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Anti-Biofilm and Antivirulence Activities of Metabolites from Plectosphaerella cucumerina against Pseudomonas aeruginosa

Overview of attention for article published in Frontiers in Microbiology, May 2017
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Title
Anti-Biofilm and Antivirulence Activities of Metabolites from Plectosphaerella cucumerina against Pseudomonas aeruginosa
Published in
Frontiers in Microbiology, May 2017
DOI 10.3389/fmicb.2017.00769
Pubmed ID
Authors

Jinwei Zhou, Shiyuan Bi, Hongjuan Chen, Tongtong Chen, Rui Yang, Minghui Li, Yonghong Fu, Ai-Qun Jia

Abstract

This study reported the efficacy of the metabolites of Plectosphaerella cucumerina, one phyllosphere fungus from Orychophragmus violaceus, against Pseudomonas aeruginosa quorum sensing (QS) and QS-regulated biofilms. The minimum inhibitory concentration (MIC) of the ethyl acetate (EtOAc) extract from P. cucumerina against P. aeruginosa PAO1 was 1.25 mg mL(-1). At sub-MIC concentrations, P. cucumerina extract (0.25-1 mg mL(-1)) not only inhibited biofilm formation but also disrupted preformed biofilms of P. aeruginosa PAO1 without affecting its growth. Fluorescence and scanning electron microscope (SEM) showed architectural disruption of the biofilms when treated with P. cucumerina metabolites. Further investigation demonstrated that metabolites in P. cucumerina attenuated the QS-dependent virulence factors. LC-MS/MS spectra coupled with experimentally standard samples suggested that patulin and emodin might act as the principal components possessing anti-biofilm and antivirulence activities. This is the first report of (1) the isolation of P. cucumerina from the phyllosphere of O. violaceus and (2) anti-biofilm, antivirulence, and biofilm disruption activities of this fungus. Thus, this study provides fascinating new pathways for screening antipathogenic agents.

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X Demographics

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 75 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Indonesia 1 1%
Chile 1 1%
Unknown 73 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 20 27%
Student > Master 7 9%
Student > Bachelor 6 8%
Student > Postgraduate 5 7%
Researcher 4 5%
Other 11 15%
Unknown 22 29%
Readers by discipline Count As %
Agricultural and Biological Sciences 14 19%
Immunology and Microbiology 11 15%
Biochemistry, Genetics and Molecular Biology 9 12%
Medicine and Dentistry 3 4%
Pharmacology, Toxicology and Pharmaceutical Science 2 3%
Other 7 9%
Unknown 29 39%
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 19 May 2017.
All research outputs
#14,063,822
of 22,973,051 outputs
Outputs from Frontiers in Microbiology
#11,501
of 25,033 outputs
Outputs of similar age
#167,434
of 310,926 outputs
Outputs of similar age from Frontiers in Microbiology
#293
of 527 outputs
Altmetric has tracked 22,973,051 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 25,033 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one has gotten more attention than average, scoring higher than 50% 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 310,926 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 527 others from the same source and published within six weeks on either side of this one. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.