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In vitro antibacterial activities of p-toluenesulfonyl-hydrazinothiazoles and hydrazinoselenazoles against multi-drug resistant Gram-negative phenotypes

Overview of attention for article published in BMC Pharmacology and Toxicology, January 2016
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Title
In vitro antibacterial activities of p-toluenesulfonyl-hydrazinothiazoles and hydrazinoselenazoles against multi-drug resistant Gram-negative phenotypes
Published in
BMC Pharmacology and Toxicology, January 2016
DOI 10.1186/s40360-016-0046-0
Pubmed ID
Authors

Armelle T. Mbaveng, Adriana Grozav Ignat, Bathélémy Ngameni, Valentin Zaharia, Bonaventure T. Ngadjui, Victor Kuete

Abstract

Bacterial multidrug resistance (MDR) constitutes a major hurdle in the treatment of infectious diseases worldwide. The present study was designed to evaluate the antibacterial activities of synthetic p-toluenesulfonyl-hydrazinothiazoles against multidrug resistant Gram-negative bacteria. The broth microdilution method was used to determine the minimal inhibitory concentrations (MIC). The results demonstrated that the best activities were obtained with hydrazinoselenazoles. p-Chloro-benzyliden-selenosemicarbazide, 4-methyl-2-[(4-chloro-benzyliden)-hydrazinyl]-1,3-selenazole, p-chloro-benzoyl-selenosemicarbazide and 4-chloromethyl-2-[(4-chlorobenziliden)-N-acetyl-hydrazinyl]-1,3-selenazole were more active than the choramphenicol on Klebsiella pneumoniae KP63. Tested alone, the lowest MIC value of 16 mg/L was obtained with p-methoxy-benzyliden-selenosemicarbazide against Enterobacter aerogenes ATCC13048, K. pneumoniae ATCC112296 and KP55. Tested in the presence of an efflux pump inhibitor, phenylalanine arginine β-naphthylamide (PAβN), the activity of p-chloro-benzyliden-selenosemicarbazide, 4-methyl-2-[(4-chloro-benzyliden)-hydrazinyl]-1,3-selenazole, p-chloro-benzoyl-selenosemicarbazide and p-methoxy-benzyliden-selenosemicarbazide significantly increased with MIC values below 10 mg/L obtained respectively on 43.8 %, 31.3 %, 62.5 % and 100 % of the 16 tested bacterial strains. The lowest MIC value of 0.5 mg/L in the presence of PAβN was recorded with p-chloro-benzoyl-selenosemicarbazide against Escherichia coli ATCC8739 and KP55 as well as p-methoxy-benzyliden-selenosemicarbazide against E. aerogenes KP55. p-Chloro-benzyliden-selenosemicarbazide and p-chloro-benzoyl-selenosemicarbazide contained the same pharmacophore as p-methoxy-benzyliden-selenosemicarbazide. This study indicates that p-chloro-benzyliden-selenosemicarbazide, p-chloro-benzoyl-selenosemicarbazide and p-methoxy-benzyliden-selenosemicarbazide could be explored more to develop novel antimicrobial drugs to fight MDR bacterial infections.

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The data shown below were collected from the profile of 1 X user 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 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Uruguay 1 3%
Unknown 28 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 21%
Student > Ph. D. Student 4 14%
Professor > Associate Professor 3 10%
Other 3 10%
Student > Doctoral Student 2 7%
Other 3 10%
Unknown 8 28%
Readers by discipline Count As %
Chemistry 8 28%
Pharmacology, Toxicology and Pharmaceutical Science 3 10%
Medicine and Dentistry 3 10%
Agricultural and Biological Sciences 1 3%
Environmental Science 1 3%
Other 2 7%
Unknown 11 38%
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 20 January 2016.
All research outputs
#20,656,820
of 25,374,647 outputs
Outputs from BMC Pharmacology and Toxicology
#346
of 483 outputs
Outputs of similar age
#297,801
of 402,951 outputs
Outputs of similar age from BMC Pharmacology and Toxicology
#8
of 10 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 483 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. This one is in the 16th percentile – i.e., 16% 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 402,951 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 10 others from the same source and published within six weeks on either side of this one. This one has scored higher than 2 of them.