A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence

Bacteria interact with their host through protein secretion systems and surface structures. Pathogenic bacteria encode protein secretion systems that promote the invasion of the host's tissue, the evasion of the host's immune response, the thwarting microbial competitors, and ultimately su...

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Main Author: Bryan Troxell
Format: Article
Language:English
Published: Taylor & Francis Group 2018-12-01
Series:Virulence
Subjects:
Online Access:http://dx.doi.org/10.1080/21505594.2017.1421829
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author Bryan Troxell
author_facet Bryan Troxell
author_sort Bryan Troxell
collection DOAJ
description Bacteria interact with their host through protein secretion systems and surface structures. Pathogenic bacteria encode protein secretion systems that promote the invasion of the host's tissue, the evasion of the host's immune response, the thwarting microbial competitors, and ultimately survival within the host. For motile bacteria, the presence of extracellular flagella provides the host with a structural motif used for activation of the immune system. Within this issue of Virulence, the article “Identification of a novel gene in ROD9 island of Salmonella Enteritidis involved in the alteration of virulence-associated protein expression” describes the contribution of a gene, SEN1005, toward host-pathogen interaction. The authors demonstrate the contribution of SEN1005 to cell culture bioassays and infection in a mouse model of colitis. In each tested scenario, deletion of SEN1005 results in a phenotypic defect that was complemented by providing the SEN1005 gene in trans. SEN1005 contributes to the expression of known virulence factors within SPI-1, flagellar and chemotaxis genes, and heat shock/chaperone genes. Although much work is needed to fully elucidate the function of SEN1005, this work contributes toward our understanding of the genetic factors used by Salmonella to cause foodborne illnesses.
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spelling doaj.art-7de44443bf98481d8207bc9aec298fe72022-12-22T00:15:12ZengTaylor & Francis GroupVirulence2150-55942150-56082018-12-019158558710.1080/21505594.2017.14218291421829A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulenceBryan Troxell0Alcami Corporation, Biotechnology departmentBacteria interact with their host through protein secretion systems and surface structures. Pathogenic bacteria encode protein secretion systems that promote the invasion of the host's tissue, the evasion of the host's immune response, the thwarting microbial competitors, and ultimately survival within the host. For motile bacteria, the presence of extracellular flagella provides the host with a structural motif used for activation of the immune system. Within this issue of Virulence, the article “Identification of a novel gene in ROD9 island of Salmonella Enteritidis involved in the alteration of virulence-associated protein expression” describes the contribution of a gene, SEN1005, toward host-pathogen interaction. The authors demonstrate the contribution of SEN1005 to cell culture bioassays and infection in a mouse model of colitis. In each tested scenario, deletion of SEN1005 results in a phenotypic defect that was complemented by providing the SEN1005 gene in trans. SEN1005 contributes to the expression of known virulence factors within SPI-1, flagellar and chemotaxis genes, and heat shock/chaperone genes. Although much work is needed to fully elucidate the function of SEN1005, this work contributes toward our understanding of the genetic factors used by Salmonella to cause foodborne illnesses.http://dx.doi.org/10.1080/21505594.2017.1421829Salmonellainvasionmotilityprotein secretiongene regulation
spellingShingle Bryan Troxell
A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
Virulence
Salmonella
invasion
motility
protein secretion
gene regulation
title A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
title_full A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
title_fullStr A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
title_full_unstemmed A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
title_short A type 6 secretion system (T6SS) encoded gene within Salmonella enterica serovar Enteritidis contributes to virulence
title_sort type 6 secretion system t6ss encoded gene within salmonella enterica serovar enteritidis contributes to virulence
topic Salmonella
invasion
motility
protein secretion
gene regulation
url http://dx.doi.org/10.1080/21505594.2017.1421829
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