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Jundishapur Journal of Microbiology

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https://www.readbyqxmd.com/read/28138380/treatment-options-of-streptococcal-pharyngitis-in-infancy
#1
Davood Kheirkhah, Alireza Sharif
No abstract text is available yet for this article.
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138379/non-invasive-methods-to-diagnose-fungal-infections-in-pediatric-patients-with-hematologic-disorders
#2
Parisa Badiee, Zahra Hashemizadeh, Mani Ramzi, Mohammad Karimi, Rasoul Mohammadi
BACKGROUND: Invasive fungal infection (IFIs) is a major infectious complication in immunocompromised patients. Early diagnosis and initiation of antifungal therapy is important to achieve the best outcome. OBJECTIVES: The current study aimed to investigate the incidence of IFIs and evaluate the diagnostic performance of non-invasive laboratory tests: serologic (β-D-glucan, galactomannan) and molecular (nested polymerase chain reaction) tests to diagnose fungal infections in hematologic pediatric patients...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138378/the-frequency-antifungal-susceptibility-and-enzymatic-profiles-of-candida-species-isolated-from-neutropenic-patients
#3
Maral Gharaghani, Ali Rezaei-Matehkolaei, Ali Zarei Mahmoudabadi, Bijan Keikhaei
BACKGROUND: Neutropenia, as a predisposing factor for invasive candidiasis, is defined as a reduction in neutrophil count to less than 1500/mm(3). It is a common condition in patients with hematological malignancy and cytostatic chemotherapy. Extensive chemotherapy and prophylaxis with antifungals have increased the resistance of Candida isolates to antifungal drugs. Although, Candida albicans is the most common causative agent among neutropenic patients, there is an increasing rate of non-albicans species...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138377/an-in-vitro-evaluation-of-ozonized-organic-extra-virgin-olive-oil-on-giardia-lamblia-cysts
#4
Najmeh Sadat Boland-Nazar, Zahra Eslamirad, Hossein Sarmadian, Reza Ghasemikhah
BACKGROUND: Giardia lamblia is a common intestinal parasite that has been reported all over the world. OBJECTIVES: This study was conducted to evaluate the effect of ozonized organic extra-virgin olive oil on the cyst of G. lamblia. METHODS: The olive oil was ozonized based on international standards and confirmed by the world health organization (WHO) at various times in a generator. The ozone concentration of olive oil was adjusted at 32, 64, 96, 128, 160 mg/g based on ozone absorption...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138376/survey-of-ctx-m-gene-frequency-in-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-isolates-using-the-combination-disk-and-pcr-methods-in-ahvaz-iran
#5
Mojtaba Moosavian, Nazanin Ahmadkhosravy
BACKGROUND: A common mechanism of resistance to beta-lactam antibiotics is the production of beta-lactamase by Gram-negative bacteria. Recently, nonderivative extended-spectrum beta-lactamases (ESBLs) from the TEM and SHV enzymes, such as CTX-M, that were related to different geographical regions have been recognized. OBJECTIVES: The aim of this study was to determine the frequency of the CTX-M gene in ESBL-producing Enterobacteriaceae isolates in hospitalized patients in the teaching hospitals of Ahvaz, Iran...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138375/designing-construction-and-expression-of-a-recombinant-fusion-protein-comprising-the-hepatitis-e-virus-orf2-and-rotavirus-nsp4-in-the-baculovirus-expression-system
#6
Manoochehr Makvandi, Ali Teimoori, Niloofar Neisi, Alireza Samarbafzadeh
