Biosynthesis of Iron Oxide Nanoparticles by Marine Streptomyces sp. SMGL39 with Antibiofilm Activity: In Vitro and In Silico Study

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Attea S.A.; Ghareeb M.A.; Kelany A.K.; Elhakim H.K.A.; Allemailem K.S.; Bukhari S.I.; Rashidi F.B.; Hamed A.A.

Journal: Molecules

Publisher: Multidisciplinary Digital Publishing Institute (MDPI)

Publication Date: 9 October 2024

Volume / Issue: Volume 29 / Issue 19

Article No.: 4784

ISSN: 14203049

DOI: 10.3390/molecules29194784

Scopus: View on Scopus

PubMed: 39407712

Document Type: Article

Access: All Open Access; Gold Open Access; Green Open Access


Authors and Affiliations

Attea S.A., Biochemistry Division, Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt; Ghareeb M.A., Medicinal Chemistry Department, Theodor Bilharz Research Institute Kornaish El Nile, Warrak El-Hadar, Imbaba P.O. Box 30, Giza, 12411, Egypt; Kelany A.K., Department of Genomic Medicine, Cairo University Hospitals, Cairo University, Cairo, 11566, Egypt, MEU Research Unit, Middle East University, Amman, 11831, Jordan; Elhakim H.K.A., Biochemistry Division, Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt; Allemailem K.S., Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, 51452, Saudi Arabia; Bukhari S.I., Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia; Rashidi F.B., Biochemistry Division, Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt; Hamed A.A., Microbial Chemistry Department, National Research Centre, 33 El-Buhouth StreetDokki, Giza, 12622, Egypt


Abstract

One of the major global health threats in the present era is antibiotic resistance. Biosynthesized iron oxide nanoparticles (FeNPs) can combat microbial infections and can be synthesized without harmful chemicals. In the present investigation, 16S rRNA gene sequencing was used to discover Streptomyces sp. SMGL39, an actinomycete isolate utilized to reduce ferrous sulfate heptahydrate (FeSO4.7H2O) to biosynthesize FeNPs, which were then characterized using UV–Vis, XRD, FTIR, and TEM analyses. Furthermore, in our current study, the biosynthesized FeNPs were tested for antimicrobial and antibiofilm characteristics against different Gram-negative, Gram-positive, and fungal strains. Additionally, our work examines the biosynthesized FeNPs’ molecular docking and binding affinity to key enzymes, which contributed to bacterial infection cooperation via quorum sensing (QS) processes. A bright yellow to dark brown color shift indicated the production of FeNPs, which have polydispersed forms with particle sizes ranging from 80 to 180 nm and UV absorbance ranging from 220 to 280 nm. Biosynthesized FeNPs from actinobacteria significantly reduced the microbial growth of Fusarium oxysporum and L. monocytogenes, while they showed weak antimicrobial activity against P. aeruginosa and no activity against E. coli, MRSA, or Aspergillus niger. On the other hand, biosynthesized FeNPs showed strong antibiofilm activity against P. aeruginosa while showing mild and weak activity against B. subtilis and E. coli, respectively. The collaboration of biosynthesized FeNPs and key enzymes for bacterial infection exhibits hydrophobic and/or hydrogen bonding, according to this research. These results show that actinobacteria-biosynthesized FeNPs prevent biofilm development in bacteria. © 2024 by the authors.


Keywords

antibacterial; antibiofilm; docking; FTIR; iron oxide nanoparticles; Streptomyces sp. SMGL39; XRD; Anti-Bacterial Agents; Biofilms; Computer Simulation; Fusarium; Fusarium oxysporum; Magnetic Iron Oxide Nanoparticles; Microbial Sensitivity Tests; Molecular Docking Simulation; Streptomyces; antiinfective agent; magnetic iron oxide nanoparticle; biofilm; biosynthesis; chemistry; drug effect; metabolism; microbial sensitivity test; molecular docking


Citation Information

Scopus Citations: 8


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