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Thirty-two extracts from 22 Mexican medicinal plants of 15 different families were assayed to determine their antibacterial activity against Escherichia coli and Staphylococcus aureus. Seventeen plants showed antibacterial activity, while five plants showed no activity against both bacteria. All of the extracts showed higher activity against Staphylococcus… (More)
In Escherichia coli K12 the product of gene lamB is an outer membrane protein involved in the transport of maltose and maltodextrins and serving as a receptor for several bacteriophages including lambda. About 30 to 40% of this protein can be recovered associated to peptidoglycan when the cells are dissolved in sodium dodecyl sulfate in the presence of 2 mM… (More)
Bacteriological and epidemiological studies were carried out on 106 isolates of methicillin-resistant Staphylococcus aureus (MRSA) isolated at our hospital (56 isolates) and from 15 other hospitals and clinics (50 isolates) in the Fukuoka city area. Strains were studied regarding coagulase-type, beta-lactamase production, and antimicrobial susceptibility;… (More)
To clarify what types of methicillin-resistant Staphylococcus aureus (MRSA) strains were easily transmitted and colonized in the inpatients of the emergency center and the neonatal intensive-care unit (NICU) at Fukuoka University Hospital, 70 MRSA isolates obtained from February to November 1995 (the first survey) and from November 1996 to March 1997 (the… (More)
Of 51 strains of Serratia marcescens isolated from patients with urinary or respiratory tract infections, 35 agglutinated in human urine. The agglutinating strains possessed numerous pili which were morphologically distinct from common pili or type I pili. The diameter of the pili was 3 nm and the average length was 0.3 micrometer. Electron microscopic… (More)
Suppressor-sensitive mutants of Bacillus subtilis phage SPO2 were isolated and classified into 18 cistrons. A linear genetic map was constructed. The genes controlling early functions of phage development were clustered near the CI gene which may produce phage repressor.