Aim, Load, Fire: The Type VI Secretion System, a Bacterial Nanoweapon

Francesca R. Cianfanelli, Laura Monlezun, Sarah J. Coulthurst (Lead / Corresponding author)

Research output: Contribution to journalArticle

129 Citations (Scopus)

Abstract

Bacteria utilise specialised protein secretion systems to interact with host organisms, competitor bacteria, and the environment. The Type VI secretion system (T6SS) is a versatile weapon deployed by many bacterial species to target either host cells or rival bacteria. The widespread occurrence and significance of the T6SS is becoming increasingly appreciated, as is its intriguing mode of action. The T6SS delivers multiple, diverse effector proteins directly into target cells using a dynamic 'firing' mechanism related to the action of contractile bacteriophage tails. Here, we summarise the contribution of recent findings to our developing picture of how the T6SS assembles and fires, how it is loaded with different types of effectors, and how it can be aimed towards an incoming assault.

Original languageEnglish
Pages (from-to)51-62
Number of pages12
JournalTrends in Microbiology
Volume24
Issue number1
Early online date5 Nov 2015
DOIs
Publication statusPublished - Jan 2016

Fingerprint

Bacteria
Weapons
Bacteriophages
Type VI Secretion Systems
Proteins
Protein Translocation Systems

Keywords

  • Bacterial protein secretion
  • Interbacterial competition
  • Macromolecular machine
  • Secreted effector proteins
  • Type VI secretion system

Cite this

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Aim, Load, Fire : The Type VI Secretion System, a Bacterial Nanoweapon. / Cianfanelli, Francesca R.; Monlezun, Laura; Coulthurst, Sarah J. (Lead / Corresponding author).

In: Trends in Microbiology, Vol. 24, No. 1, 01.2016, p. 51-62.

Research output: Contribution to journalArticle

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