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Candida parapsilosis

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https://www.readbyqxmd.com/read/28101934/detection-of-neonatal-unit-clusters-of-candida-parapsilosis-fungaemia-by-microsatellite-genotyping-results-from-laboratory-based-sentinel-surveillance-south-africa-2009-2010
#1
Rindidzani E Magobo, Serisha D Naicker, Jeannette Wadula, Maphoshane Nchabeleng, Yacoob Coovadia, Anwar Hoosen, Shawn R Lockhart, Nelesh P Govender
Neonatal candidaemia is a common, deadly and costly hospital-associated disease. To determine the genetic diversity of Candida parapsilosis causing fungaemia in South African neonatal intensive care units (NICUs). From February 2009 through to August 2010, cases of candidaemia were reported through laboratory-based surveillance. C. parapsilosis isolates from neonatal cases were submitted for identification by internal transcribed spacer (ITS) region sequencing, antifungal susceptibility testing and microsatellite genotyping...
January 19, 2017: Mycoses
https://www.readbyqxmd.com/read/28088767/pharmacokinetic-study-of-anidulafungin-in-icu-patients-with-intra-abdominal-candidiasis
#2
H Dupont, L Massias, B Jung, N Ammenouche, P Montravers
BACKGROUND: Only limited pharmacokinetic data are available for anidulafungin in ICU patients, especially in patients treated for severe intra-abdominal infection (IAI). METHODS: This was a prospective multicentre observational study in ICU patients with suspected yeast IAI. All patients received an intravenous loading dose of 200 mg of anidulafungin, followed by 100 mg/day. Thirteen blood samples were drawn between day 1 and day 5 for pharmacokinetic analysis...
January 14, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28081316/evaluation-of-epidemiological-characteristics-and-risk-factors-affecting-mortality-in-patients-with-candidemia
#3
Fatma Yılmaz Karadağ, Pınar Ergen, Özlem Aydın, Arzu Doğru, Berrin Tanıdır, Mustafa Haluk Vahaboğlu
BACKGROUND/AIM: The aim of this study was to determine epidemiologic characters of patients with candidemia and to evaluate risk factors that can affect mortality rates among these patients. MATERIALS AND METHODS: Patients admitted to the İstanbul Medeniyet University Göztepe Training Hospital between 2009 and 2011 who had a positive blood culture for Candida spp. during hospitalization were studied retrospectively for demographic characteristics and risk factors...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28071858/synthesis-and-biological-evaluation-of-novel-2-aminonicotinamide-derivatives-as-antifungal-agents
#4
Tingjunhong Ni, Ran Li, Fei Xie, Jing Zhao, Xin Huang, Maomao An, Chengxu Zang, Zhan Cai, Dazhi Zhang, Yuanying Jiang
Based on the structures of the reported compounds G884 [N-(3-(pentan-2-yloxy)phenyl)nicotinamide], E1210 [3-(3-(4-((pyridin-2-yloxy)methyl)benzyl)isoxazol-5-yl)pyridin-2-amine], and 10 b [2-amino-N-((5-(3-fluorophenoxy)thiophen-2-yl)methyl)nicotinamide], which inhibit the biosynthesis of glycosylphosphatidylinositol (GPI)-anchored proteins in fungi, a series of novel 2-aminonicotinamide derivatives were designed, synthesized, and evaluated for in vitro antifungal activity. Most of these compounds were found to exhibit potent in vitro antifungal activity against Candida albicans, with MIC80 values ranging from 0...
January 10, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28069658/scy-078-is-fungicidal-in-time-kill-studies-against-candida-species
#5
Bernard Scorneaux, David Angulo, Katyna Borroto-Esoda, Mahmoud Ghannoum, Michael Peel, Stephen Wring
SCY-078 is an orally bioavailable ß-1,3-glucan synthesis inhibitor (GSI) and the first-in-class of structurally novel triterpine antifungals in clinical development for treating candidemia and invasive candidiasis. In vitro susceptibility by broth micro-dilution, antifungal carry-over, and time-kill dynamics were determined for 3 reference (ATCC) strains (C. albicans 90028, C. parapsilosis 90018, and C. tropicalis 750), a Quality Control (QC) strain (C krusei 6258), and 4 other strains (C. albicans MYA-2732, 64124, 76485 and C...
