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Plesiomonas shigelloides exports a lethal cytotoxic-enterotoxin (LCE) by membrane vesicles

Overview of attention for article published in Brazilian Journal of Infectious Diseases, October 2016
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Title
Plesiomonas shigelloides exports a lethal cytotoxic-enterotoxin (LCE) by membrane vesicles
Published in
Brazilian Journal of Infectious Diseases, October 2016
DOI 10.1016/j.bjid.2016.08.014
Pubmed ID
Authors

Marilucia Santos Ludovico, Luciano Moura Martins, Juares Ednaldo Romero Bianco, Célia Guadalupe Tardelli de Jesus Andrade, Rosabel Falcon, Paulo Pinto Joazeiro, Maria Silvia Viccari Gatti, Tomomasa Yano

Abstract

Plesiomonas shigelloides isolated from water in Brazil was previously described as a hemorrhagic heat-labile cytotoxic-enterotoxin producer. We purified this toxin from culture supernatants using ion metallic affinity chromatography (IMAC) followed by molecular exclusion chromatography. The pure toxin presented molecular mass of 50kDa and isoelectric point (pI) around 6.9 by 2D electrophoresis. When injected intravenously, the purified cytotoxic-enterotoxin induced also severe spasms followed by sudden death of mice. Hence, we entitled it as lethal cytotoxic-enterotoxin (LCE). The presence of membrane vesicles (MVs) on cell surfaces of P. shigelloides was observed by scan electron microscopy (SEM). From these MVs the LCE toxin was extracted and confirmed by biological and serological assays. These data suggest that P. shigelloides also exports this cytotoxic-enterotoxin by membrane vesicles, a different mechanism of delivering extra cellular virulence factors, so far not described in this bacterium.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 22 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 5 23%
Student > Master 5 23%
Student > Doctoral Student 2 9%
Other 1 5%
Student > Ph. D. Student 1 5%
Other 1 5%
Unknown 7 32%
Readers by discipline Count As %
Immunology and Microbiology 5 23%
Biochemistry, Genetics and Molecular Biology 2 9%
Medicine and Dentistry 2 9%
Computer Science 1 5%
Arts and Humanities 1 5%
Other 2 9%
Unknown 9 41%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 July 2017.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Brazilian Journal of Infectious Diseases
#645
of 809 outputs
Outputs of similar age
#282,848
of 323,147 outputs
Outputs of similar age from Brazilian Journal of Infectious Diseases
#15
of 21 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 809 research outputs from this source. They receive a mean Attention Score of 3.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 21 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.