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New Insights about Antibiotic Production by Pseudomonas aeruginosa: A Gene Expression Analysis

Overview of attention for article published in Frontiers in Chemistry, September 2017
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Title
New Insights about Antibiotic Production by Pseudomonas aeruginosa: A Gene Expression Analysis
Published in
Frontiers in Chemistry, September 2017
DOI 10.3389/fchem.2017.00066
Pubmed ID
Authors

Bárbara Gionco, Eliandro R. Tavares, Admilton G. de Oliveira, Sueli F. Yamada-Ogatta, Anderson O. do Carmo, Ulisses de Pádua Pereira, Roberta T. Chideroli, Ane S. Simionato, Miguel O. P. Navarro, Andreas L. Chryssafidis, Galdino Andrade

Abstract

The bacterial resistance for antibiotics is one of the most important problems in public health and only a small number of new products are in development. Antagonistic microorganisms from soil are a promising source of new candidate molecules. Products of secondary metabolism confer adaptive advantages for their producer, in the competition for nutrients in the microbial community. The biosynthesis process of compounds with antibiotic activity is the key to optimize their production and the transcriptomic study of microorganisms is of great benefit for the discovery of these metabolic pathways. Pseudomonas aeruginosa LV strain growing in the presence of copper chloride produces a bioactive organometallic compound, which has a potent antimicrobial activity against various microorganisms. The objective of this study was to verify overexpressed genes and evaluate their relation to the organometallic biosynthesis in this microorganism. P. aeruginosa LV strain was cultured in presence and absence of copper chloride. Two methods were used for transcriptomic analysis, genome reference-guided assembly and de novo assembly. The genome referenced analysis identified nine upregulated genes when bacteria were exposed to copper chloride, while the De Novo Assembly identified 12 upregulated genes. Nineteen genes can be related to an increased microbial metabolism for the extrusion process of exceeding intracellular copper. Two important genes are related to the biosynthesis of phenazine and tetrapyrroles compounds, which can be involved in the bioremediation of intracellular copper and we suggesting that may involve in the biosynthesis of the organometallic compound. Additional studies are being carried out to further prove the function of the described genes and relate them to the biosynthetic pathway of the organometallic compound.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 66 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 66 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 17%
Student > Doctoral Student 10 15%
Student > Bachelor 9 14%
Student > Master 7 11%
Lecturer > Senior Lecturer 3 5%
Other 13 20%
Unknown 13 20%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 24%
Immunology and Microbiology 11 17%
Biochemistry, Genetics and Molecular Biology 9 14%
Medicine and Dentistry 4 6%
Veterinary Science and Veterinary Medicine 2 3%
Other 9 14%
Unknown 15 23%
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 03 October 2017.
All research outputs
#18,572,036
of 23,002,898 outputs
Outputs from Frontiers in Chemistry
#2,229
of 6,008 outputs
Outputs of similar age
#242,684
of 316,186 outputs
Outputs of similar age from Frontiers in Chemistry
#14
of 27 outputs
Altmetric has tracked 23,002,898 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,008 research outputs from this source. They receive a mean Attention Score of 2.0. This one has gotten more attention than average, scoring higher than 51% 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 316,186 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 27 others from the same source and published within six weeks on either side of this one. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.