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Candida parapsilosis

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https://www.readbyqxmd.com/read/29147867/population-structure-of-candida-parapsilosis-no-genetic-difference-between-french-and-urugayan-isolates-using-microsatellite-length-polymorphism
#1
Marie Desnos-Ollivier, Victoria Bórmida, Philippe Poirier, Céline Nourrisson, Dinorah Pan, Stéphane Bretagne, Andrès Puime, Françoise Dromer
Candida parapsilosis is a human commensal yeast, frequently involved in infection worldwide and especially in neonates. It is the second species responsible for bloodstream infections in Uruguay and the third species in France. We were interested in knowing whether the population structure of isolates responsible for candidemia in France and in Uruguay was different. Genotyping methods based on microsatellite length polymorphism (MLP) have been described and are especially used for investigation of local outbreaks...
November 16, 2017: Mycopathologia
https://www.readbyqxmd.com/read/29142743/anti-candida-activity-of-antimicrobial-impregnated-central-venous-catheters
#2
L Cobrado, A Silva-Dias, M M Azevedo, A Rodrigues
Background: Whenever the rate of central line-associated bloodstream infections (CLABSIs) remains high even after the implementation of preventive strategies, the use of chlorhexidine/silver sulfadiazine (CSS) or minocycline/rifampin (MR)-impregnated central venous catheters (CVCs) is currently recommended. Nevertheless, the efficacy of such CVCs against Candida albicans and other emerging non-albicans spp. has been insufficiently studied. This study aims to compare the activity of CSS and MR-impregnated CVCs against the yeasts most frequently isolated from CLABSIs...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29133157/microbiological-and-clinical-characteristics-of-biofilm-forming-candida-parapsilosis-isolates-associated-with-fungaemia-and-their-impact-on-mortality
#3
Silvia Soldini, Brunella Posteraro, Antonietta Vella, Elena De Carolis, Elisa Borghi, Monica Falleni, Angela Raffaella Losito, Giuseppe Maiuro, Enrico Maria Trecarichi, Maurizio Sanguinetti, Mario Tumbarello
OBJECTIVES: Biofilm formation (BF) by fungal isolates may dramatically complicate infection. We determined the ability of C. parapsilosis isolates from single fungaemia episodes to form biofilms and we analysed biofilm subgroups for antifungal susceptibility and pathogenic potential. We then correlated BF with clinical characteristics and outcomes of the episodes. METHODS: BF was measured using the crystal-violet biomass assay, antifungal susceptibility of preformed biofilms was assessed, and virulence was studied using the Galleria mellonella model...
November 10, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29132935/risk-factors-and-outcomes-of-candidemia-caused-by-candida-parapsilosis-complex-in-a-medical-center-in-northern-taiwan
#4
Yen-Mu Wu, Po-Yen Huang, Jang-Jih Lu, Shian-Sen Shie, Jung-Jr Ye, Ting-Shu Wu, Ching-Tai Huang
To investigate the risk factors and outcomes associated with Candida parapsilosis candidemia, a retrospective study was conducted at a tertiary medical center in northern Taiwan. Patients with C. parapsilosis candidemia and corresponding controls with C. albicans candidemia were chosen and their demographics, comorbidities, risk factors, and clinical outcomes were reviewed. Antifungal susceptibility tests were performed using the Sensititre YeastOne colorimetric system. Matrix-assisted laser desorption ionization-time of flight mass spectrometry was used to classify the genomic species...
October 6, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29126627/-clinical-and-mycological-characteristics-of-onychomycosis-due-to-candida-at-institut-pasteur-of-c%C3%A3-te-d-ivoire
#5
K E Angora, A Ira-Bonouman, A H Vanga-Bosson, A Konaté, F K Kassi, K Tuo, K Sylla-Thanon, P C Kiki-Barro, S Miezan, A V Bedia-Tanoh, V Djohan, W Yavo, E H Menan, A T Offianan
OBJECTIVE: This study aims to study the clinical and mycological characteristics of onychomycosis due to Candida in mycology unit of Institut Pasteur of Côte d'Ivoire. PATIENTS AND METHODS: This is a retrospective study which was carried out on patients from 1990 to 2016 for mycological diagnosis of onychomycosis and which socio-demographic characteristics, direct examination and culture results were recorded. RESULTS: In this study, 1898 patient files were selected...
