Ania Ahani Azari
Department of Biology, Gorgan Branch, Islamic Azad University, Gorgan, Iran.
[ 1 ] - Prevalence of extended-spectrum ß-lactamase-producing Escherichia coli in agricultural fields of Gorgan district using bovine manure
The aim of this study was to assess the prevalence of ESBL-producing E. coli in agricultural fields of Gorgan district, Golestan province. Soil samples were collected from 20 agricultural fields, half of them treated with chemical fertilizers and the rest with bovine manure. Two samples, from surface and a depth of 15cm, were taken. After enrichment and culture onto MacConkey agar, Pink colored...
[ 2 ] - Construction of a recombinant vector for site-directed mutagenesis in Salmonella typhimurium
BACKGROUND: Among all common techniques in sitedirectedmutagenesis, λ Red recombinase system has beenwidely used to knock out chromosomal genes in bacteria. In thismethod, there is always the risk of DNA Linear digestion byhost's restriction enzymes that leads to the low frequency ofrecombination. OBJECTIVES:To overcome this, we constructeda recombinant vector to disrupt phoP gene in Salmonella...
[ 3 ] - بررسی جذب زیستی سرب توسط باکتری های مقاوم به سرب جداشده از پساب کارخانجات شهرک صنعتی آق قلا
سابقه و هدف: سرب یک فلز سنگین و یک آلاینده پایدار در طبیعت است که از طریق پساب های صنعتی به محیط وارد می شود. این مطالعه با هدف جداسازی باکتری های مقاوم به سرب از پساب های صنعتی و بررسی جذب زیستی سرب انجام شد. مواد و روش ها: این مطالعه توصیفی بر روی سه نمونه پساب انجام گرفت. برای جداسازی باکتری های مقاوم به سرب از نوترینت آگار حاوی غلظت ...
[ 4 ] - In vitro Susceptibility Study of Salmonella typhimurium Mutant to Stress Factors
ABSTRACT Background and Objective: In this study, we compared the susceptibility of Salmonella typhimurium phoP mutant and its parent to stress conditions that the pathogen may encounter in a host. Methods: For this purpose, we used the phoP deletion mutant constructed in our previous study. In order t...
[ 5 ] - بررسی جذب زیستی سرب توسط باکتری های مقاوم به سرب جداشده از پساب کارخانجات شهرک صنعتی آق قلا
سابقه و هدف: سرب یک فلز سنگین و یک آلاینده پایدار در طبیعت است که از طریق پساب های صنعتی به محیط وارد می شود. این مطالعه با هدف جداسازی باکتری های مقاوم به سرب از پساب های صنعتی و بررسی جذب زیستی سرب انجام شد. مواد و روش ها: این مطالعه توصیفی بر روی سه نمونه پساب انجام گرفت. برای جداسازی باکتری های مقاوم به سرب از نوترینت آگار حاوی غلظت ...
[ 6 ] - Surveying Contamination Rate of Local Lactic cheese with Escherichia coli, Staphylococcus aureus and Listeria monocytogenes in Gorgan in 2017
Background & Aim: Lactic cheese is traditionally produced from raw milk in some provinces of Iran. Therefore, presence of pathogenic bacteria in these cheeses can be dangerous to human health. The aim of this study was to evaluate the contamination rate of local lactic cheeses produced in Gorgan with Escherichia coli, Staphylococcus aureus and Listeria monocytogenes. Methods: Cheese samples we...
[ 7 ] - Frequency and Antibiotic Resistance pattern of Uropathogenic Bacteria Isolated from Urine Samples in Kalaleh, North-East Iran
Background & Aim: Urinary tract infection (UTI) is one of the most common bacterial infections that are usually treated empirically. Since antibiotic resistance may vary from region to region, the aim of this study was to determine the prevalence and antibiotic resistance of uropathogenic bacteria isolated from urine samples received by the local hospital in Kalaleh (Hazrat Rasool hospital), no...
[ 8 ] - Prevalence and Antibiotic Resistance Pattern of Extended Spectrum β-Lactamase- (ESBL-) Producing Gram Negative Bacilli isolated from Clinical Samples of hospitalized Patients in a hospital in Gorgan
Background & Aim: Antibiotic resistance among gram-negative bacilli is currently one of the major challenges for the health system in developing countries. The aim of this study was to determine the frequency and antibiotic resistance pattern of common ESBL-producing gram negative bacilli isolated from clinical specimens of hospitalized patients in Falsafi Hospital in Gorgan. Methods: In this ...
[ 9 ] - Broad-Spectrum Beta-Lactamases and Drug-Resistance Phenotypes of Enterobacteriaceae Isolated from Clinical Specimens in Gonbad-e Kavus, Golestan Province, Iran
Introduction: This study aimed to determine the frequency of extended-spectrum beta-lactamases (ESBL) and different drug resistance phenotypes in Enterobacteriaceae isolated from clinical specimens in Gonbad-e Kavus, Golestan Province. Methods: 220 clinical samples of urine, blood, pus, sputum, CSF, body fluids, and ear and eye discharge were collected during six months from April to September ...