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Journal de Mycologie Médicale

S Dolatabadi, B Ahmadi, A Rezaei-Matehkolaei, H Zarrinfar, A Skiada, H Mirhendi, R Nashibi, F Niknejad, M Nazeri, A Rafiei, M Gharaghani, M Erami, S Taghipour, F Piri, K Makimura
Mucormycosis is a devastating infection caused by Mucoralean fungi (Mucormycotina, Mucorales). Data concerning the global epidemiology of mucormycosis are scarce and little is known about the characteristics of mucormycosis in Iran. In this study, we aimed to understand the distribution of this infection in Iran retrospectively and to ascertain whether the patterns of infection are associated with specific host factors or not. A total of 208 cases were included in this study occurring during 2008-2014 and were validated according to (EORTC/MSG) criteria...
March 12, 2018: Journal de Mycologie Médicale
N Gholinejad Ghadi, Z Seifi, T Shokohi, S R Aghili, M Nikkhah, L Vahedi Larijani, M Ghasemi, I Haghani
Mucormycosis is a rare but fulminant opportunistic fungal infection, which occurs most often in diabetic and immunocompromised patients. Dental extractions may create a portal of entry for the fungal infection. The mucormycosis may be the original cause of the pain and can be misdiagnosed as dental pain. In this paper, two cases of mucormycosis are reported after dental extractions and successfully treated with amphotericin B (case #1) and combined with posaconazole (case #2). The two cases we describe exemplify the fulminant mucormycosis of maxillary sinuses after dental extraction inpatients with uncontrolled diabetic support the findings that this predisposing condition created a suitable environment for the Mucorales growth...
March 12, 2018: Journal de Mycologie Médicale
T A Defosse, Y Le Govic, V Courdavault, M Clastre, P Vandeputte, D Chabasse, J-P Bouchara, N Giglioli-Guivarc'h, N Papon
Among the subdivision of Saccharomycotina (ascomycetes budding yeasts), the CTG clade (formerly the Candida clade) includes species that display a particular genetic code. In these yeasts, the CTG codon is predominantly translated as a serine instead of a leucine residue. It is now well-known that some CTG clade species have a major impact on human and its activities. Some of them are recognized as opportunistic agents of fungal infections termed candidiasis. In addition, another series of species belonging to the CTG clade draws the attention of some research groups because they exhibit a strong potential in various areas of biotechnology such as biological control, bioremediation, but also in the production of valuable biocompounds (biofuel, vitamins, sweeteners, industrial enzymes)...
March 12, 2018: Journal de Mycologie Médicale
Z Kamali Sarwestani, S J Hashemi, S Rezaie, M Gerami Shoar, S Mahmoudi, M Elahi, M Bahardoost, A Tajdini, S Abutalebian, R Daie Ghazvini
INTRODUCTION: Aspergillus niger is the most commonly reported etiology of otomycosis based on morphological characteristics. This fungus is a member of Aspergillus section Nigri, a set of morphologically indistinguishable species that can harbor various antifungal susceptibility patterns. The aim of this study was to accurately identify and determine the susceptibility pattern of a set of black aspergilli isolated from otomycosis patients. METHODS: Forty-three black Aspergillus isolates from otomycosis patients were identified by using the PCR-sequencing of the β-tubulin gene...
March 11, 2018: Journal de Mycologie Médicale
J Denis, M-P Ledoux, Y Nivoix, R Herbrecht
Triazoles compounds are first-line agents for the treatment of invasive fungal diseases. Isavuconazole is the most recent triazole compound, approved in 2015 by the FDA and the EMA to treat invasive aspergillosis and mucormycosis. We reviewed here the in vitro activity of isavuconazole against a vast spectrum of species. Isavuconazole MICs were evaluated using CLSI, EUCAST or Etest methods, with no significant differences between the technics. Low MIC50 and MIC90 (<1μg/mL) were described for isavuconazole against the majority of Candida spp...
March 10, 2018: Journal de Mycologie Médicale
P Kooshki, A Rezaei-Matehkolaei, A Z Mahmoudabadi
OBJECTIVE: Usually, 7-20% of preterm neonates colonized by Candida species present invasive candidiasis. Candida albicans, and several non-albicans species cause invasive infection with C. albicans being the most dominant agent. In the last two decades, infection due to non-albicans have been increased dramatically due to their low sensitivity to antifungal drugs such as fluconazole. The aim of present study was to evaluate Candida colonization pattern and antifungal susceptibility among preterm neonates from Khorramabad, South west of Iran...