November 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29114700/invasive-candidiasis-in-pediatric-patients-at-king-fahad-medical-city-in-central-saudi-arabia-a-5-year-retrospective-study
#6
Zainab Almooosa, Gasmelseed Y Ahmed, Abeer Omran, Ayah AlSarheed, Afnan Alturki, Abdulaziz Alaqeel, Mohammed Alshehri, Tariq Alfawaz, Dayel AlShahrani
To identify predisposing factors, species distribution, antifungal susceptibility, and outcome. Methods: This study is a retrospective chart review that was conducted at a children's hospital at King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia. One hundred twenty-nine children with invasive candidiasis who were admitted between January 2010 and January 2015. Results: The statistical analysis results have revealed a group of risk factors; prematurity in 37 (28.7%) of patients, low birth weight in 42 (32...
November 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/29101060/dispersal-of-single-and-mixed-non-albicans-candida-species-biofilms-by-%C3%AE-1-3-glucanase-in-vitro
#7
Yulong Tan, Matthias Leonhard, Su Ma, Doris Moser, Berit Schneider-Stickler
β-1,3-glucan plays a role in non-albicans Candida species biofilm formation and survival of biofilm Candida to stresses. In this study, we evaluated the antibiofilm activity of β-1,3-glucanase, which can degrade poly-β(1 → 3)-glucose of non-albicans Candida species biofilms, on single and mixed species biofilm of non-albicans Candida species, including Candida tropicalis, Candida parapsilosis and Candida krusei. Biofilm by all tested species in microplate were dispersed more than 60%. β-1,3-glucanase also detached mixed species biofilm in microplate and on medical material surface...
November 1, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29099797/synthesis-single-crystal-x-ray-analysis-and-antifungal-profiling-of-certain-new-oximino-ethers-bearing-imidazole-nuclei
#8
Reem I Al-Wabli, Alwah R Al-Ghamdi, Hazem A Ghabbour, Mohamed H Al-Agamy, Mohamed I Attia
Fungal infections threaten human health, particularly in immune-compromised patients worldwide. Although there are a large number of antifungal agents available, the desired clinical attributes for the treatment of fungal infections have not yet been achieved. Azoles are the mainstay class of the clinically used antifungal agents. In the current study, the synthesis, spectroscopic characterization, and antifungal activity of certain new oximino ethers Va-n bearing imidazole nuclei are reported. The (E)-configuration of the imine double bond of the synthesized compounds Va-n has been confirmed via single crystal X-ray analysis of compound Vi as a representative example of this class of compounds...
November 3, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29099103/detecci%C3%A3-n-molecular-de-especies-de-candida-en-espec%C3%A3-menes-de-pacientes-hospitalizados
#9
José Luis Camacho-Cardoso, María Ángeles Martínez-Rivera, Patricia Manzano-Gayosso, Luis Javier Méndez-Tovar, Rubén López-Martínez, Francisca Hernández-Hernández
Objective: To identify the most frequent Candida species in specimens from patients hospitalized in different medical centers of Mexico City, with suspected fungal infection. Methods: Specimens were grown on Sabouraud dextrose agar at 28°C for 72 h. In addition, DNA was extracted. Isolates were grown on CHROMagar Candida™, at 37°C for 48 h. The molecular identification was performed by polymerase chain reaction (PCR) using primers specific for four species. Results: Eighty one specimens were processed and included: bronchial lavage, pleural, cerebrospinal, peritoneal, ascites and bile fluids; blood, sputum, bone marrow, oro-tracheal cannula and ganglion...
2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/29082569/deep-facial-mycosis-due-to-trichophyton-verrucosum-molecular-genetic-identification-of-the-dermatophyte-in-paraffin-embedded-tissue-case-report-and-review-of-the-literature
#10
REVIEW
U Wollina, G Hansel, S Uhrlaß, C Krüger, J Schönlebe, U-C Hipler, P Nenoff
Deep trichophytosis is relatively uncommon. The infection of the bearded area is also known as sycosis barbae or tinea barbae and can be caused by various fungal species, most often zoophilic fungi. We report on an 80-year-old male patient with severe sycosis barbae who had no animal contact and was treated with systemic antibiosis without improvement. Microbial and mycological investigations using swabs from oozing lesions revealed Staphylococcus hemolyticus and Candida parapsilosis. Histology demonstrated fungal elements in hair follicles...
