| molecular epidemiology of ampicillin resistance in salmonella spp. and escherichia coli from wastewater and clinical specimens. | molecular epidemiology at local scale in sicily (italy) of ampicillin resistance in salmonella spp. isolates from municipal wastewater (n = 64) and clinical specimens (n = 274) is described in comparison with previously examined escherichia coli isolates (n = 273) from wastewater. high prevalence of antibiotic resistance (28.9%) with highest resistance rates against ampicillin (22.7%) was observed in e. coli isolates. different resistance rates were observed in salmonella according to the serova ... | 2010 | 20367333 |
| pheno-genotyping of salmonella enterica serotype enteritidis isolates identified in sicily during a reemergence period. | after an upward trend paralleling that occurring in most european countries, including italy, since october 2002 salmonella enterica serotype enteritidis (s. enteritidis) has again gained the first position among outbreak and sporadic human isolates of salmonella in sicily. because phage typing of s. enteritidis has many technical and epidemiological limitations and molecular methods have proved to be poorly discriminative for this organism, multiple typing, using phage typing together with puls ... | 2004 | 15992280 |
| epidemiological evaluation by rrna-dna hybridization of strains of salmonella enterica subsp. enterica serovar abortusovis isolated in southern italy in the years 1981-1989. | salmonella enterica subsp. enterica serovar abortusovis is a major agent of abortion of the sheep and is firmly established, although at low prevalence, in sicily. this paper describes the application rdna gene restriction pattern fingerprinting to investigate relatedness among 7 serovar abortusovis strains isolated at the "istituto zooprofilattico sperimentale" of sicily and 29 isolates identified at the southern italy centre of enterobacteriaceae between 1981 and 1989. although abortusovis ser ... | 1991 | 1727022 |
| characterization of strains of salmonella enterica subsp. enterica serovar wien isolated in italy: an epidemiological evaluation. | in the years 1987-1988, 110 strains of wien serovar were isolated from a gastroenteritis outbreak in a neonatal unit in palermo (sicily). these strains showed different drug resistance patterns and plasmid profiles. analysis of endonuclease restriction fragments of chromosomal dna by hybridization with e. coli rrna has demonstrated that a single bacterial clone or its derivatives were responsible for the outbreak. furthermore, the study of 139 strains, isolated since 1970 from different geograph ... | 1990 | 1982334 |