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Contribution of riboflavin supply pathways to Vibrio cholerae in different environments

Overview of attention for article published in Gut Pathogens, November 2017
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Title
Contribution of riboflavin supply pathways to Vibrio cholerae in different environments
Published in
Gut Pathogens, November 2017
DOI 10.1186/s13099-017-0214-9
Pubmed ID
Authors

Andrés Fuentes Flores, Ignacio Sepúlveda Cisternas, José Ignacio Vásquez Solis de Ovando, Alexia Torres, Víctor Antonio García-Angulo

Abstract

The waterborne diarrheagenic bacterium Vibrio cholerae, cause of the pandemic cholera disease, thrives in a variety of environments ranging from estuarine waters to the human intestinal tract. This species has two ways to obtain the essential micronutrient riboflavin, de novo biosynthesis and environmental uptake through the RibN importer. The way these functions interrelate to fulfill riboflavin needs in different conditions in this species is unknown. This study analyzed the contributions of riboflavin biosynthesis and transport to the culturability of Vibrio cholerae in river and seawater in vitro and in the Caenorhabditis elegans nematode host model. Elimination of the ribD riboflavin biosynthetic gene renders the bacteria riboflavin-auxotrophic, while a ribN mutant strain has no growth defect in minimal media. When growing in river water, deletion of ribD causes an impairment in culturability. In this condition, the ∆ribN strain has a defect to compete against a wild type strain but outcompetes the ∆ribD strain. The latter effect is inverted by the addition of riboflavin to the water. In contrast, growth in seawater causes a loss in culturability independent of riboflavin biosynthesis or transport. In the C. elegans model, only the ∆ribD strain is attenuated. Results indicate that while riboflavin biosynthesis seems to outweigh riboflavin uptake, the latter may still provide a selective advantage to V. cholerae in some environments.

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Mendeley readers

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The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 3 15%
Student > Doctoral Student 2 10%
Student > Master 2 10%
Professor > Associate Professor 2 10%
Researcher 2 10%
Other 3 15%
Unknown 6 30%
Readers by discipline Count As %
Immunology and Microbiology 4 20%
Biochemistry, Genetics and Molecular Biology 3 15%
Agricultural and Biological Sciences 3 15%
Medicine and Dentistry 3 15%
Environmental Science 1 5%
Other 1 5%
Unknown 5 25%
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 23 November 2017.
All research outputs
#17,920,654
of 23,008,860 outputs
Outputs from Gut Pathogens
#334
of 525 outputs
Outputs of similar age
#232,576
of 325,280 outputs
Outputs of similar age from Gut Pathogens
#10
of 17 outputs
Altmetric has tracked 23,008,860 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 525 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.8. This one is in the 26th percentile – i.e., 26% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 325,280 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.