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Roles for RpoS in survival of Escherichia coli during protozoan predation and in reduced moisture conditions highlight its importance in soil environments

Overview of attention for article published in FEMS Microbiology Letters, September 2017
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  • Good Attention Score compared to outputs of the same age (71st percentile)
  • Good Attention Score compared to outputs of the same age and source (75th percentile)

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Title
Roles for RpoS in survival of Escherichia coli during protozoan predation and in reduced moisture conditions highlight its importance in soil environments
Published in
FEMS Microbiology Letters, September 2017
DOI 10.1093/femsle/fnx198
Pubmed ID
Authors

Yinka Somorin, Guillaume Bouchard, Joseph Gallagher, Florence Abram, Fiona Brennan, Conor O’Byrne

Abstract

The soil is a complex ecosystem where interactions between biotic and abiotic factors determine the survival and fate of microbial inhabitants of the system. Having previously shown that Escherichia coli requires the general stress response regulator, RpoS, to survive long term in soil, it was important to determine what specific conditions in this environment necessitate a functional RpoS. This study investigated the susceptibility of soil-persistent E. coli to predation by the single-celled eukaryotes Acanthamoeba polyphaga and Tetrahymena pyriformis, and the role RpoS plays in resisting this predation. Strain-specific differences were observed in the predation of E. coli strains, with soil-persistent strain COB583 being the most resistant to predation by both protozoans. RpoS and curli, proteinaceous fibres used for attachment to biotic and abiotic surfaces, increased the ability of E. coli to resist predation by A. polyphaga and T. pyriformis. Furthermore, soil moisture content impacted the survival of E. coli BW25113 but wild-type COB583 had similar survival irrespective of soil moisture content. Overall, this study confirmed that RpoS contributes to the resistance of E. coli to protozoan predation and that RpoS is crucial for the increased fitness of soil-persistent E. coli against predation and reduced moisture in soil.

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X Demographics

The data shown below were collected from the profiles of 6 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 19 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 16%
Researcher 3 16%
Student > Ph. D. Student 3 16%
Other 1 5%
Lecturer 1 5%
Other 2 11%
Unknown 6 32%
Readers by discipline Count As %
Environmental Science 3 16%
Agricultural and Biological Sciences 3 16%
Immunology and Microbiology 2 11%
Biochemistry, Genetics and Molecular Biology 2 11%
Chemical Engineering 1 5%
Other 2 11%
Unknown 6 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 6. 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 30 October 2017.
All research outputs
#6,375,394
of 25,382,440 outputs
Outputs from FEMS Microbiology Letters
#1,411
of 5,774 outputs
Outputs of similar age
#91,428
of 323,373 outputs
Outputs of similar age from FEMS Microbiology Letters
#13
of 53 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one has received more attention than most of these and is in the 74th percentile.
So far Altmetric has tracked 5,774 research outputs from this source. They receive a mean Attention Score of 4.5. This one has done well, scoring higher than 75% of its peers.
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 323,373 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 71% of its contemporaries.
We're also able to compare this research output to 53 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 75% of its contemporaries.