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Iranian Journal of Microbiology

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https://www.readbyqxmd.com/read/28149497/professor-caterina-mammina-1957-2016
#1
EDITORIAL
Mohammad Mehdi Feizabadi, Giovanni M Giammanco, Reza Ranjbar
No abstract text is available yet for this article.
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149496/pseudomoniasis-phytotherapy-a-review-on-most-important-iranian-medicinal-plants-effective-on-pseudomonas-aeruginosa
#2
REVIEW
Mahmoud Bahmani, Mahmoud Rafieian-Kopaei, Hassan Hassanzadazar, Morovat Taherikalani
BACKGROUND AND OBJECTIVES: Pseudomonas aeruginosa is a Gram-negative, aerobic bacterium found in water and soil. It is a normal flora in skin and gastrointestinal tract of human beings. P. aeruginosa as an opportunistic pathogen involved in nosocomial infections having multiple pathogenic factors and shows high rate of resistance to different antibiotics. The aim of this study was to identify the most important native medicinal plants of Iran effective on P. aeruginosa. MATERIALS AND METHODS: All required information was obtained by searching keywords such as P...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149495/molecular-typing-methods-used-in-studies-of-mycobacterium-tuberculosis-in-iran-a-systematic-review
#3
REVIEW
Hassan Ravansalar, Keyvan Tadayon, Kiarash Ghazvini
BACKGROUND AND OBJECTIVES: Molecular typing methods are important and useful tools to assess the transmission, diversity of strains and differentiation between new infections and relapses which can effectively help in controlling infections. The aim of this study was to evaluate the molecular typing methods which have been used in Iran. By evaluating the results and discriminatory power of each method, we can assign appropriate weight to each technique and ultimately offer a common strategy for future epidemiological studies...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149494/cloning-expression-and-immunoreactivity-of-recombinant-toxoplasma-gondii-gra5-protein
#4
Zahra Arab-Mazar, Shirzad Fallahi, Ameneh Koochaki, Hadi Mirahmadi, Seyyed Javad Seyyed Tabaei
BACKGROUND AND OBJECTIVES: Toxoplasma gondii is an obligatory intracellular parasite which causes severe diseases in the fetus of pregnant women and immunocopmromised patients. Serological tests based on recombinant protein are one of the main diagnosis methods for the detection of specific antibodies in serum samples. Dense granule antigenic proteins derived from T. gondii (TgGRAs) are potential antigens for the development of diagnostic tools. MATERIALS AND METHODS: DNA was extracted from T...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149493/prevalence-of-colonization-and-mitochondrial-large-subunit-rrna-mutation-of-pneumocystis-jiroveci-among-iranian-children
#5
Parisa Badiee, Ali Rezapour, Amin Abbasian, Hamid Reza Foroutan, Hadis Jafarian
BACKGROUND AND OBJECTIVES: Pneumocystis jiroveci is an important causative agent of Pneumocystis pneumonia. During childhood, exposure to Pneumocystis occurs and antibody was built in early childhood. The aim of this study was to describe the molecular epidemiology of P. jiroveci in children without any respiratory syndrome and survey the distribution of different mitochondrial large subunit, ribosomal ribonucleic acid (mtLSU- rRNA) genotypes. MATERIALS AND METHODS: Mini-bronchoalveolar lavage (mini-BAL) fluids from pediatric patients with no history of lung disorders were obtained during a 14-month period...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149492/distribution-of-hepatitis-c-virus-genotypes-in-arak-city-central-province-of-iran
#6
Masoomeh Sofian, Amitis Ramezani, Hossein Imani, Ali Asghar Farazi, Mohammad Banifazl, Ali Jourabchi, Arezoo Aghakhani
