Modified method for production and purification of Staphylococcus aureus enterotoxin B.
AUTOR(ES)
Melconian, A K
RESUMO
A medium containing 4% bio-trypcase and 1% yeast extract was used for the production of Staphylococcus aureus enterotoxin B. The yield obtained was estimated at 200 micrograms of enterotoxin per ml of S. aureus S-6 culture supernatant. The purification method involves chromatography on Biorex 70 resin, isoelectric focusing, and gel filtration on Sephadex G-100. The purified enterotoxin (isoionic point, pH 8.55) was shown to be homogenous protein with a molecular weight of 29,000 when tested by gel electrophoresis.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=242421Documentos Relacionados
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