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Alizarin and Chrysazin Inhibit Biofilm and Hyphal Formation by Candida albicans

Overview of attention for article published in Frontiers in Cellular and Infection Microbiology, October 2017
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Title
Alizarin and Chrysazin Inhibit Biofilm and Hyphal Formation by Candida albicans
Published in
Frontiers in Cellular and Infection Microbiology, October 2017
DOI 10.3389/fcimb.2017.00447
Pubmed ID
Authors

Ranjith Kumar Manoharan, Jin-Hyung Lee, Yong-Guy Kim, Jintae Lee

Abstract

Candida albicans is one of the most common pathogen causes fungal infections. This opportunistic pathogen can form biofilms comprised of yeast, hyphae and pseudo hyphal elements, and the hyphal form C. albicans considered as probable virulence factor. We investigated the antibiofilm activities of 13 quinones and anthraquinones related compounds against C. albicans biofilms by using crystal violet and 2,3-bis (2-Methoxy-4-Nitro-5-Sulfo-phenyl)-2H-Tetrazolium-5-Carboxanilide (XTT) reduction assays to assess inhibitions of biofilm growth. Morphological changes in biofilms and biofilm thicknesses were determined by scanning electron microscopy and confocal laser scanning microscopy, respectively. It was found alizarin (1,2-dihydroxyanthraquinone) and chrysazin (1,8-dihydroxyanthraquinone) suppressed C. albicans biofilm formation. Interestingly, alizarin and chrysazin at only 2 μg/ml effectively inhibited hyphal formation and prolonged the survival of C. albicans infected Caenorhabditis elegans, thus showing a distinct antivirulent potential. A structural activity relationship study of alizarin and 6 other anthraquinones showed the presence of a hydroxyl group at C-1 position which is important for antibiofilm and antifilamentation activities. Transcriptomic analyses revealed that alizarin downregulated the expression of several hypha-specific and biofilm related genes (ALS3, ECE1, ECE2, and RBT1). Furthermore, unlike the commercial antifungal drug fluconazole, no acute toxic effect was observed when uninfected nematodes were exposed to alizarin at concentrations up to 1 mg/ml. The results of this study indicate alizarin suppresses the virulence of C. albicans in vivo which suggests alizarin may be considered as a potential candidate for further investigations to develop antifungal agent against fungal pathogen in vivo.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 91 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 91 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 15 16%
Student > Bachelor 11 12%
Researcher 8 9%
Student > Master 8 9%
Other 5 5%
Other 12 13%
Unknown 32 35%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 15 16%
Immunology and Microbiology 8 9%
Chemistry 8 9%
Pharmacology, Toxicology and Pharmaceutical Science 7 8%
Agricultural and Biological Sciences 7 8%
Other 11 12%
Unknown 35 38%
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 01 November 2017.
All research outputs
#14,366,228
of 23,005,189 outputs
Outputs from Frontiers in Cellular and Infection Microbiology
#2,813
of 6,498 outputs
Outputs of similar age
#180,789
of 325,925 outputs
Outputs of similar age from Frontiers in Cellular and Infection Microbiology
#57
of 102 outputs
Altmetric has tracked 23,005,189 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,498 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. 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 325,925 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 102 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.