March 9, 2018: Journal de Mycologie Médicale
A R Khosravi, H Shokri, S Hassan Al-Heidary, F Ghafarifar
OBJECTIVE: The aims of this study were to determine the role of live and heat-killed Aspergillus fumigatus conidia in releasing interleukin (IL)-25, IL-33 and thymic stromal lymphopoietin (TSLP) and to express Toll-like receptor (Tlr)2 and Tlr4 genes. MATERIALS AND METHODS: Murine lung epithelial cells were incubated with live and heat-killed A. fumigatus conidia at 37°C for 6, 24 and 48h. After treatments, ELISA was performed to measure the concentrations of IL-25, IL-33 and TSLP in the supernatants...
March 7, 2018: Journal de Mycologie Médicale
P Dallé Rosa, M Ramirez-Castrillon, P Valente, A Meneghello Fuentefria, A D Van Diepeningen, L Z Goldani
Invasive fusariosis has a high mortality and is predominantly observed in patients with leukemia. We report the first case of a novel species of Fusarium, Fusarium riograndense sp. nov, isolated from a lesion in the nasal cavity lesion of a patient with acute lymphoblastic leukemia. The etiological agent was identified by Multilocus Sequencing Typing (MLST), including RPB2, TEF-1α, and ITS-LSU sequences, the gold standard technique to identify new species of Fusarium. MLST and phenotypic data strongly supported its inclusion in the F...
March 7, 2018: Journal de Mycologie Médicale
N Fakhfakh, R Abdelmlak, S Aissa, A Kallel, Y Boudawara, S Bel Hadj, N Ben Romdhane, H Touiri Ben Aissa, K Kallel
Histoplasmosis is a fungal infection caused by a dimorphic fungus, Histoplasma capsulatum. We report a first case of disseminated histoplasmosis in a 34-year-old woman, infected with human immunodeficiency virus (HIV), originating from Ivory Coast and living in Tunisia for 4 years. She was complaining from fever, chronic diarrhoea and pancytopenia. The Histoplasma capsulatum var. capsulatum was identified by direct microscopic examination of the bone marrow. She was treated by Amphotericin B, relayed by itraconazole...
March 5, 2018: Journal de Mycologie Médicale
S Salari, N Sadat Seddighi, P Ghasemi Nejad Almani
OBJECTIVE: Biofilm formation ability is one of the major virulence factors contributing to the pathogenesis of Candida species. Biofilms produced by Candida spp. cause complicated treatments and contribute to increasing unpleasant mortality rates. Nanoparticles of Fe3 O4 (Fe3 O4 -NPs) are considered due to their magnetic and biochemical properties, as well as their low costs. The purpose of present study was to determine biofilm formation ability in different Candida strains and evaluation of anti-biofilm effect of Fe3 O4 -NPs compared with FLC...
March 5, 2018: Journal de Mycologie Médicale
T Nuryastuti, S Setiawati, N Ngatidjan, M Mustofa, J Jumina, D Fitriastuti, M I Darussalam
The therapy for invasive candidiasis related to biofilms infection remains a difficult medical problem. To overcome this problem, efforts have been made to search for novel antibiofilm agents from various sources. This study investigated the in vitro antibiofilm activity of (1)-N-2-methoxybenzyl-1,10-phenanthrolinium bromide (FEN) against Candida albicans. The minimum biofilm inhibitory concentration (MBIC) and minimum biofilm reduction concentration (MBRC) were determined using the MTT (3-(4-5-dimethylthiazol-2-yl)2,5-dyphenyl tetrazolium bromide) reduction assay...
March 3, 2018: Journal de Mycologie Médicale
A R Khosravi, P Mansouri, Z Saffarian, G Vahedi, D Nikaein
Chronic mucocutaneous candidiasis (CMC) is a clinically heterogeneous disease. Some immunologic and hormonal abnormalities have been associated with CMC. The factors that predispose host to CMC infection could be autosomal or acquisitive. The disease usually occurs in childhood. Here, we reviewed the published literature on chronic mucocutaneous candidiasis and a four years old girl is presented with CMC. She had a history of recurrent thrush and otomycosis since the age of one. Candida albicans was detected in skin scraping and biopsy samples...
February 27, 2018: Journal de Mycologie Médicale
A Vaezi, H Fakhim, J Javidnia, S Khodavaisy, Z Abtahian, M Vojoodi, F Nourbakhsh, H Badali
Tricyclazole as a common fungicide wildly used to control rice blast disease in the Asian country may induce azole resistance in Aspergillus fumigatus isolates. The main reason of the acquired azole resistance is probably environmental exposure through wide fungicide use in agriculture. The present study was conducted with the aim of investigating the current status of the azole-resistant A. fumigatus obtained from the paddy fields with exposure to tricyclazole. A total of 108 soil samples were collected from four different locations of paddy fields in Mazandaran Province, Iran...
