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Chapter 33 : The Genetic Map of Bacillus stearothermophilus
Although some progress has been made in the development of genetic technology for Bacillus stearothermophilus, strains of the genus Thermus, and Methanobacterium thermoautotrophicum, the lack of efficient and reliable genetic exchange systems, a repertoire of mutants, or plasmids that express useful genetic markers has hampered the exploitation of these organisms for basic and applied research. Recent progress in the development of genetic techniques for B. stearothermophilus NUB36 makes it possible to elucidate the molecular and genetic mechanisms of thermophily in this organism. The genetic characterization of the B. stearothermophilus NUB36 genome is the first step in attaining this goal. The map was constructed using the linkages reported by Vallier and Welker. The genetic map of B. stearothermophilus NUB36 may be similar to the B. subtilis 168 map; however, the identity of the genes in B. stearothermophilus with the putative analogous genes of B. subtilis must be rigorously established by biochemical and molecular biological techniques.