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Candida tropicalis

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https://www.readbyqxmd.com/read/28109554/clinical-and-microbiological-characteristics-of-bloodstream-infections-among-patients-with-haematological-malignancies-with-and-without-neutropenia-at-a-medical-centre-in-northern-taiwan-2008-2013
#1
Chien-Yuan Chen, Feng-Ming Tien, Wang-Huei Sheng, Shang-Yi Huang, Ming Yao, Jih-Luh Tang, Woei Tsay, Hwei-Fang Tien, Po-Ren Hsueh
This study aimed to investigate the epidemiology and microbiology of bloodstream infections (BSIs) in patients with haematological malignancies. Clinical characteristics and microbiology of 2083 patients with haematological malignancy who were treated for BSI from 2008 to 2013 at a medical centre in Taiwan were retrospectively reviewed. Lymphoma (38.1%) was the most common, followed by acute myeloid leukaemia (30.9%). Of the 2090 non-duplicate BSI isolates, 1310 (62.7%) were recovered from patients with neutropenia...
January 3, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28100993/cdc-group-eo-4-and-candida-tropicalis-peritonitis-in-a-patient-on-peritoneal-dialysis-after-upper-endoscopy-colonoscopy-and-coil-embolization-of-the-gastroduodenal-artery
#2
Shameek Gayen, Yonah Ziemba, Shikha Jaiswal, Adam Frank, Yasmin Brahmbhatt
Peritoneal dialysis (PD) is an excellent form of renal replacement therapy for many patients with end-stage renal disease (ESRD). Over 10,000 patients receive PD in the United States [United States Renal Data System: 2015 USRDS Annual Data Report: Epidemiology of Kidney Disease in the United States, 2015]. PD has superior outcomes compared to hemodialysis in the first 2 years of ESRD [Sinnakirouchenan and Holley: Adv Chronic Kidney Dis 2011;18: 428-432]. However, peritonitis is a known complication and may result in significant morbidity and necessitate transition to hemodialysis, which increases medical costs [Holley and Piraino: Semin Dial 1990;3: 245-248]...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28100311/the-evaluation-of-three-different-bottles-in-bactec-9240-automated-blood-culture-system-and-direct-identification-of-candida-species-to-shorten-the-turnaround-time-of-blood-culture
#3
Egemen Gokbolat, Yasemin Oz, Selma Metintas
Candida spp. are the most common causes of fungemia. Rapid and accurate diagnostic methods are very important for appropriate management of candidemia. At present, blood culture is the essential diagnostic test despite it has a long detection time and low sensitivity rate. We aimed to investigate the ways to shorten the turnaround time from blood culture collection to final identification in candidemia. Sixty clinical bloodstream isolates of Candida were included and the Plus Aerobic/F, Peds Plus/F and Mycosis IC/F (MICF) bottles were used with BACTEC 9240 blood culture instrument...
January 16, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28088767/pharmacokinetic-study-of-anidulafungin-in-icu-patients-with-intra-abdominal-candidiasis
#4
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/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/28054259/enhanced-production-of-xylitol-from-poplar-wood-hydrolysates-through-a-sustainable-process-using-immobilized-new-strain-candida-tropicalis-ufmg-bx-12-a
#8
Sai Swaroop Dalli, Silvio Silverio da Silva, Bijaya K Uprety, Sudip K Rakshit
A new strain, Candida tropicalis UFMG BX 12-a, was found to produce higher yields of xylitol on poplar wood hemicellulose hydrolysate. The hemicellulose hydrolysate liquor was detoxified using a novel method we developed, involving vacuum evaporation and solvent separation of inhibitors which made the hydrolysate free of toxins while retaining high concentrations of fermentable sugars. The effect of the detoxification method on the fermentation was also reported and compared to well-known methods reported in literature...