January 9, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28068213/utilization-of-size-polymorphism-in-its1-and-its2-regions-for-identification-of-pathogenic-yeast-species
#6
Hossein Khodadadi, Ladan Karimi, Niloufar Jalali-Zand, Hassan Adin, Hossein Mirhendi
Despite the existence of a variety of available yeast identification strategies, easier and more cost-effective methods are required for routine use in clinical laboratories. The internal transcribed spacer (ITS) regions of fungal rRNA genes exhibit variable sizes depending on the yeast species. In the present study, fragment size polymorphism (FSP) analysis of the ITS1 and ITS2 regions for identification of the clinically most important yeast species was assessed. The ITS1 and ITS2 regions of 190 strains, including isolates of 31 standard strains and 159 clinical isolates, were separately PCR-amplified with two primer sets: ITS1-ITS2 and ITS3-ITS4...
January 9, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28065893/pan-azole-resistant-candida-tropicalis-carrying-homozygous-erg11-mutations-at-position-k143r-a-new-emerging-superbug
#7
Mariana I D S Xisto, Rita D F Caramalho, Débora A S Rocha, Antonio Ferreira-Pereira, Bettina Sartori, Eliana Barreto-Bergter, Maria L Junqueira, Cornelia Lass-Flörl, Michaela Lackner
OBJECTIVES: Candidaemia is a public health problem mainly in hospitalized individuals worldwide. In Brazil, Candida albicans is the most prevalent species that causes candidaemia, followed by Candida tropicalis and Candida parapsilosis Few data on the abundance of antifungal resistance are available for Latin America. METHODS: We analysed the frequency of azole and echinocandin resistance in Candida isolates (n = 75) collected between 2012 and 2014 at the University Hospital of Federal University of Juiz de Fora (Brazil)...
January 8, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28052349/chemical-composition-and-antifungal-activity-of-carica-papaya-linn-seeds-essential-oil-against-candida-spp
#8
Xiaowen He, Yinzheng Ma, Guohui Yi, Jinyan Wu, Limin Zhou, Hong Guo
In recent years, the incidence of clinical yeast infections has increased dramatically. Due to the extensive use of broad-spectrum antifungal agents, there has been a notable increase in drug resistance among infections yeast species. As one of the most popular natural antimicrobial agents, essential oils (EOs) have attracted a lot of attention from the scientific community. The aim of this study was to analyze the chemical composition and examine the antifungal activity of the EO extracted from the seeds of Carica papaya Linn...
January 4, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28050365/caspofungin-mic-distribution-amongst-commonly-isolated-candida-species-in-a-tertiary-care-centre-an-indian-experience
#9
Shashir Wanjare, Rajarshi Gupta, Preeti Mehta
INTRODUCTION: Emergence of Candida species resistant to Amphotericin B and triazole has led to use of echinocandins, mostly caspofungin in the management of invasive candidiasis. There are some published reports of caspofungin resistance in Candida species yet no studies on caspofungin susceptibility pattern of Candida species exist in Indian setup. AIM: To carry out the antifungal susceptibility of Candida isolates against caspofungin. MATERIALS AND METHODS: In a retrospective study at a tertiary care teaching hospital, 60 preserved Candida isolates from inpatients of invasive candidiasis obtained over a period of 6 months from January 2015 to June 2015 were subjected to antifungal susceptibility to caspofungin and the Minimum Inhibitory Concentrations (MICs) of Candida species to caspofungin were determined by Epsilometer test (E-test)...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28011958/cationic-porphyrin-mediated-photodynamic-inactivation-of-candida-biofilms-and-the-effect-of-miconazole
#10
A Davies, S Gebremedhin, M Yee, R J Padilla, N Duzgunes, K Konopka, B Dorocka-Bobkowska
