肠炎沙门氏菌：不同血清型之间的生存、定植及毒力差异
Salmonella enterica: survival, colonization, and virulence differences among serovars.
作者信息
Andino A, Hanning I
机构信息
Department of Food Science and Technology, University of Tennessee, 2605 River Drive, Knoxville, TN 37996, USA.
出版信息
ScientificWorldJournal. 2015;2015:520179. doi: 10.1155/2015/520179. Epub 2015 Jan 13.
Abstract
Data indicate that prevalence of specific serovars of Salmonella enterica in human foodborne illness is not correlated with their prevalence in feed. Given that feed is a suboptimal environment for S. enterica, it appears that survival in poultry feed may be an independent factor unrelated to virulence of specific serovars of Salmonella. Additionally, S. enterica serovars appear to have different host specificity and the ability to cause disease in those hosts is also serovar dependent. These differences among the serovars may be related to gene presence or absence and expression levels of those genes. With a better understanding of serovar specificity, mitigation methods can be implemented to control Salmonella at preharvest and postharvest levels.
摘要
数据表明，肠炎沙门氏菌特定血清型在人类食源性疾病中的流行率与其在饲料中的流行率无关。鉴于饲料对肠炎沙门氏菌来说并非理想的生存环境，看来在禽类饲料中的存活可能是一个与肠炎沙门氏菌特定血清型毒力无关的独立因素。此外，肠炎沙门氏菌血清型似乎具有不同的宿主特异性，并且在这些宿主中引发疾病的能力也取决于血清型。血清型之间的这些差异可能与基因的有无及其表达水平有关。通过更好地了解血清型特异性，可以实施缓解措施，在收获前和收获后阶段控制沙门氏菌。
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