Nishiyama, M Cloning and characterization in Escherichia coli of the gene encoding the principal sigma factor of an extreme thermophile, Thermus thermophilus. [electronic resource] - FEMS microbiology letters Mar 1999 - 179-86 p. digital Publication Type: Journal Article ISSN: 0378-1097 Standard No.: 10.1111/j.1574-6968.1999.tb13467.x doi Subjects--Topical Terms: Amino Acid SequenceCloning, MolecularDNA-Directed RNA Polymerases--analysisElectrophoresis, Polyacrylamide GelEscherichia coli--geneticsMolecular Sequence DataRecombinant Proteins--biosynthesisSequence AlignmentSigma Factor--analysisThermus thermophilus--chemistry