Cited by 223Tuberculosis Research and EpidemiologyBacterial Genetics and BiotechnologyMycobacterium research and diagnosis

Take five — Type VII secretion systems of Mycobacteria

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Houben, Edith N.G., Korotkov, Konstantin V., Bitter, Wilbert·2014·Biochimica et Biophysica Acta (BBA) - Molecular Cell Research

Abstract

Mycobacteria use type VII secretion (T7S) systems to secrete proteins across their complex cell envelope. Pathogenic mycobacteria, such as the notorious pathogen Mycobacterium tuberculosis, have up to five of these secretion systems, named ESX-1 to ESX-5. At least three of these secretion systems are essential for mycobacterial virulence and/or viability. Elucidating T7S is therefore essential to understand the success of M. tuberculosis and other pathogenic mycobacteria as pathogens, and could be instrumental to identify novel targets for drug- and vaccine-development. Recently, significant progress has been achieved in the identification of T7S substrates and a general secretion motif. In addition, a start has been made with unraveling the mechanism of secretion and the structural analysis of the different subunits. This review summarizes these recent findings, which are incorporated in a working model of this complex machinery. This article is part of a Special Issue entitled: Protein trafficking and secretion in bacteria. Guest Editors: Anastassios Economou and Ross Dalbey.

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  • ESX-4 is one of the least well-characterized ESX systems, although it is considered the most ancestral esx locus in mycobacteria.

    “ESX-4 is one of the least well-characterized ESX systems, although it is considered the most ancestral esx locus in mycobacteria (21,82).”

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Authors
Houben, E. N. G., Korotkov, K. V., & Bitter, W.
Affiliations
  • Vrije Universiteit Amsterdam (NL)
  • University of Kentucky (US)
Corresponding author
Houben, Edith N.G.
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Publisher
Elsevier BV
Published
2014-08
Volume
1843
Issue
8
Pages
1707-1716
ISSN
0167-4889 (ISSN-L)
OpenAlex
W2107983230
Cited by
223
References
93
Citations by year
2026: 6 · 2025: 15 · 2024: 8 · 2023: 5 · 2022: 9 · 2021: 37 · 2020: 19 · 2019: 21 · 2018: 20 · 2017: 22 · 2016: 30 · 2015: 24 · 2014: 7
FWCI
2.64
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Cell Research (publishedVersion)
  • PubMed (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • VU Research Portal (publishedVersion, other-oa)
  • Pure Amsterdam UMC (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
  • National Institute of General Medical Sciences (P20GM103486)
  • Netherlands Organization for Scientific Research (NWO)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Health Sciences › Medicine › Epidemiology › Mycobacterium research and diagnosis
Keywords
type VII secretion system, ESX secretion system, Mycobacterium tuberculosis, mycobacterial virulence, bacterial protein secretion, secretion mechanism, ESX-1, therapeutic target, vaccine targets
MeSH terms
Bacterial Proteins, Cell Wall, Humans, Mycobacterium tuberculosis, Tuberculosis, Protein Structure, Tertiary, Molecular Chaperones, Protein Transport, Bacterial Secretion Systems

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