Salmonella strains in humans distinct from animals - (from a press release)
March 27, 2008 – 9:19 pmhttp://www.eurekalert.org/pub_releases/2008-03/asfm-tft032608.php
A new study suggests salmonella strains collected from human salamonellosis patients to be distinct from those of animal origin, a finding that could significantly impact the development of treatment methods for foodborne illnesses. The researchers report their findings in the March 2008 journal Applied and Environmental Microbiology.
Salmonella enterica, one of the most infectious foodborne pathogens inflicting humans today, is commonly transmitted through consumption of meat and food products that have been contaminated with animal waste. Currently over 2,300 types of S. enterica have been identified, and although useful epidemiologically, they provide limited information concerning bacterial diversity, evolutionary relatedness and pathogenicity. Virulence determinants and degree of pathogenicity in a particular animal host are not yet well understood.
In the study researchers tested the virulence capacities of 184 human and animal S. enterica isolates in mice. Results showed that all 21 serovar typhimurium isolates derived from animals were virulent in mice, while only […]
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