Biological sciences
Investigating the effects of Zataria Multiflora essential oil and silver nanoparticles on the expression of abaI and pil genes in Acinetobacter baumannii biofilm formation

Saghar Bakhtiari; Fatemeh Noorbakhsh; Sadaf Mohseni Fard; Raheleh Safaei javan

Volume 7, Issue 4 , March 2024, , Pages 63-80

https://doi.org/10.22034/HBB.2024.04

Abstract
  The aim of this research was to investigate the effect of Zataria multiflora and silver nanoparticles on the biofilm formation ability of A. baumannii and the expression of genes involved in this process. Thirty isolates of A. baumannii bacteria were collected and studied from the Milad Hospital of Tehran. ...  Read More

Antibiotic resistance pattern and frequency of SHV, CTX, TEM, and OXA resistance gene among salmonella serotypes

Maryam Naderi Mezajin; Mahdi Fatemizadeh; Zahra Rostami; Pejvak Khaki; Masoomeh Shirzad; Fatemeh Noorbakhsh

Volume 6, Issue 2 , September 2022, , Pages 64-77

https://doi.org/10.22034/HBB.2022.17

Abstract
  The aim of this study was to investigate the antibiotic resistance and identification of strains producing broad-spectrum beta-lactamases salmonella strains. The 70 different strains of salmonella were studied that gentamicin, ciprofloxacin, ofloxacin, imipenem, and enrofloxacin were susceptible. The ...  Read More