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Applied microbiology

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Bioactivity of Mupirocin Nanoparticle-Loaded Hydrogel against Methicillin-Resistant Staphylococcus aureus (MRSA)

Published:3 March 2022 DOI: 10.3390/applmicrobiol2010019
Sukanjana Kamlungmak,?Monwadee Wonglapsuwan,?K. Surachat,?Panchalika Deachamag,?T. Srichana

Abstract

This novel study investigated the loading of mupirocin nanoparticles into a hydrogel which was expected to enhance the antibacterial activity of mupirocin. The inhibition of isoleucyl-tRNA synthetase and global gene expression in methicillin-resistant Staphylococcus aureus (MRSA) by the mupirocin nanoparticle-loaded hydrogel (MLH) and by pure mupirocin was compared. MLH and mupirocin rapidly inhibited the growth of bacterial populations after 1 h of treatment. At 12 h, mupirocin and MLH inhibited isoleucyl-tRNA synthetase in MRSA. Transcriptome profiles of MRSA showed that gene expression alterations after treatment with mupirocin were similar to those after treatment with MLH at MICs. These alterations included changes to DNA transcription, translation, and replication pathways, and the fold changes in these genes decreased more rapidly with MLH than with mupirocin only after 1 h of treatment. MLH released the mupirocin from the nanoparticles and hydrogel systems and then the drug permeated the cell wall and bound to bacterial isoleucyl-tRNA synthetase. The research also showed that MLH could be further developed for use in clinics for infected wounds.

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Related products
Procduct Name CAS Molecular Formula Supplier Price
Mupirocin 12650-69-0 C26H44O9 548 suppliers $12.00-$2120.00
Rabbit polyclonal to Isoleucyl tRNA synthetase 5 suppliers Inquiry
MUPIROCIN 80558-54-9 C26H44O9 2 suppliers Inquiry
Methicillin-Resistant Staphylococcus aureus 1 suppliers Inquiry
MLH1(MLH) Antibody - Inquiry

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