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The role of the two-component systems Cpx and Arc in protein alterations upon gentamicin treatment in Escherichia coli

Overview of attention for article published in BMC Microbiology, September 2017
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Title
The role of the two-component systems Cpx and Arc in protein alterations upon gentamicin treatment in Escherichia coli
Published in
BMC Microbiology, September 2017
DOI 10.1186/s12866-017-1100-9
Pubmed ID
Authors

Emina Ćudić, Kristin Surmann, Gianna Panasia, Elke Hammer, Sabine Hunke

Abstract

The aminoglycoside antibiotic gentamicin was supposed to induce a crosstalk between the Cpx- and the Arc-two-component systems (TCS). Here, we investigated the physical interaction of the respective TCS components and compared the results with their respective gene expression and protein abundance. The findings were interpreted in relation to the global proteome profile upon gentamicin treatment. We observed specific interaction between CpxA and ArcA upon treatment with the aminoglycoside gentamicin using Membrane-Strep-tagged protein interaction experiments (mSPINE). This interaction was neither accompanied by detectable phosphorylation of ArcA nor by activation of the Arc system via CpxA. Furthermore, no changes in absolute amounts of the Cpx- and Arc-TCS could be determined with the sensitive single reaction monitoring (SRM) in presence of gentamicin. Nevertheless, upon applying shotgun mass spectrometry analysis after treatment with gentamicin, we observed a reduction of ArcA ~ P-dependent protein synthesis and a significant Cpx-dependent alteration in the global proteome profile of E. coli. This study points to the importance of the Cpx-TCS within the complex regulatory network in the E. coli response to aminoglycoside-caused stress.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 48 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 48 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 8 17%
Student > Ph. D. Student 8 17%
Student > Master 8 17%
Researcher 5 10%
Other 3 6%
Other 7 15%
Unknown 9 19%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 17 35%
Agricultural and Biological Sciences 7 15%
Immunology and Microbiology 5 10%
Unspecified 3 6%
Chemistry 2 4%
Other 4 8%
Unknown 10 21%
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 28 March 2018.
All research outputs
#17,915,942
of 23,002,898 outputs
Outputs from BMC Microbiology
#2,020
of 3,208 outputs
Outputs of similar age
#228,234
of 318,311 outputs
Outputs of similar age from BMC Microbiology
#18
of 39 outputs
Altmetric has tracked 23,002,898 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 3,208 research outputs from this source. They receive a mean Attention Score of 4.1. This one is in the 29th percentile – i.e., 29% 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 318,311 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 39 others from the same source and published within six weeks on either side of this one. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.