October 30, 2017: Mycoses
https://www.readbyqxmd.com/read/29081085/identification-by-pcr-dgge-sds-page-and-maldi-tof-ms-of-lab-and-fungi-in-laru-a-fermented-starter
#11
Lenny S F Ahmadsah, Eiseul Kim, Youn-Sik Jung, Hae-Yeong Kim
Laru samples obtained from the upper part of Borneo Island were analyzed for their lactic acid bacterial (LAB) and fungal diversity using both a culture-independent method (PCR-DGGE) and culture-dependent methods (SDS-PAGE and MALDI-TOF MS). Pediococcus pentosaceus, Lactobacillus brevis, Saccharomycopsis fibuligera, Hyphopichia burtonii, and Kodamaea ohmeri were detected by all three methods. In addition, Weissella cibaria, Weissella paramesenteroides, Leuconostoc citreum, Leuconostoc mesenteroides, Lactococcus lactis, Rhizopus oryzae/Amylomyces rouxii, Mucor indicus, and Candida intermedia were detected by PCR-DGGE...
October 30, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29080936/detection-of-candida-species-by-nested-pcr-method-in-one-humped-camels-camelus-dromedarius
#12
Ugur Parin, Goksel Erbas, Sukru Kirkan, Serap Savasan, H Tugba Yuksel, Gamze Balat
Systemic fungal diseases are the infections caused by false treatment protocols and generally are not taken into consideration especially in the veterinary field. One-humped camels are found in the western side of the Aegean region of our country and bred for wrestling. The aim of this study is the application of diagnosing systemic fungi infection from camel blood samples by the PCR method. In this study, specific primers for DNA topoisomerase II gene sequences were used. As a result, a systemic fungal infection was detected by the nested PCR method from 10 (20%) out of 50 DNA samples taken from camels located on the western side of the Aegean region...
October 28, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29080227/yeasts-and-moulds-contaminants-of-food-ice-cubes-and-their-survival-in-different-drinks
#13
N Francesca, R Gaglio, C Stucchi, S De Martino, G Moschetti, L Settanni
AIMS: To evaluate the levels of unicellular and filamentous fungi in ice cubes produced at different levels and to determine their survival in alcoholic beverages and soft drinks. METHODS AND RESULTS: Sixty samples of ice cubes collected from home level (HL) productions, bars and pubs (BP) and industrial manufacturing plants (MP) were investigated for the presence and cell density of yeasts and moulds. Moulds were detected in almost all samples, while yeasts developed from the majority of HL and MP samples...
October 27, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29074432/healthcare-workers-hands-as-a-vehicle-for-the-transmission-of-virulent-strains-of-candida-spp-a-virulence-factor-approach
#14
Karina Mayumi Sakita, Daniella Renata Faria, Eliane Martins da Silva, Flávia Kelly Tobaldini-Valério, Erika Seki Kioshima, Terezinha Inez Estivalet Svidzinski, Patricia de Souza Bonfim-Mendonça
BACKGROUND: Although the majority of Candida infections are thought to come from endogenous sources, the healthcare workers' (HCWs) hands are being increasingly reported as vehicles for the transmission of pathogens. The aim of the present study was to evaluate the susceptibility of yeast isolated from the HCWs' hands and ICU (Intensive Care Unit) surfaces to antifungal agents and to determine the virulence potential and the genetic similarity between the same. METHODS: The susceptibility of yeasts from the HCWs' hands (n = 57) and ICU surfaces (n = 98) to conventional antifungals (fluconazole, voriconazole, amphotericin B and micafungin) was evaluated using the broth microdilution assay accordance with CLSI M27-A3...
October 23, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29062249/a-retrospective-evaluation-of-blood-cultures-in-a-pediatric-intensive-care-unit-a-three-year-evaluation
#15
Ayşe Betül Ergül, Halit Işık, Yasemin Ay Altıntop, Yasemin Altuner Torun
AIM: In this study, it was aimed to retrospectively assess the frequency and antibiotic resistance of microorganisms isolated from blood cultures of patients in a pediatric intensive care unit. MATERIAL AND METHODS: The study was conducted on blood culture tests obtained from patients in a pediatric intensive care unit and sent to a microbiology laboratory between 2013 and 2016. The species and antibiotic susceptibilities were assessed in microorganisms isolated from the blood cultures...