BACKGROUND AND OBJECTIVES: Hepatitis C virus (HCV) infection is a worldwide concern and it is the major cause of liver disease. Several genotypes of the HCV have been reported from different regions of the world. The determination of the HCV genotypes is important for the prediction of response to antiviral treatment and clinical outcomes. So, HCV genotyping in each region is of great importance. This investigation was performed to determine the distribution of HCV genotypes in Arak city, Central province of Iran...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149491/evidence-of-human-coroanvirus-229e-in-patients-with-respiratory-infection-iran-2015-the-first-report
#7
Ali Madhi, Arash Ghalyanchilangeroudi, Mohammad Soleimani
BACKGROUND AND OBJECTIVES: Human coronaviruses (HCoVs) are one of the main causes of upper respiratory tract infections in humans. While more often responsible for mild illness, they have been associated with illnesses that require hospitalization. MATERIALS AND METHODS: 270 Samples from patients hospitalized with the respiratory infection during the autumn season of 2015 were evaluated for the presence of four HCoVs (OC43, 229E, HUK1, and NL63) using an optimized SYBR green RT-PCR assay...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149490/occurrence-of-chlamydophila-felis-feline-herpesvirus-1-and-calcivirus-in-domestic-cats-of-iran
#8
Nadi Maazi, Shahram Jamshidi, Payman Kayhani, Hassan Momtaz
BACKGROUND AND OBJECTIVES: Feline herpesvirus-1, feline calicivirus and Chlamydophila felis are the main causes of feline upper respiratory tract disease. This study was conducted to identify of FeHV-1, FCV and C. felis infections in domestic cat population and also to estimate the prevalence of each specific infection in Iran. MATERIALS AND METHODS: The ocular conjunctiva and oropharyngeal specimens obtained from 80 cats were examined using PCR and reverse transcription PCR...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149489/a-comparison-of-antibiotic-disks-from-different-sources-on-quicolor-and-mueller-hinton-agar-media-in-evaluation-of-antibacterial-susceptibility-testing
#9
Neda Saffari, Siavosh Salmanzadeh-Ahrabi, Ahya Abdi-Ali, Mohsen Rezaei-Hemami
BACKGROUND AND OBJECTIVES: Antibacterial susceptibility testing of clinical bacterial isolates through disk diffusion method plays a major role in antibacterial treatment. One of the main factors affecting the result of these tests is the type, structure and quality of the disks. The main objective of this study was to compare the agreement of antibiotic disks originated from three companies on Quicolor and Mueller-Hinton agar. MATERIALS AND METHODS: Quicolor and Mueller-Hinton agar media were used in disk diffusion method...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149488/multi-locus-sequence-type-analysis-of-shigellas-pp-isolates-from-tehran-iran
#10
Shadi Shahsavan, Maliheh Nobakht, Abdolaziz Rastegar-Lari, Parviz Owlia, Bita Bakhshi
BACKGROUND AND OBJECTIVES: Strains of Shigella spp. can cause shigellosis, or bacillary dysentery. that is a public health problem worldwide. The aim of this study was to describe the population structure and genetic relatedness of multidrug resistant S. sonnei and S. flexneri isolated during a one year period from children with diarrhea in Tehran, Iran. MATERIALS AND METHODS: A total of 70 Shigella spp. were detected during the study period. Twenty MDR isolates of Shigella spp...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149487/clinical-response-and-outcome-of-pneumonia-due-to-multi-drug-resistant-acinetobacter-baumannii-in-critically-ill-patients
#11
Lida Shojaei, Mostafa Mohammadi, Mohammad-Taghi Beigmohammadi, Mahsa Doomanlou, Alireza Abdollahi, Mohammad Mehdi Feizabadi, Hossein Khalili
BACKGROUND AND OBJECTIVES: The frequency of multi-drug resistant Acinetobacter spp. infections is increasing in Iran. Considering availability of limited therapeutic options, clinical response and outcome of ventilator-associated pneumonia due to multi-drug resistant A.baumannii were evaluated in critically ill patients. MATERIALS AND METHODS: In this prospective study, 29 patients with carbapenem resistance A. baumannii ventilator-associated pneumonia were enrolled...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28149486/comparison-of-two-methods-for-detection-of-e-coli-o157h7-in-unpasteurized-milk
