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Antibacterial properties of novel pyrimidine compounds.

08:00 EDT 10th June 2019 | BioPortfolio

Summary of "Antibacterial properties of novel pyrimidine compounds."

A new series of pyrimidine (8, 14, 18 and 23) embellished analogues of 1,5-benzodiazepines were synthesized by the one-pot domino approach using the catalyst DABCO (1,4-diazabicyclo[2.2.2]octane). For each compound synthesized, anti-microbial efficacy was determined using broth microdilution assay and half maximal inhibitory concentration (IC). Furthermore, FESEM (Field emission scanning electron microscope) studies were also carried out to observe the effect of the structure of test compounds on the morphology of both Gram-positive (S. aureus) and Gram-negative (E. coli) cell walls. The leakage of nucleotides and their integral components from compromised bacterial cells was assessed by plotting the optical density (OD) with respect to time of exposure at 320 nm. Anti-bacterial studies revealed that compound 23 was most active against targeted bacterial species. Results of the antibacterial study indicated that all the test compounds possess significant antibacterial potential against targeted bacterial strains. Amongst all, in the FE-SEM study, compound 23 caused marked alteration in bacterial cell morphology and resulted in maximum leakage of cell nucleotides in bacterial strains as compared to controls. Further efforts are required to establish their efficacy as antibacterial agents in clinical management.

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Journal Details

This article was published in the following journal.

Name: Journal of microbiological methods
ISSN: 1872-8359
Pages: 105648

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Medical and Biotech [MESH] Definitions

Compounds based on pyrazino[2,3-d]pyrimidine which is a pyrimidine fused to a pyrazine, containing four NITROGEN atoms.

Pentosyltransferases that catalyze the reaction between a pyrimidine nucleoside and orthophosphate to form a free pyrimidine and ribose-5-phosphate.

Dimers found in DNA chains damaged by ULTRAVIOLET RAYS. They consist of two adjacent PYRIMIDINE NUCLEOTIDES, usually THYMINE nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers block DNA REPLICATION.

A pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. The interference with folic acid metabolism may cause a depression of hematopoiesis. It is potentiated by SULFONAMIDES and the TRIMETHOPRIM-SULFAMETHOXAZOLE COMBINATION is the form most often used. It is sometimes used alone as an antimalarial. TRIMETHOPRIM RESISTANCE has been reported.

Pyrimidines with a RIBOSE attached that can be phosphorylated to PYRIMIDINE NUCLEOTIDES.

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