نتایج جستجو برای: c albicans

تعداد نتایج: 1068200  

Journal: Current Medical Mycology 2015

Background and Purpose: Over the past years, the role of fungi as a cause of nosocomial infections in hospitalized patients has been accentuated. Candida species constitute an important group of fungi causing diseases in immunocompromised patients. Oropharyngeal candidiasis continues to be a prevalent infection in immunodeficient patients. In this study, we aimed to determine the incidence of o...

Journal: :Fungal genetics and biology : FG & B 2007
C Stokes G P Moran M J Spiering G T Cole D C Coleman D J Sullivan

Candida albicans and C. dubliniensis are very closely related yeast species. In this study, we have conducted a thorough comparison of the ability of the two species to produce hyphae and their virulence in two infection models. Under all induction conditions tested C. albicans consistently produced hyphae more efficiently than C. dubliniensis. In the oral reconstituted human epithelial model, ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1393

در مطالعه حاضر، اثرات ضدقارچی اجزای مختلف خیاردریایی holothuria leucospilota (دیواره بدن، مجرای گوارشی و بخش تنفسی) مورد بررسی قرار¬گرفته ¬است. به دلیل بیماری¬زا بودن سویه¬های قارچی همچون ,candid albicans candida glabrata, candida parapsilosis و penicillium spp.، از این میکروارگانیسم¬ها جهت سنجش عصاره¬ها، استفاده شده¬است. خیاردریایی از سواحل خلیج¬فارس جمع¬آوری و پس از کالبدشکافی، از بافت¬های مخ...

2014
Humidah Alanazi Abdelhabib Semlali Laura Perraud Witold Chmielewski Andrew Zakrzewski Mahmoud Rouabhia

The predisposition of cigarette smokers for development of respiratory and oral bacterial infections is well documented. Cigarette smoke can also contribute to yeast infection. The aim of this study was to investigate the effect of cigarette smoke condensate (CSC) on C. albicans transition, chitin content, and response to environmental stress and to examine the interaction between CSC-pretreate...

Journal: :jundishapur journal of microbiology 0
abdolhassan kazemi tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran mehraban falahati department of medical parasitology and mycology, tehran university of medical sciences, tehran, ir iran; corresponding author: mehraban falahati, parasitology and mycology department, school of medicine, tehran university of medical sciences, tehran, ir iran . tel.: +98-2188058653, fax: +98-2188058653, e-mail: ashraf hajipoor tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran abbasali jafari department of medical mycology, school of medicine, yazd university of medical sciences, yazd, ir iran mohammad asghar zadeh tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran

results 162 yeast species from 250 specimens were isolated in sabroud dextrose agar (sda) medium. 106 (65.4%) of them were germ tube formation positive, 86 (53%) chlamydoconidium formation positive and 101(62.4%) were pcr positive. yeast cells and mycelia were detected in the isolates on direct microscopic examination. c. albicans accounted for 66.04% of cases and 34% were non-c. albicans speci...

2010
Priya Uppuluri Ashok K. Chaturvedi Anand Srinivasan Mohua Banerjee Anand K. Ramasubramaniam Julia R. Köhler David Kadosh Jose L. Lopez-Ribot

Biofilms are dynamic microbial communities in which transitions between planktonic and sessile modes of growth occur interchangeably in response to different environmental cues. In the last decade, early events associated with C. albicans biofilm formation have received considerable attention. However, very little is known about C. albicans biofilm dispersion or the mechanisms and signals that ...

Journal: :Infection and immunity 1992
L de Repentigny M Phaneuf L G Mathieu

Gastrointestinal colonization and systemic dissemination by Candida albicans and Candida tropicalis were compared in intact and immunocompromised mice. Five-day-old CFW mice were inoculated by the oral-intragastric route with 1.0 x 10(7) CFU of two C. albicans and two C. tropicalis strains isolated from the blood of patients with acute leukemia and with C. albicans 4918 and its cerulenin-resist...

Journal: :Eukaryotic cell 2005
Hélène Tournu Gyanendra Tripathi Gwyneth Bertram Susan Macaskill Abigail Mavor Louise Walker Frank C Odds Neil A R Gow Alistair J P Brown

The pathogen Candida albicans responds to amino acid starvation by activating pseudohyphal development and the expression of amino acid biosynthetic genes (GCN response). In Saccharomyces cerevisiae, the GCN response is dependent on Gcn2, which regulates the translation of the transcription factor Gcn4. Therefore, we examined the role of Gcn2 in C. albicans by using molecular, cellular, and gen...

Journal: :jundishapur journal of microbiology 0
abbas ali jafari medical school, shahid sadoughi university of medical sciences, yazd, ir iran mohammad hossein lotfi-kamran dentistry school, shahid sadoughi university of medical sciences, yazd, ir iran; dentistry school, daha-fajr boulevard, shahid sadoughi university of medical sciences, yazd, ir iran. tel: +98-3518228717, fax: +98-3518367668 abbas falah-tafti dentistry school, shahid sadoughi university of medical sciences, yazd, ir iran saeeb shirzadi dentistry school, shahid sadoughi university of medical sciences, yazd, ir iran

conclusions the results of the current study suggest that long term use of dentures can cause a wide range of candida species colonization, resulting angular cheilitis. there was a need for an oral manifestation management-based strategy focusing on clinical and preventative treatment. angular cheilitis can be prevented by changing and replacing a new denture to modify the face vertical dimensi...

2011
Pei-Wen Tsai Cheng-Yao Yang Hao-Teng Chang Chung-Yu Lan

Candida albicans is the major fungal pathogen of humans. Fungal adhesion to host cells is the first step of mucosal infiltration. Antimicrobial peptides play important roles in the initial mucosal defense against C. albicans infection. LL-37 is the only member of the human cathelicidin family of antimicrobial peptides and is commonly expressed in various tissues and cells, including epithelial ...

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