NDLI: Power plays: iron transport and energy transduction in pathogenic vibrios

Content Provider	Springer Nature Link
Author	Kustusch, Ryan J. Kuehl, Carole J. Crosa, Jorge H.
Copyright Year	2011
Abstract	The Vibrios are a unique group of bacteria inhabiting a vast array of aquatic environments. Many Vibrio species are capable of infecting a wide assortment of hosts. Some of these species include V. parahaemolyticus, V. alginolyticus, V. vulnificus, V. anguillarum, and V. cholerae. The ability of these organisms to utilize iron is essential in establishing both an infection in their hosts as well as surviving in the environment. Bacteria are able to sequester iron through the secretion of low molecular weight iron chelators termed siderophores. The iron-siderophore complexes are bound by specific outer membrane receptors and are brought through both the outer and inner membranes of the cell. The energy needed to drive this active transport is achieved through the TonB energy transduction system. When first elucidated in E. coli, the TonB system was shown to be a three protein complex consisting of TonB, ExbB and ExbD. Most Vibrio species carry two TonB systems. The second TonB system includes a fourth protein; TtpC, which is essential for TonB2 mediated iron transport. Some Vibrio species have been shown to carry a third TonB system that also includes a TtpC protein.
Starting Page	559
Ending Page	566
Page Count	8
File Format	PDF
ISSN	09660844
Journal	BioMetals
Volume Number	24
Issue Number	3
e-ISSN	15728773
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-03-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Vibrio Iron TonB TtpC Biochemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Biochemistry, Genetics and Molecular Biology Biomaterials Agricultural and Biological Sciences

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Molecular and genetic characterization of the TonB2-cluster TtpC protein in pathogenic vibrios

Power plays: iron transport and energy transduction in pathogenic vibrios

TonB-dependent energy transduction between outer and cytoplasmic membranes

Heme, an iron supply for vibrios pathogenic for fish

Molecular and genetic characterization of the TonB2-cluster TtpC protein in pathogenic vibrios

Iron acquisition in Vibrio cholerae

Bioinformatic analysis of the TonB protein family

Characterization of ferric-anguibactin transport in Vibrio anguillarum

Iron transport in Francisella in the absence of a recognizable TonB protein still requires energy generated by the proton motive force

Power plays: iron transport and energy transduction in pathogenic vibrios

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