Zinc Oxide Nanoparticle Biosynthetic Preparation Effect on One Virulence Resistance Mechanism in Clinical Pseudomonas aeruginosa Isolates
DOI:
https://doi.org/10.69923/d4ka6874Keywords:
Nanoparticles , Gene Expression, Virulence GenesAbstract
The efflux pump is a mechanism for antibiotic resistance. Plant extracts and
nanoparticles (NPs) are as Suita consider as replacements for antibiotics. The
current Aim was to investigate the effect of manufactured ZnO-NPs in a
chemical way as compared to biosynthesized ZnO-NPs using plant leaves
(Crape Myrtle Lagerstroemia) successfully grown in Iraq (locally known as
"Coffee Rose (Al-Afranji)") to alter the current gene folding in MDR P.
aeruginosa isolates. P. aeruginosa was isolated and used to check the presence
or absence of the genes mexA, mexB, oprD, and oprM. Phytochemicals Present
in the extract of leaves of Lagerstroemia indica L were screened using GC
MS, whereas standard techniques were used for the analysis of ZnO-NPs. The
expression of the MexA,MexB,OprD, andOprM genes—following treatment
with zinc oxide nanoparticles—was studied using the RT-PCR technique. All
MDR isolates containedisolated contained the genes for MexA, MexB, OprD
and OprM. The extract of Lagerstroemia indica L. was found to contain active
chemical compounds by gas chromatography mass spectrometry (GC-MS).
The size of ZnO-NPs biosynthesized via a biological method was determined.
to be 19 to 57 nm, whereas the sizes of those prepared via the sol-gel method
ranged from 43 to 76 nm. When tested against multi-drug resistant (MDR)
isolates, the MIC values were 1024, 256, and 512 micrograms/mL for the
chemical preparation of ZnO-NPs, Bioengineered ZnO-NPs, and
Lagerstroemia indica L. extract, respectively.
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