Abortion in dairy cattle is generally defined as the loss of fetus on days 47-265 of pregnancy and can significantly reduce the income and capital gain of farmers and producers. Therefore, sufficient economical support and preventive measurements are essential for this issue. In this study, genetic materials were extracted from the abomasum rennet, as well as homogenous preparations of brain, k...

The aim of this study was to determine the frequency of enterotoxigenic and enteroaggregative strains ofEscherichia coli in chicken carcasses by polymerase chain reaction (PCR). In this study 63 strains of E. coliwere isolated from 110 samples of chicken carcasses during processing after chilling in the poultry slaughterhouse of Shahrekord. Polymerase chain reaction assays were used to detect t...

To determine whether polymerase chain reaction (PCR) testing in the initial diagnosis of pulmonary tuberculosis (TB) is cost-effective in a low-prevalence population, an economic evaluation was carried out between the smear and culture (NOPCR) and smear, culture and PCR (+PCR) strategies. A decision tree model based on retrospective laboratory data was developed to assess the strategies of test...

Repetitive element-polymerase chain reaction (REP-PCR) DNA fingerprinting and library-based microbial source tracking (MST) methods were utilized to investigate the potential sources of Escherichia coli pollution in recreational waters of southeastern Lake Huron. In addition to traditional sources such as humans, agriculture, and wildlife, environmentally persistent E. coli isolates were includ...

Genital Ureaplasma urealyticum infection is considered to be a sexually transmitted infection. The bacterium has been found to be involved in PID, chorioamnionitis, urethritis, respiratory distress syndrome and pneumonia in newborn, abortion and infertility. U. urealyticum infections not only jeopardize fertility but also pose a risk for infertility treatment and resulting pregnancies. The purp...

background: colorectal tumor is one of the main causes of death in our country. the aim of the present study was to determine the clinicopathological aspects of tumor and the presence of hepatic micrometastasis in patients with colorectal cancer (crc). materials and methods: forty two patients with crc were evaluated in the study surgical treatment was performed and liver biopsy was taken for t...

b ackground : one of the main mechanisms of resistance to carbapenems is potential of klebsiella pneumoniae to produce k . pneumoniae carbapenemase (kpc). kpc is an important type of carbapenemase, which can hydrolyze carbapenems and other beta-lactam antibiotics. modified hodge test (mht) and  use  of  boronic  acid  as  a  kpc  inhibitor  are  two  types  of  phenotypic methods, which are use...

conclusions: in neonates and infants with primary diagnosis of sepsis, hsv infection should be considered especially if the clinical condition does not improve after 48 hours of antibiotic therapy, and sepsis still exists with elevated liver enzymes. results: among 150 neonates and infants younger than 3 months old with sepsis, the pcr results for detecting the hsv dna, were positive in 6 sampl...

conclusions findings of this study showed that integron can have a limited frequency in s. aureus isolated from clinical sample in tehran. results among the 200 samples, 1% of the strains (two isolates) contained the class 1 integron gene. the results of this study showed that the highest frequency of the obtained samples belonged to males and the isolates occurred mostly in individuals aged 51...

introduction : haemophilus influenzae is a gram-negative bacterium causing a variety of respiratory infections in developing countries, especially in children. nasopharynx carriers of h. influenzae are the prominent source and transitional vectors of invasive diseases. as very limited information on h. influenzae carriage rate in iran was available, an evaluation on prevalence of this bacterium...