Klebsiella pneumoniae MB45: A New Antibiotic-Resistant Strain Sensitive to Zinc Oxide Quantum Dots
Author Information
Author(s): Kumar Arvind, Chakraborti Soumynanda, Joshi Prachi, Chakrabarti Pinak, Chakraborty Ranadhir
Primary Institution: University of North Bengal
Hypothesis
The study aims to describe a novel trimethoprim resistance gene cassette, dfrA30, in Klebsiella pneumoniae MB45 and test the efficacy of ZnO QDs as a bactericidal agent.
Conclusion
Klebsiella pneumoniae MB45 is resistant to multiple antibiotics and human serum but is sensitive to zinc oxide quantum dots, which can completely inhibit its growth.
Supporting Evidence
- Klebsiella pneumoniae MB45 is resistant to ten antibiotics including trimethoprim and cotrimoxazole.
- The strain was isolated from the river Mahananda in West Bengal, India.
- A novel dfr gene, dfrA30, was identified in the strain, contributing to its antibiotic resistance.
- Growth of MB45 was completely inhibited at a concentration of 500 mg/L of ZnO QDs.
Takeaway
Scientists found a new type of bacteria that can resist many medicines but can be killed by tiny particles made of zinc. This could help fight infections.
Methodology
The study involved isolating the strain from river water, testing its antibiotic resistance, and assessing the effect of ZnO QDs on its growth.
Digital Object Identifier (DOI)
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