Regulation of extracellular proteins and alpha-amylase secretion by temperature in Bacillus subtilis
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
2509311
DOI
10.1007/bf02821290
Knihovny.cz E-zdroje
- MeSH
- alfa-amylasy biosyntéza metabolismus MeSH
- Bacillus subtilis enzymologie metabolismus MeSH
- bakteriální proteiny biosyntéza MeSH
- elektroforéza v polyakrylamidovém gelu MeSH
- leucin metabolismus MeSH
- teplota MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- alfa-amylasy MeSH
- bakteriální proteiny MeSH
- leucin MeSH
alpha-Amylase was found to be the main protein secreted by Bacillus subtilis, corresponding to 90, 87 and 60% of total extracellular proteins at 30, 40 and 45 degrees C, respectively. A change in temperature can affect the pattern of proteins secreted as detected by gel electrophoresis. 14C-Leucine incorporation into extracellular proteins and their proportion at the end of the growth phase was higher at 30 degrees C than that at 40 or 45 degrees C. The effect of temperature on alpha-amylase synthesis as determined by its enzymic activity and on the extracellular protein synthesis followed a similar pattern.
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