Abstract
Heat shock inBacillus subtilis may induce as many as 66 proteins after temperature upshift from 37° to 48°C. Four induced proteins were analyzed by microsequencing techniques. These were identified as the homologues for GroEL, DnaK, enolase, and glyceraldehyde-3-phosphate dehydrogenase (GAPDH), which are heat shock proteins in other systems. The identities of GroEL and DnaK were confirmed additionally by Western blot analysis. As a control, a protein whose synthesis was repressed approximately threefold by heat shock was identified by microsequencing as flagellin.
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Miller, B.S., Kennedy, T.E. & Streips, U.N. Molecular characterization of specific heat shock proteins inBacillus subtilis . Current Microbiology 22, 231–236 (1991). https://doi.org/10.1007/BF02092314
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DOI: https://doi.org/10.1007/BF02092314