February 26, 2018: Journal de Mycologie Médicale
G L Aruna, B Ramalingappa
PURPOSE: The aim of this study was to develop and evaluate the diagnostic potential of indirect enzyme-linked immunosorbent assay (I-ELISA) for the rapid and precise diagnosis of Microsporum canis infection in humans. BASIC PROCEDURES: The present study reports the production, partial purification and SDS-PAGE analysis of M. canis mycelial antigens and production of specific polyclonal antibodies. It also reports the development and optimization of indirect ELISA and evaluation of its potential for the diagnosis of M...
February 23, 2018: Journal de Mycologie Médicale
L F Yang, X Liu, L L Lv, Z M Ma, X C Feng, T H Ma
OBJECTIVE: The aim of this study was to investigate the antifungal activity of dracorhodin perchlorate (DP) against planktonic growth and virulence factors of Candida albicans. METHODS: Microdilution method based on CLSI-M27-A3 was used to test the antifungal susceptibility of DP. The activity of DP against biofilm formation and development of C. albicans was quantified by XTT assay and visualized by confocal laser scanning microscope. The effect of DP on the morphological transition of C...
February 21, 2018: Journal de Mycologie Médicale
A R Khosravi, A Sharifzadeh, D Nikaein, Z Almaie, H Gandomi Nasrabadi
Systemic candidiasis has become an emerging fungal infection in recent years. Anti-Candida resistance to conventional antifungal agents has subsequently increased. This study reported the chemical composition, antioxidant and anti-Candida activity of Origanum majorana, Artemisia dracunculus, Cymbopogon citrate, Cinnamomum verum and Caryophyllus aromaticus essential oils. Different Candida species, from urine tracts of hospitalized patients, were included to be challenged with understudied essential oils. Chemical compositions were determined using gas chromatography/mass spectroscopy (GC/MS) analysis and antioxidant activity was measured using DDPH assay...
February 21, 2018: Journal de Mycologie Médicale
L Simon, L Gastaud, D Martiano, C Bailleux, L Hasseine, M Gari-Toussaint
Endophthalmitis is a rare infection of the vitreous and/or aqueous. It can be bacterial or fungal. Exogenous endophthalmitis is the most common form and results from direct inoculation of a pathogen after eye surgery or penetrating trauma. Endophthalmitis can also be endogenous, secondary to disseminated infection. Fungal endophthalmitis is associated with poor prognosis and treatment is difficult given the low penetration of most of the antifungal agents available and the emergence of resistant filamentous fungi like Fusarium...
February 21, 2018: Journal de Mycologie Médicale
M Chellappandian, M Saravanan, P Pandikumar, P Harikrishnan, K Thirugnanasambantham, S Subramanian, V I Hairul-Islam, S Ignacimuthu
OBJECTIVE: Dermatophytes are resistant to some available antibiotics. Development of new plant drugs to control drug resistant microbes is urgently needed. This study evaluates the antidermatophytic potential of 18 selected medicinal plants used by traditional healers in Theni and Virudhunagar Districts of Tamil Nadu, India. MATERIALS AND METHODS: Selected plant parts were collected, shade dried and powdered. Plant powders were extracted with ethanol and their antifungal potency was investigated against and clinical dermatophytes...
February 13, 2018: Journal de Mycologie Médicale
M Babayani, S Salari, S J Hashemi, P Ghasemi Nejad Almani, A Fattahi
OBJECTIVE: Onychomycosis (OM) or fungal nail infection is one of the most common fungal infections, which is increasingly prevalent. OM is caused by dermatophytes spp, yeasts and non-dermatophyte moulds (NDMs). The purpose of this study was to identify and determine the prevalence rates, predisposing factors and causative agents of OM using clinical symptoms and microscopic morphometric findings. MATERIALS AND METHODS: In the present study, 180 patients suspected of OM were evaluated by direct microscopy using KOH 20%, culturing in Mycosel and Sabouraud dextrose agar media and Olysia software for identifying the causative fungi of OM...
February 12, 2018: Journal de Mycologie Médicale
S Farokhipor, S A Ghiasian, H Nazeri, M Kord, M Didehdar
OBJECTIVE: Dermatophytosis is one of the most common mycotic infections, which considered as a public health problem in the major of countries. This study evaluated the molecular epidemiology of dermatophytosis in patients referred to Farshchian hospital in Hamadan city with PCR-RFLP method. MATERIALS AND METHODS: Four hundred and five specimens from clinically suspected patients of dermatophytosis were collected and analyzed by direct microscopic and culture. The isolates were identified by PCR-RFLP method using the MvaI restriction enzyme...
February 11, 2018: Journal de Mycologie Médicale
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