September 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/29062248/evaluation-of-candida-species-and-antifungal-susceptibilities-among-children-with-invasive-candidiasis
#16
Murat Sütçü, Manolya Acar, Gonca Erköse Genç, İlknur Kökçü, Hacer Aktürk, Gürkan Atay, Selda Hançerli Törun, Nuran Salman, Zayre Erturan, Ayper Somer
AIM: Non-albicans Candida species and resistant microorganisms have been more commonly isolated in invasive candidiasis in recent years. The aim of this study was to evaluate the distrubution of Candida spp and antifungal resistance in our clinic. MATERIAL AND METHODS: Fifty-four Candida isolates and antifungal susceptibility results obtained from patients diagnosed as having invasive candidiasis between December 2012 and June 2016 were included. Clinical and laboratory data were retrospectively analyzed...
September 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/29049184/epidemiology-clinical-characteristics-and-risk-factors-for-mortality-of-early-and-late-onset-invasive-candidiasis-in-intensive-care-units-in-china
#17
MULTICENTER STUDY
Yi Yang, Fengmei Guo, Yan Kang, Bin Zang, Wei Cui, Bingyu Qin, Yingzhi Qin, Qiang Fang, Tiehe Qin, Dongpo Jiang, Bojing Cai, Ruoyu Li, Haibo Qiu
To identify the epidemiology, treatments, outcomes, and risk factors for patients with early- or late-onset invasive candidiasis (EOIC or LOIC) in intensive care units in China.Patients were classified as EOIC (≤10 days) or LOIC (>10 days) according to the time from hospital admission to IC onset to identify distinct clinical characteristics.There were 105 EOIC cases and 201 LOIC cases in this study. EOIC was related to more severe clinical conditions at ICU admission or prior to IC. Significantly, more cases of Candida parapsilosis infection were found in patients with LOIC than in those with EOIC...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29046411/rapid-detection-and-differentiation-of-clinically-relevant-candida-species-simultaneously-from-blood-culture-using-a-novel-signal-amplification-approach
#18
Wanyuan Ao, Joshua Klonoski, Eric Berlinghoff, Jordan Jensen, Taliman Afroz, Denton Munns, Wes Lindsey, Gerald Denys, Robert Jenison
Fungal blood-stream infections are a significant problem in the U.S. with an attributable mortality rate of up to 40%. Early diagnosis to direct appropriate therapy has been shown to be critical to reduce mortality rates. Conventional phenotypic methods for fungal detection take several days, which is often too late to impact outcomes. Herein, we describe a cost-effective multiplex assay platform for rapid detection and differentiation of major clinically relevant Candida species directly from blood culture...
October 18, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29031236/inhibitory-effect-of-probiotic-lactobacilli-supernatants-on-single-and-mixed-non-albicans-candida-species-biofilm
#19
Yulong Tan, Matthias Leonhard, Doris Moser, Su Ma, Berit Schneider-Stickler
OBJECTIVES: Oral candidiasis is one of the most common human fungal infections. While most cases of the Candida species isolated from the oral cavity are Candida albicans, a large number of candidiasis is attributed to non-albicans Candida species. In this study, we aim to evaluate the in vitro inhibition of supernatants of Lactobacillus gasseri and Lactobacillus rhamnosus on the single and mixed species biofilm of non-albicans Candida species, including Candida tropicalis, Candida krusei and Candida parapsilosis...
October 6, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29024057/increasing-candidemia-incidence-from-2004-to-2015-with-a-shift-in-epidemiology-in-patients-pre-exposed-to-antifungals
#20
Berdieke Goemaere, Pierre Becker, Eric Van Wijngaerden, Johan Maertens, Isabel Spriet, Marijke Hendrickx, Katrien Lagrou
BACKGROUND: Candidemia is an important health problem in immunocompromised patients with an epidemiology varying with region, period and patient population involved. OBJECTIVES: The occurrence of candidemia and the associated species distribution over a 12-year period at a large tertiary care centre in Belgium were analysed. The trend in incidence in the intensive care units (ICUs) and non-ICUs was investigated as well as the influence of antifungal exposure on the species distribution...
October 12, 2017: Mycoses
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