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Molecular characterization of Aeromonas spp. and Vibrio cholerae O1 isolated during a diarrhea outbreak

Overview of attention for article published in Revista do Instituto de Medicina Tropical de Sao Paulo, December 2012
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Title
Molecular characterization of Aeromonas spp. and Vibrio cholerae O1 isolated during a diarrhea outbreak
Published in
Revista do Instituto de Medicina Tropical de Sao Paulo, December 2012
DOI 10.1590/s0036-46652012000600001
Pubmed ID
Authors

Carina Lucena Mendes-Marques, Larissa Mélo do Nascimento, Grace Nazareth Diogo Theophilo, Ernesto Hofer, Osvaldo Pompílio de Melo Neto, Nilma Cintra Leal

Abstract

This work aimed to assess pathogenic potential and clonal relatedness of Aeromonas sp. and Vibrio cholerae isolates recovered during a diarrhea outbreak in Brazil. Clinical and environmental isolates were investigated for the presence of known pathogenic genes and clonal relatedness was assessed by intergenic spacer region (ISR) 16S-23S amplification. Four Aeromonas genes (lip, exu, gcat, flaA/B) were found at high overall frequency in both clinical and environmental isolates although the lip gene was specifically absent from selected species. A fifth gene, aerA, was rarely found in A. caviae, the most abundant species. The ISR profile revealed high heterogeneity among the Aeromonas isolates and no correlation with species identification. In contrast, in all the V. cholerae isolates the four genes investigated (ctxA, tcpA, zot and ace) were amplified and revealed homogeneous ISR and RAPD profiles. Although Aeromonas isolates were the major enteric pathogen recovered, their ISR profiles are not compatible with a unique cause for the diarrhea events, while the clonal relationship clearly implicates V. cholerae in those cases from which it was isolated. These results reinforce the need for a better definition of the role of aeromonads in diarrhea and whether they benefit from co-infection with V. cholerae.

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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 24 November 2012.
All research outputs
#17,285,036
of 25,371,288 outputs
Outputs from Revista do Instituto de Medicina Tropical de Sao Paulo
#433
of 785 outputs
Outputs of similar age
#191,412
of 285,736 outputs
Outputs of similar age from Revista do Instituto de Medicina Tropical de Sao Paulo
#13
of 22 outputs
Altmetric has tracked 25,371,288 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 785 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 32nd percentile – i.e., 32% of its peers scored the same or lower than it.
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We're also able to compare this research output to 22 others from the same source and published within six weeks on either side of this one. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.