The formation of biofilms by Candida and the increasing resistance of Candida species to antifungals contribute to the high recurrence rates of denture stomatitis. This increase has stimulated an interest in antimicrobial photodynamic therapy (aPDT) as an alternative treatment. We examined the photoactivity of the porphyrin-based photosensitizer, TMP-1363, against biofilms of C. albicans, C. glabrata, C. tropicalis and C. parapsilosis, and the effect of the combined use of miconazole and aPDT. Biofilms of three American Type Culture Collection (ATCC) strains and four clinical isolates developed on poly(methyl methacrylate) (PMMA) disks, were incubated with miconazole, followed by treatment with TMP-1363 for 30 min at 37°C...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28009892/cytotoxic-and-antimicrobial-effects-of-indium-iii-complexes-with-2-acetylpyridine-derived-thiosemicarbazones
#11
Alexandre A Oliveira, Gabriele M C Perdigão, Luana E Rodrigues, Jeferson G da Silva, Elaine M Souza-Fagundes, Jacqueline A Takahashi, Willian R Rocha, Heloisa Beraldo
Complexes [In(2Ac4oClPh)Cl2(MeOH)] (1), [In(2Ac4pFPh)Cl2(MeOH)] (2), [In(2Ac4pClPh)Cl2(MeOH)] (3) and [In(2Ac4pIPh)Cl2(MeOH)] (4) were obtained with N(4)-ortho-chlorophenyl-2-acetylpyridine thiosemicarbazone (H2Ac4oClPh), N(4)-para-fluorophenyl-2-acetylpyridine thiosemicarbazone (H2Ac4pFPh), N(4)-para-chlorophenyl-2-acetylpyridine thiosemicarbazone (H2Ac4pClPh) and N(4)-para-iodophenyl-2-acetylpyridine thiosemicarbazone (H2Ac4pIPh). Theoretical studies suggested that the coordinated methanol molecule can be easily replaced by DMSO used in the preparation of stock solutions, with the formation of [In(L)Cl2(DMSO)] (HL = thiosemicarbazonate ligand), and that the replacement of DMSO by water is unfavorable...
December 23, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27976140/immunotoxicological-safety-and-observational-studies-of-homeopathic-preparations-from-candida-albicans-and-candida-parapsilosis
#12
G Bader, K Wiethoff
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27960572/a-sensitive-and-a-rapid-multiplex-polymerase-chain-reaction-for-the-identification-of-candida-species-in-concentrated-oral-rinse-specimens-in-patients-with-diabetes
#13
Asanga Sampath, Manjula Weerasekera, Chinthika Gunasekara, Ayomi Dilhari, Uditha Bulugahapitiya, Neluka Fernando
OBJECTIVES: Oral candidiasis is being frequently recognized in patients with diabetes, and is associated with multiple pathogens including Candida albicans, Candida parapsilosis, Candida glabrata and Candida tropicalis. The aim of this study was to evaluate a usefulness of a Multiplex Polymerase Chain Reaction as a rapid diagnostic tool for identification of four oral Candida pathogens in patients with diabetes. MATERIALS AND METHODS: A multiplex PCR was optimized to identify four Candida species in concentrated oral rinse samples...
March 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/27956287/toxic-anterior-segment-syndrome-caused-by-autoclave-reservoir-wall-biofilms-and-their-residual-toxins
#14
Andrew L Sorenson, Robert L Sorenson, David J Evans
PURPOSE: To identify etiology of toxic anterior segment syndrome (TASS) after uneventful phacoemulsification. SETTING: EyeMD Laser and Surgery Center, Oakland, California. DESIGN: Retrospective case series. METHODS: Patient charts with TASS were reviewed. Reservoirs of 2 autoclaves associated with these cases were cultured for bacterial contamination. Cultures were performed on 23 other autoclave reservoirs at surgery centers in the local area...
November 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27942193/identification-and-antifungal-susceptibility-testing-of-candida-species-a-comparison-of-vitek-2-system-with-conventional-and-molecular-methods
#15
Ravinder Kaur, Megh Singh Dhakad, Ritu Goyal, Absarul Haque, Gauranga Mukhopadhyay
BACKGROUND: Candida infection is a major cause of morbidity and mortality in immunocompromised patients; an accurate and early identification is a prerequisite need to be taken as an effective measure for the management of patients. The purpose of this study was to compare the conventional identification of Candida species with identification by Vitek-2 system and the antifungal susceptibility testing (AST) by broth microdilution method with Vitek-2 AST system. MATERIALS AND METHODS: A total of 172 Candida isolates were subjected for identification by the conventional methods, Vitek-2 system, restriction fragment length polymorphism, and random amplified polymorphic DNA analysis...
