RESUMEN
Three urease-negative Y. enterocolitica strains of biotype 2 have been isolated from stool and urine of healthy persons. They were diagnosed on an isolation medium used routinely in the bacteriological laboratory of the Regional Station of Hygiene in Ceské Budejovice for isolation and diagnosis of gram-negative facultatively anaerobic-fermenting rods. An important characteristic was the smell of the culture, typical of all the indole-positive strains of Y. enterocolitica.
Asunto(s)
Ureasa/biosíntesis , Yersinia/aislamiento & purificación , Adulto , Antibacterianos/farmacología , Niño , Medios de Cultivo , Checoslovaquia , Farmacorresistencia Microbiana , Heces/microbiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Orina/microbiología , Yersinia/efectos de los fármacos , Yersinia/enzimologíaRESUMEN
In addition to the predominant Shigella sonnei, also rarely occurring Shigella serovars have been found in Czechoslovakia: 4 serovars of subgroup A (S. dysenteriae 3, 4, 7 and 12) and 11 serovars of subgroup C (S. boydii 2, 3, 5, 7, 9 lactose-positive, 10, 13, 14 aerogenic, mannitol-negative, 15, 16 and the provisional serovar E 16553). First isolations of these serovars were mostly connected with cases imported from abroad. Some serovars were isolated repeatedly. Newly recognized serovars of S. flexneri (3b, 5a) as well as biochemically aberrant strains of subgroup B (S. flexneri), C (S. boydii) and D (S. sonnei) were isolated. Frequency and importance of some S. flexneri serovars have been changing in the course of time, e.g. S. flexneri 2b, that had evidently been frequent in central Europe 40 years ago, disappeared completely.
Asunto(s)
Disentería Bacilar/epidemiología , Shigella/clasificación , Checoslovaquia , Disentería Bacilar/microbiología , Europa (Continente) , Femenino , Humanos , Masculino , Serotipificación , Shigella/aislamiento & purificaciónRESUMEN
Over the period 1983-1985, investigators from the Institute of Hygiene and Epidemiology, Prague, and the Central Research Institute of Epidemiology, USSR Ministry of Public Health, Moscow, carried out a joint study of drug resistance in S. aureus strains in relation to their enterotoxigenic properties and phage group specificity. Altogether 277 strains were explored which had been isolated at random from the clinical material from infant and adult inpatients. Most of the isolated strains featured multiple resistance to antibiotics: PNC (77.9%), CMP (52.7%), TET (21.6%), ERY (17.6%) and LIN (11.9%). The strains isolated from infants were most frequently resistant to TET and ERY. No correlation was found between the incidence of antimicrobial drugs resistance and toxigenic properties of the isolated strains.