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The Aspergillus nidulans GATA Factor SREA Is Involved in Regulation of Siderophore Biosynthesis and Control of Iron Uptake*
It is demonstrated that SREA plays a central role in iron uptake in addition to siderophore biosynthesis, and overexpression of sreA does not result in repression of sIDERophore synthesis under low iron conditions, suggesting additional mechanisms involved in this regulatory circuit.
Biochemical and genetic studies on two different types of erythromycin resistant mutants of Escherichia coli with altered ribosomal proteins
Transduction experiments showed that the mutations affecting both proteins, L4 and L22, are located very close to the str and spc genes, nearer to the spc than to str gene.
Comparative cross-linking study on the 50S ribosomal subunit from Escherichia coli.
We have carried out an extensive protein-protein cross-linking study on the 50S ribosomal subunit of Escherichia coli using four different cross-linking reagents of varying length and specificity.