October 2016: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/27915303/candida-species-isolated-from-different-body-sites-and-their-antifungal-susceptibility-pattern-cross-analysis-of-candida-albicans-and-candida-glabrata-biofilms
#16
Valentina Cataldi, Emanuela Di Campli, Paolo Fazii, Tonino Traini, Luigina Cellini, Mara Di Giulio
Candida species are regular commensal in humans, but-especially in immunocompromised patients-they represent opportunistic pathogens giving rise to systemic infection. The aim of the present work was to isolate and characterize for their antifungal profile Candida species from different body sites and to analyze the biofilms produced by C. albicans and C. glabrata isolates. Eighty-one strains of Candida species from 77 patients were identified. Epidemiological study showed that the most isolated species were C...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27913142/candida-species-from-oral-cavity-of-hiv-infected-children-exhibit-reduced-virulence-factors-in-the-haart-era
#17
Maristela Barbosa Portela, Elaine Lima de Amorim, Adrielle Mangabeira Santos, José Alexandre da Rocha Curvelo, Karol de Oliveira Martins, Cauli Lima Capillé, Rosangela Maria de Araújo Soares, Gloria Fernanda Barbosa de Araújo Castro
This study aimed to assess, in vitro, the biofilm viability and the phospholipase and protease production of Candida spp. from the saliva of HIV infected children and healthy controls, and to correlate the results with the use of medical data. A total of 79 isolates were analyzed: 48 Candida albicans isolates (33/15) and 20 Candida parapsilosis sensu lato complex isolates (12/8) (from HIV/control patients, respectively), and 8 Candida krusei, 1 Candida tropicalis, 1 Candida dubliniensis and 1 Candida guilliermondii from HIV patients...
January 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27913132/rapid-identification-of-candida-spp-frequently-involved-in-invasive-mycoses-by-using-flow-through-hybridization-and-gene-chip-fhgc-technology
#18
Chen Li, Xiurong Ding, Zhizhong Liu, Juanjuan Zhu
The incidence of invasive fungal infections in immunocompromised patients has increased in recent decades. Rapid and accurate identification of these pathogenic fungi is crucial for initiating a timely, safe, and effective antifungal therapy. Here we developed a microarray based on flow-through hybridization gene chip technology. The microarray was tested for its specificity using a panel of reference and blinded clinical isolates. The results proved that this microarray was highly discriminative, leading to the unequivocal identification of each species, including Candida famata and the highly related species Candida parapsilosis, Candida orthopsilosis, and Candida metapsilosis...
January 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27897199/hydroxychavicol-a-phytochemical-targeting-cutaneous-fungal-infections
#19
Intzar Ali, Naresh Kumar Satti, Prabhu Dutt, Rajendra Prasad, Inshad Ali Khan
The present study was designed to investigate the potency of hydroxychavicol on selected cutaneous human pathogenic fungi by the use of in vitro and in vivo assays and mechanistic characterization along with toxicological effects. Hydroxychavicol consistently displayed a fungicidal effect against all fungal species tested. Inoculum concentrations over the range of 10(4) to 10(7) CFU/ml did not significantly alter its antifungal potential and time-kill curve results revealed concentration-dependent killing...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27894040/plausible-exploitation-of-jatropha-de-oiled-seed-cake-for-lipase-and-phytase-production-and-simultaneous-detoxification-by-candida-parapsilosis-isolated-from-poultry-garbage
#20
Balakrishna Kannoju, Swaruparani Ganapathiwar, Hanumalal Nunavath, Bindu Sunkar, Bhima Bhukya
Jatropha de-oiled seed cake was explored to utilize as a basic nutrient source for Candida parapsilosis, isolated from poultry garbage and selected based on the production of lipase and phytase enzymes under submerged fermentation. At optimized parameters under solid-state fermentation, lipase and phytase activities were recorded as 1056.66±2.92 and 833±2.5U/g of substrate (U/g), respectively. Besides enzyme production, complete elimination of phorbol esters and significant phytate reduction from 6.51±0...
February 2017: Bioresource Technology
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