#12
Maryam Farahmandfar, Naghmeh Moori-Bakhtiari, Saad Gooraninezhad, Mehdi Zarei
BACKGROUND AND OBJECTIVES: The most common serotype of enterohaemorrhagic Esherichia coli group or Shiga-toxin-producing E. coli is O157:H7. Domestic and wild ruminants are regarded as the main natural reservoirs. O157:H7 serotype is the major cause of gastrointestinal infections in developed countries. In this study was conducted to survey on the toxigenic E. coli O157: H7 strains in milk of industrial dairy farms. MATERIALS AND METHODS: A total number of 150 milk samples were collected from dairy industry in Khuzestan, over a period of 6 months and were evaluated by cultivation in selective media (CT-SMAC) and multiplex PCR...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210467/diversity-and-distribution-of-culturable-lactic-acid-bacterial-species-in-indonesian-sayur-asin
#13
Wibowo Mangunwardoyo, Abinawanto, Andi Salamah, Endang Sukara, Sulistiani, Achmad Dinoto
BACKGROUND AND OBJECTIVES: Lactic acid bacteria (LAB) play important roles in processing of Sayur Asin (spontaneously fermented mustard). Unfortunately, information about LAB in Indonesian Sayur Asin, prepared by traditional manufactures which is important as baseline data for maintenance of food quality and safety, is unclear. The aim of this study was to describe the diversity and distribution of culturable lactic acid bacteria in Sayur Asin of Indonesia. MATERIALS AND METHODS: Four Sayur Asin samples (fermentation liquor and fermented mustard) were collected at harvesting times (3-7 days after fermentation) from two traditional manufactures in Tulung Agung (TA) and Kediri (KDR), East Java provinces, Indonesia...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210466/antimicrobial-effects-of-ferula-gummosa-boiss-gum-against-extended-spectrum-%C3%AE-lactamase-producing-acinetobacter-clinical-isolates
#14
Fatemeh Farid Afshar, Parvaneh Saffarian, Hamideh Mahmoodzadeh Hosseini, Fereshteh Sattarian, Mohsen Amin, Abbas Ali Imani Fooladi
BACKGROUND AND OBJECTIVES: Acinetobacter spp. are important causes of nosocomial infections. They possess various antibiotic resistance mechanisms including extended spectrum beta lactamases (ESBLs). The aim of this study was to determine antibiotic resistance profile of Acinetobacter clinical isolates especially among ESBL-producing strains and to investigate the antimicrobial effects of oleo-gum-resin extract and essential oil of Ferula gummosa Boiss. MATERIALS AND METHODS: 120 Acinetobacter strains were isolated from various clinical samples of hospitalized patients in Baqiyatallah hospital, Tehran during 2011-2012...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210465/plasma-surface-modification-as-a-new-approach-to-protect-urinary-catheter-against-escherichia-coli-biofilm-formation
#15
Leila Taheran, Gholamreza Zarrini, Sirous Khorram, Mohammad Sadegh Zakerhamidi
BACKGROUND AND OBJECTIVES: Biomaterials are widely used in medical devices such as urinary catheters. One of the main problems associated with long term using of the urinary catheters is biofilm formation on their surfaces. Many techniques have been presented to reduce the biofilm formation. One of the most revolutionary techniques allowing such surface fictionalization is plasma surface modification. MATERIALS AND METHODS: In this study, a glow discharge plasma (GDP) effect on Escherichia coli biofilm formation on the surface of urinary catheter in the pressure of 1...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210464/evaluation-of-efflux-pumps-gene-expression-in-resistant-pseudomonas-aeruginosa-isolates-in-an-iranian-referral-hospital
#16
Babak Pourakbari, Sahar Yaslianifard, Somaye Yaslianifard, Shima Mahmoudi, Sepideh Keshavarz-Valian, Setareh Mamishi
