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Iron uptake in proteobacteria by TonB-dependent outer membrane transporters represents a well-explored subject. In contrast, the… Expand This review presents natural products from cyanobacteria. Several classes of secondary metabolites are highlighted. Toxic… Expand The Bacillus subtilis ferric uptake regulator (Fur) protein mediates the iron-dependent repression of at least 20 operons… Expand The Rhizobia comprise one of the most important groups of beneficial bacteria, which form nodules on the roots (rarely on the… Expand Schizokinen, a siderophore previously isolated from low-iron cultures of Bacillus megaterium and Anabaena sp., was isolated from… Expand The cyanobacterium Anabaena sp. strain ATCC 27898 was found to utilize the siderophore schizokinen to accumulate iron from the… Expand From our experimental evidence that iron lirnitation greatly increases the extracellular concentration of strong copper… Expand Escherichia coli, Bacillus megaterium, and three species of yersiniae grew rapidly without significant production of soluble… Expand Bacillus megaterium ATCC 19213 secretes a cell division-initiating "schizokinen" (SK) which accumulates during its culture cycle… Expand Lankford, C. E. (The University of Texas, Austin), James R. Walker, James B. Reeves, N. H. Nabbut, B. R. Byers, and R. J. Jones… Expand