BACKGROUND: The hepatitis E virus (HEV) accounts for hepatitis E infection with relatively high mortality rate in pregnant women that can lead to fulminant hepatitis. The baculovirus expression system (BES) has the capability to produce high-level recombinant proteins and could be useful for vaccine designing. OBJECTIVES: The aim of this study was designing a recombinant hepatitis E virus ORF2 and Rotavirus NSP4 (ORF2-NSP4) and to evaluating construction these recombinant proteins in the BES...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138374/molecular-and-morphometric-characterization-of-acanthamoeba-spp-from-different-water-sources-of-northwest-iran-as-a-neglected-focus-co-bordered-with-the-country-of-iraq
#7
Aram Khezri, Esmaeel Fallah, Mostafa Mostafazadeh, Adel Spotin, Abbas Shahbazi, Mahmoud Mahami-Oskouei, Taimuor Hazratian
BACKGROUND: Acanthamoeba spp. is a free-living opportunistic protozoan parasites, which can be found in tap, fresh and bottled mineral waters, contact lens solutions, soil etc. OBJECTIVES: The present study is aimed to determine the Acanthamoeba spp. on the basis of their morpho-molecular aspects in different water sources of the West Azerbaijan province, Northwest of Iran. METHODS: In this cross-sectional study, 60 water samples were collected from rivers and tap waters during June to September 2015...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138373/resistance-of-candida-albicans-biofilms-to-drugs-and-the-host-immune-system
#8
REVIEW
Doblin Sandai, Yasser M Tabana, Ahmad El Ouweini, Ishola Oluwaseun Ayodeji
BACKGROUND: Candida albicans is a commensal fungus that resides on mucosal surfaces and in the gastrointestinal and genitourinary tracts in humans. However, it can cause an infection when the immune system of the host is impaired or if a niche becomes available. Many C. albicans infections are due to the organism's ability to form a biofilm on implanted medical devices. A biofilm represents an optimal medium for the growth of C. albicans as it allows cells to be enclosed by a self-produced extracellular matrix (ECM)...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138372/ethnomedicinal-cichorium-intybus-seed-extracts-an-impending-preparation-against-multidrug-resistant-bacterial-pathogens
#9
Hazir Rahman, Usman Ali Khan, Muhammad Qasim, Noor Muhammad, Muhammad Daud Khan, Muhammad Asif, Azizullah Azizullah, Muhammad Adnan, Waheed Murad
BACKGROUND: The present study was undertaken to analyze the phytochemical content and biological activity of Cichorium intybus seeds traditionally used in Charsadda, Pakistan against multidrug resistant (MDR) bacterial pathogens. OBJECTIVES: This study explored the qualitative and quantitative antibacterial potential of C. intybus. Further qualitative analysis of phytochemical content was performed. METHODS: Cichorium intybus seed extracts were prepared in aqueous, chloroform, ethanol, and hexane separately...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138371/detection-of-helicobacter-pylori-in-the-bronchoalveolar-lavage-of-patients-with-lung-cancer-using-real-time-pcr
#10
Mitra Samareh-Fekri, Seyed Mehdi Hashemi Bajgani, Ahmad Shafahi, Mahbobeh Asadi-Zarandi, Hamid Mollaie, Arshia Jamali Paghalhe
BACKGROUND: Lung cancer is one of the most common causes of death worldwide. Although smoking and environmental pollutants are the most important risk factors of lung cancer, the role of infectious causes should also be considered in the pathogenesis and progress of lung cancer. OBJECTIVES: This study examined the relationship between Helicobacter pylori and lung cancer through serology, real-time PCR, and urease tests. METHODS: This descriptive cross-sectional study was conducted on 52 adult patients with lung cancer who were selected after having their history taken and being physically examined by a pulmonologist...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138370/carbapenem-susceptibility-and-multidrug-resistance-in-pseudomonas-aeruginosa-isolates-in-egypt
#11
Hany Hashem, Amro Hanora, Salah Abdalla, Alaa Shawky, Alaa Saad