BACKGROUND AND OBJECTIVES: Pseudomonas aeruginosa (PA) is one of the most important causes of nosocomial infections and has an intrinsic resistance to many antibiotics. Among all the resistance-nodulation-division (RND) pumps of P. aeruginosa, MexAB-OprM is the first efflux pump found to target multiple classes of antibiotics. This study was aimed to evaluate the expression level of genes expressing MexAB-OprM in clinical isolates of P. aeruginosa. MATERIALS AND METHODS: In this study, 45 P...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210463/frequency-of-inducible-clindamycin-resistance-among-gram-positive-cocci-in-a-tertiary-hospital-tehran-iran
#17
Hiva Saffar, Afsaneh Rajabiani, Alireza Abdollahi, Shirin Habibi, Zohreh Baseri
BACKGROUND AND OBJECTIVES: Accurate designation of antimicrobial susceptibility pattern of the infecting microorganisms is an important crucial factor in making appropriate therapeutic decisions. Macrolide, lincosamide and streptogramin B antibiotics are in a family, reserved as an alternative approach in treatment of resistant Gram positive cocci. Amongst them, clindamycin has been considered as the preferred agent due to its excellent pharmacokinetic properties. The inducible resistance to clindamycin in Gram positive staphylococci and streptococci cannot be recognized by routine broth or agar based susceptibility tests and D-zone testing is necessary...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210462/accuracy-of-a-new-rapid-antigen-detection-test-for-pulmonary-tuberculosis
#18
Rasoul Aliannejad, Ahmadreza Bahrmand, Hamidreza Abtahi, Mahnaz Seifi, Enayat Safavi, Farid Abdolrahimi, Shahriyar Shahriaran
BACKGROUND AND OBJECTIVES: Tuberculosis (TB) is a major problem in the world. Treatment and control of TB needs detection of the Mycobacterium tuberculosis (MT) in the proper samples. While smear doesn't have enough sensitivity, culture and PCR are expensive, time consuming and unavailable in many centers. Recent development of a rapid TB antigen detection test (PrTBK) at Pasteur Institute of Iran could give a simple way for diagnosis of TB in about two hours. In this test the antigen-antibody complex will change color when gold conjugated mouse anti-rabbit antibody detects specific MT cell wall antigen in suspected samples...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210461/the-epidemiology-and-antimicrobial-resistance-of-cholera-cases-in-iran-during-2013
#19
Hossein Masoumi-Asl, Mohammad Mehdi Gouya, Mohammad Rahbar, Roghieh Sabourian
BACKGROUND AND OBJECTIVES: Cholera is an endemic diarrheal disease in Iran, caused by Vibrio Cholerae. The epidemiology, transmission route, environmental determinants and antimicrobial resistant pattern of cholera have been changed during recent years. In this study the epidemiology and antimicrobial resistance of cholera in Iran during 2013 outbreak was investigated. MATERIALS AND METHODS: A retrospective, cross-sectional study was carried out using cholera national surveillance system collected data in 2013...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28210460/cloning-and-expression-of-clostridium-perfringens-type-d-vaccine-strain-epsilon-toxin-gene-in-e-coli-as-a-recombinant-vaccine-candidate
#20
Parastoo Aziminia, Reza Pilehchian-Langroudi, Kasra Esmaeilnia
BACKGROUND AND OBJECTIVES: Clostridium perfringens, a Gram-positive obligate anaerobic bacterium, is able to form resistant spores which are widely distributed in the environment. C. perfringens is subdivided into five types A to E based on its four major alpha, beta, epsilon and iota toxins. The aim of the present study was cloning and expression of C. perfringens type D vaccine strain epsilon toxin gene. MATERIALS AND METHODS: Genomic DNA was extracted and the epsilon toxin gene was amplified using Pfu DNA polymerase...
August 2016: Iranian Journal of Microbiology
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