Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ

Human infections by the bacterial pathogen Salmonella enterica represent major disease burdens worldwide. This highly ubiquitous species consists of more than 2600 different serovars that can be divided into typhoidal and non-typhoidal Salmonella (NTS) serovars. Despite their genetic similarity, the...

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Main Authors: Ohad eGal-Mor, Erin C Boyle, Guntram A. Grassl
Format: Article
Language:English
Published: Frontiers Media S.A. 2014-08-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00391/full
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author Ohad eGal-Mor
Erin C Boyle
Guntram A. Grassl
Guntram A. Grassl
author_facet Ohad eGal-Mor
Erin C Boyle
Guntram A. Grassl
Guntram A. Grassl
author_sort Ohad eGal-Mor
collection DOAJ
description Human infections by the bacterial pathogen Salmonella enterica represent major disease burdens worldwide. This highly ubiquitous species consists of more than 2600 different serovars that can be divided into typhoidal and non-typhoidal Salmonella (NTS) serovars. Despite their genetic similarity, these two groups elicit very different diseases and distinct immune responses in humans. Comparative analyses of the genomes of multiple Salmonella serovars have begun to explain the basis of the variation in disease manifestations. Recent advances in modeling both enteric fever and intestinal gastroenteritis in mice will facilitate investigation into both the bacterial- and host-mediated mechanisms involved in salmonelloses. Understanding the genetic and molecular mechanisms responsible for differences in disease outcome will augment our understanding of Salmonella pathogenesis, host immunity, and the molecular basis of host specificity. This review outlines the differences in epidemiology, clinical manifestations, and the human immune response to typhoidal and NTS infections and summarizes the current thinking on why these differences might exist.
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spelling doaj.art-71899057f3c444a68e69dcd24ee387ce2022-12-22T00:27:00ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2014-08-01510.3389/fmicb.2014.00391102622Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differOhad eGal-Mor0Erin C Boyle1Guntram A. Grassl2Guntram A. Grassl3Sheba Medical CenterBernhard Nocht Institute For Tropical MedicineChristian-Albrechts-University of KielResearch Center BorstelHuman infections by the bacterial pathogen Salmonella enterica represent major disease burdens worldwide. This highly ubiquitous species consists of more than 2600 different serovars that can be divided into typhoidal and non-typhoidal Salmonella (NTS) serovars. Despite their genetic similarity, these two groups elicit very different diseases and distinct immune responses in humans. Comparative analyses of the genomes of multiple Salmonella serovars have begun to explain the basis of the variation in disease manifestations. Recent advances in modeling both enteric fever and intestinal gastroenteritis in mice will facilitate investigation into both the bacterial- and host-mediated mechanisms involved in salmonelloses. Understanding the genetic and molecular mechanisms responsible for differences in disease outcome will augment our understanding of Salmonella pathogenesis, host immunity, and the molecular basis of host specificity. This review outlines the differences in epidemiology, clinical manifestations, and the human immune response to typhoidal and NTS infections and summarizes the current thinking on why these differences might exist.http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00391/fullGastroenteritisSalmonella entericatyphoidsalmonellosisNTSenteric fever
spellingShingle Ohad eGal-Mor
Erin C Boyle
Guntram A. Grassl
Guntram A. Grassl
Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
Frontiers in Microbiology
Gastroenteritis
Salmonella enterica
typhoid
salmonellosis
NTS
enteric fever
title Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
title_full Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
title_fullStr Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
title_full_unstemmed Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
title_short Same species, different diseases: how and why typhoidal and non-typhoidal Salmonella enterica serovars differ
title_sort same species different diseases how and why typhoidal and non typhoidal salmonella enterica serovars differ
topic Gastroenteritis
Salmonella enterica
typhoid
salmonellosis
NTS
enteric fever
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00391/full
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