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Cited by 271

The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.

Bacterial killing via a type IV secretion system

Open access
Souza, Diorge P., Oka, Gabriel U., Alvarez-Martinez, Cristina E., Bisson-Filho, Alexandre W., Dunger, German, Hobeika, Lise, Cavalcante, Nayara S., Alegria, Marcos C., Barbosa, Leandro R.S., Salinas, Roberto K., Guzzo, Cristiane R., Farah, Chuck S.·2015·Nature Communications

Abstract

Type IV secretion systems (T4SSs) are multiprotein complexes that transport effector proteins and protein–DNA complexes through bacterial membranes to the extracellular milieu or directly into the cytoplasm of other cells. Many bacteria of the family Xanthomonadaceae, which occupy diverse environmental niches, carry a T4SS with unknown function but with several characteristics that distinguishes it from other T4SSs. Here we show that the Xanthomonas citri T4SS provides these cells the capacity to kill other Gram-negative bacterial species in a contact-dependent manner. The secretion of one type IV bacterial effector protein is shown to require a conserved C-terminal domain and its bacteriolytic activity is neutralized by a cognate immunity protein whose 3D structure is similar to peptidoglycan hydrolase inhibitors. This is the first demonstration of the involvement of a T4SS in bacterial killing and points to this special class of T4SS as a mediator of both antagonistic and cooperative interbacterial interactions. Bacterial secretion systems deliver proteins to the extracellular milieu or directly into the cytoplasm of other cells. Here Souza et al. show that a type IV secretion system (T4SS) allows Xanthomonas citrito kill other Gram-negative bacterial species in a contact-dependent manner.

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Crossref · 10.1038/ncomms7453

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Metadata

Authors
Souza, D. P., Oka, G. U., Alvarez-Martinez, C. E., Bisson-Filho, A. W., Dunger, G., Hobeika, L., Cavalcante, N. S., Alegria, M. C., Barbosa, L. R. S., Salinas, R. K., Guzzo, C. R., & Farah, C. S.
Venue
Nature Communications
Published
2015-03-06
Volume
6
Issue
1
Pages
6453-6453
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2073690728
Cited by
271
References
65
FWCI
9.25
Type
journal article
Language
en
Open access
gold

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