BACKGROUND: Resistant Pseudomonas aeruginosa is a serious concern for antimicrobial therapy, as the common isolates exhibit variable grades of resistance, involving beta-lactamase enzymes, beside native defense mechanisms. OBJECTIVES: The present study was designed to determine the occurrence of Metallo-β- Lactamases (MBL) and Amp C harboring P. aeruginosa isolates from Suez Canal university hospital in Ismailia, Egypt. METHODS: A total of 147 P...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28138369/distribution-and-drug-susceptibility-of-candida-spp-associated-with-female-genital-tract-infection-chongqing-china
#12
Xiaodong Luo, Xiaojing Dong, Zhi Pen
BACKGROUND: Vulvovaginal candidiasis is defined as vulvovaginitis associated with vaginal carriage of Candida spp. and is a common problem with a high rate of morbidity. OBJECTIVES: To investigate the distribution of Candida spp. and evaluate the corresponding antifungal susceptibility in women with genital tract infection in Chongqing, southwestern China. PATIENTS AND METHODS: Samples (n = 2.129) were obtained from female patients with symptoms of genital tract infection...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942365/isolation-antimicrobial-susceptibility-profile-and-detection-of-sul1-blatem-and-blashv-in-amoxicillin-clavulanate-resistant-bacteria-isolated-from-retail-sausages-in-kampar-malaysia
#13
Lih-Shin Tew, Li-Yen She, Choy-Hoong Chew
BACKGROUND: Due to the overuse of antibiotics in livestock as a growth-promoting agent, the emergence of multi-antibiotic resistant bacteria is becoming a concern. OBJECTIVES: In this study, we aimed to detect the presence and discover the molecular determinants of foodborne bacteria in retail sausages resistant towards the antibacterial agent amoxicillin-clavulanate. METHODS: Two grams of sausages were chopped into small pieces and transferred into sterile Luria-Bertani (LB) enrichment broths overnight before they were plated on MacConkey agar petri dishes...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942364/a-low-prevalence-of-inducible-macrolide-lincosamide-and-streptogramin-b-resistance-phenotype-among-methicillin-susceptible-staphylococcus-aureus-isolated-from-malaysian-patients-and-healthy-individuals
#14
Asma Mesbah Elkammoshi, Hamed Ghasemzadeh-Moghaddam, Syafinaz Amin Nordin, Niazlin Mohd Taib, Suresh Kumar Subbiah, Vasanthakumari Neela, Rukman Awang Hamat
BACKGROUND: Antibiotic resistance among Staphylococcus aureus is of great concern worldwide. This resistance is further complicated by the ability of S. aureus to confer cross-resistance to other antibiotics due to the presence of resistance genes, such as erythromycin resistance methylase (erm) genes, which render the bacterium resistant to macrolide-lincosamide-streptogramin B (MLSB) antibiotics. Resistance to these antibiotics can lead to therapeutic failure, resulting in significant morbidity and mortality in patients with S...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942363/design-of-indigenous-elisa-using-tachyzoites-from-the-rh-strain-of-toxoplasma-gondii-and-comparison-with-commercial-kits-in-ahvaz-southwest-of-iran-2015
#15
Niloofar Mohammadpour, Jasem Saki, Abdollah Rafiei, Ali Khodadadi, Mehdi Tavalla, Bahman Cheraghian
BACKGROUND: Toxoplasma gondii is one of the most common causes of latent infections in humans worldwide. Detecting anti-Toxoplasma antibodies in serum using serological tests is a common method to diagnose toxoplasmosis. OBJECTIVES: In the present study, an indigenous ELISA kit was prepared using tachyzoites from the RH strain of T. gondii, and its sensitivity and specificity were compared with those of commercial kits. METHODS: To produce antigens, 0...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942362/immunization-with-protein-d-from-non-typeable-haemophilus-influenzae-nthi-induced-cytokine-responses-and-bioactive-antibody-production
#16
Atefeh Davoudi Vijeh Motlagh, Seyed Davar Siadat, Saeid Abedian Kenari, Mehdi Mahdavi, Ava Behrouzi, Hossein Asgarian-Omran
