Abstract
The genes for protein synthesis elongation factors Tu and G were cloned from the cyanobacterium Anacystis nidulans. The locations of these genes were mapped within the cloned DNA fragment by hybridization with Escherichia coli probes. The organization of the cloned fragment and the DNA flanking it in the A. nidulans chromosome was also determined. The elongation factor Tu and G genes are adjacent to one another and in the same 5'-to-3' orientation. In contrast to other gram-negative bacteria, A. nidulans contains only one gene for elongation factor Tu.
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