdex-75) with inductively coupled plasma mass spectrometry (ICP-MS) detection is combined with anion or cation exchange(More)