BACKGROUND: Outer membrane protein D (PD) is a highly conserved and stable protein in the outer membrane of both encapsulated (typeable) and non-capsulated (non-typeable) strains of Haemophilus influenzae. As an immunogen, PD is a potential candidate vaccine against non-typeable H. influenzae (NTHi) strains. OBJECTIVES: The aim of this study was to determine the cytokine pattern and the opsonic antibody response in a BALB/c mouse model versus PD from NTHi as a vaccine candidate...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942361/isolation-characterization-and-antibacterial-activity-of-bacteriophages-against-methicillin-resistant-staphylococcus-aureus-in-pakistan
#17
Muhammad Hidayat Rasool, Rukhsana Yousaf, Abu Baker Siddique, Muhammad Saqalein, Mohsin Khurshid
BACKGROUND: In recent years, antibiotic resistance has been indicated as a paramount threat to public health. The use of bacteriophages appears to be a safer alternative for the control of bacterial infections. OBJECTIVES: The present study aims to explore sewage water for the presence of indigenous bacteriophages, and to investigate their antibacterial potential against Methicillin-resistant Staphylococcus aureus (MRSA). METHODS: Bacterial isolates were first collected and identified from pus samples taken from the surgical and burn units using standard microbiological procedures...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942360/antibacterial-activity-of-silver-nanoparticles-and-their-combination-with-zataria-multiflora-essential-oil-and-methanol-extract
#18
Shirin Sheikholeslami, Seyyedeh Elaheh Mousavi, Hamid Reza Ahmadi Ashtiani, Seyed Reza Hosseini Doust, Seyed Mahdi Rezayat
BACKGROUND: Against a variety of antimicrobial resistant pathogens, the scientists attempted substitution of antimicrobial medicine with various nanoparticles and plant-based antibacterial substances. OBJECTIVES: The aim of this study was to assess the antibacterial effects of silver nanoparticles solely and in combination with Zataria multiflora essential oil and methanolic extract on some photogenic bacteria. METHODS: Minimum inhibitory concentrations (MICs) and fractional inhibitory concentrations (FICs) of plant essential oil, methanolic extract, and silver nanoparticles against bacteria were evaluated using the broth microdilution method and check board microtiter assays...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942359/cytolethal-distending-toxin-from-campylobacter-jejuni-requires-the-cytoskeleton-for-toxic-activity
#19
Estela T Méndez-Olvera, Jaime A Bustos-Martínez, Yolanda López-Vidal, Antonio Verdugo-Rodríguez, Daniel Martínez-Gómez
BACKGROUND: Campylobacter jejuni is one of the major causes of infectious diarrhea worldwide. The distending cytolethal toxin (CDT) of Campylobacter spp. interferes with normal cell cycle progression. This toxic effect is considered a result of DNase activity that produces chromosomal DNA damage. To perform this event, the toxin must be endocytosed and translocated to the nucleus. OBJECTIVES: The aim of this study was to evaluate the role of the cytoskeleton in the translocation of CDT to the nucleus...
October 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27942358/ndm-1-and-rmtc-producing-klebsiella-pneumoniae-isolates-in-turkey
#20
Tulin Guven Gokmen, Togrul Nagiyev, Melda Meral, Cansu Onlen, Farzad Heydari, Fatih Koksal
BACKGROUND: The resistance of aminoglycosides in strains that produce beta-lactamase can be developed through the multidrug resistant encoding genes carried by common plasmids. Recently, the association between 16S rRNA methyltransferase resistance and beta-lactamase enzymes carried by the same plasmids has drawn increased attention from researchers, particularly the association in aminoglycoside-resistant strains with a minimum inhibitory concentration (MIC) of ≥ 256 µg/mL. OBJECTIVES: We aimed to investigate the co-existence of 16S rRNA methyltransferase and beta-lactamase genes in multidrug resistant (MDR) Klebsiella pneumoniae strains isolated from clinical samples...
October 2016: Jundishapur Journal of Microbiology
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