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Escherichia coli Cells Exposed to Lethal Doses of Electron Beam Irradiation Retain Their Ability to Propagate Bacteriophages and Are Metabolically Active

Overview of attention for article published in Frontiers in Microbiology, September 2018
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Title
Escherichia coli Cells Exposed to Lethal Doses of Electron Beam Irradiation Retain Their Ability to Propagate Bacteriophages and Are Metabolically Active
Published in
Frontiers in Microbiology, September 2018
DOI 10.3389/fmicb.2018.02138
Pubmed ID
Authors

Anne-Sophie Charlotte Hieke, Suresh D. Pillai

Abstract

Reports in the literature suggest that bacteria exposed to lethal doses of ionizing radiation, i.e., electron beams, are unable to replicate yet they remain metabolically active. To investigate this phenomenon further, we electron beam irradiated Escherichia coli cells to a lethal dose and measured their membrane integrity, metabolic activity, ATP levels and overall cellular functionality via bacteriophage infection. We also visualized the DNA double-strand breaks in the cells. We used non-irradiated (live) and heat-killed cells as positive and negative controls, respectively. Our results show that the membrane integrity of E. coli cells is maintained and that the cells remain metabolically active up to 9 days post-irradiation when stored at 4°C. The ATP levels in lethally irradiated cells are similar to non-irradiated control cells. We also visualized extensive DNA damage within the cells and confirmed their cellular functionality based on their ability to propagate bacteriophages for up to 9 days post-irradiation. Overall, our findings indicate that lethally irradiated E. coli cells resemble live non-irradiated cells more closely than heat-killed (dead) cells.

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The data shown below were collected from the profiles of 3 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 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 33%
Student > Master 3 13%
Researcher 3 13%
Student > Doctoral Student 2 8%
Student > Bachelor 1 4%
Other 2 8%
Unknown 5 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 6 25%
Biochemistry, Genetics and Molecular Biology 6 25%
Immunology and Microbiology 2 8%
Veterinary Science and Veterinary Medicine 1 4%
Engineering 1 4%
Other 0 0%
Unknown 8 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 26 September 2018.
All research outputs
#15,160,034
of 23,316,003 outputs
Outputs from Frontiers in Microbiology
#14,216
of 25,623 outputs
Outputs of similar age
#202,372
of 337,836 outputs
Outputs of similar age from Frontiers in Microbiology
#415
of 694 outputs
Altmetric has tracked 23,316,003 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 25,623 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.4. This one is in the 39th percentile – i.e., 39% 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 337,836 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 694 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.