| pubmed-article:10531212 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C0036113 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C0042765 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C0370215 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C1533691 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C0936012 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C0205210 | lld:lifeskim |
| pubmed-article:10531212 | lifeskim:mentions | umls-concept:C1515655 | lld:lifeskim |
| pubmed-article:10531212 | pubmed:issue | 11 | lld:pubmed |
| pubmed-article:10531212 | pubmed:dateCreated | 1999-11-16 | lld:pubmed |
| pubmed-article:10531212 | pubmed:abstractText | Salmonella enterica serotype Enteritidis (S. enteritidis) is a major food-borne pathogen, and its incidence among all Salmonella serotypes has increased dramatically in the last two decades. To study the virulence characteristics of clinical isolates of S. enteritidis, we determined the 50% lethal doses (LD(50)) in mice of isolates of two major phage types (4 and 8). Isolates of both phage types showed a wide range of LD(50) after oral inoculation, varying from under 10(2) organisms to over 10(8) organisms. No significant difference in LD(50) was observed between the phage types. These observations indicated that clinical isolates of S. enteritidis are highly heterogeneous in their ability to cause death in mice. We compared the LD(50)s of these isolates to the results observed from in vitro pathogenicity assays. We also analyzed these isolates for recognized Salmonella virulence loci (spv, sodCI, sopE, and sef). The in vitro phenotypes of the isolates showed no obvious correlation with their LD(50) in any given assay, and the virulence genes tested were present in all isolates. However, the isolate with the lowest LD(50) (isolate 97A 2472) was resistant to acidified sodium nitrite (ASN). Moreover, the most acid-susceptible, macrophage-susceptible, and ASN-susceptible isolates were attenuated for virulence in mice. These results, based on extensive analysis of clinical isolates of S. enteritidis, demonstrate the complex nature of Salmonella pathogenesis in mice. Our results also indicate the limitation of in vitro assays in predicting in vivo virulence. | lld:pubmed |
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| pubmed-article:10531212 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10531212 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10531212 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:10531212 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10531212 | pubmed:month | Nov | lld:pubmed |
| pubmed-article:10531212 | pubmed:issn | 0019-9567 | lld:pubmed |
| pubmed-article:10531212 | pubmed:author | pubmed-author:PJ | lld:pubmed |
| pubmed-article:10531212 | pubmed:author | pubmed-author:XuYY | lld:pubmed |
| pubmed-article:10531212 | pubmed:author | pubmed-author:FangF CFC | lld:pubmed |
| pubmed-article:10531212 | pubmed:author | pubmed-author:RileyL WLW | lld:pubmed |
| pubmed-article:10531212 | pubmed:author | pubmed-author:MangesA RAR | lld:pubmed |
| pubmed-article:10531212 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10531212 | pubmed:volume | 67 | lld:pubmed |
| pubmed-article:10531212 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10531212 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10531212 | pubmed:pagination | 5651-7 | lld:pubmed |
| pubmed-article:10531212 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:10531212 | pubmed:year | 1999 | lld:pubmed |
| pubmed-article:10531212 | pubmed:articleTitle | Analysis of virulence of clinical isolates of Salmonella enteritidis in vivo and in vitro. | lld:pubmed |
| pubmed-article:10531212 | pubmed:affiliation | Program in Infectious Diseases, School of Public Health, University of California at Berkeley, Berkeley, California, USA. | lld:pubmed |
| pubmed-article:10531212 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10531212 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10531212 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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