January 4, 2017: Applied Biochemistry and Biotechnology
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/28038478/activity-of-the-aqueous-extract-of-schinus-terebinthifolius-raddi-on-strains-of-the-candida-genus
#10
Kátia Andrea de Menezes Torres, Sônia Maria Rolim Rosa Lima, Suely Mitoi Ykko Ueda
Objectives To evaluate the antifungal susceptibility profile of the aqueous extract of the bark of Schinus terebinthifolius Raddi against the strains of the genus Candida. Methods By using the disk diffusion method, 50 samples of the genus Candida (Candida albicans; Candida krusei; Candida glabrata; and Candida tropicalis), isolated from patients receiving treatment at Hospital Santa Casa de Misericórdia de São Paulo, and 1 American Type Culture Collection (ATCC) sample of each species were tested against: the isolated aqueous extract of the bark of Schinus terebinthifolius Raddi, isolated nystatin, and the association of nystatin and the aqueous extract of Schinus terebinthifolius Raddi...
December 30, 2016: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28017541/production-of-flavor-compounds-from-olive-mill-waste-by-rhizopus-oryzae-and-candida-tropicalis
#11
Onur Guneser, Asli Demirkol, Yonca Karagul Yuceer, Sine Ozmen Togay, Muge Isleten Hosoglu, Murat Elibol
The purpose of this study was to investigate the production of flavor compounds from olive mill waste by microbial fermentation of Rhizopus oryzae and Candida tropicalis. Olive mill waste fermentations were performed in shake and bioreactor cultures. Production of flavor compounds from olive mill waste was followed by Gas Chromatography-Mass spectrometry, Gas chromatography- olfactometry and Spectrum Sensory Analysis(®). As a result, 1.73-log and 3.23-log cfu/mL increases were observed in the microbial populations of R...
November 23, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28011958/cationic-porphyrin-mediated-photodynamic-inactivation-of-candida-biofilms-and-the-effect-of-miconazole
#12
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/28011127/anticandidal-antibacterial-cytotoxic-and-antioxidant-activities-of-calendula-arvensis-flowers
#13
A-M Abudunia, I Marmouzi, M E A Faouzi, Y Ramli, J Taoufik, N El Madani, E M Essassi, A Salama, K Khedid, M Ansar, A Ibrahimi
Calendula arvensis (CA) is one of the important plants used in traditional medicine in Morocco, due to its interesting chemical composition. The present study aimed to determine the anticandidal, antioxidant and antibacterial activities, and the effects of extracts of CA flowers on the growth of myeloid cancer cells. Also, to characterize the chemical composition of the plant. Flowers of CA were collected based on ethnopharmacological information from the villages around the region Rabat-Khemisset, Moroccco...
December 20, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28004519/antimicrobial-assay-and-genetic-screening-of-selected-freshwater-cyanobacteria-and-identification-of-a-biomolecule-dihydro-2h-pyran-2-one-derivative
#14
A Srivastava, V K Singh, S Patnaik, J Tripathi, P Singh, G Nath, R K Asthana
AIMS: Explorations of freshwater cyanobacteria as antimicrobial (bacteria, fungi and MRSA strains) drug resource using bioassay, NRPS (non-ribosomal polypeptide synthetase) and PKS (polyketide synthase) genes, as well as in silico approach. METHODS AND RESULTS: We have bioassayed the extracts of Phormidium CCC727, Geitlerinema CCC728, Arthrospira CCC729, Leptolyngbya CCC732, Phormidium CCC730, Phormidium CCC731 against six pathogenic bacteria Gram (+ve): Staphylococcus aureus including seven clinical methicillin-resistant S...
December 22, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/27999566/isolation-screening-and-identification-of-novel-isolates-of-actinomycetes-from-india-for-antimicrobial-applications
#15
Vineeta Singh, Shafiul Haque, Harshita Singh, Jyoti Verma, Kumari Vibha, Rajbir Singh, Arshad Jawed, C K M Tripathi
The search for novel bioactive compounds from the natural environment has rapidly been gaining momentum with the increase in multi-drug resistant (MDR) pathogens. In the present study, the antimicrobial potential of novel actinomycetes has been evaluated by initial screening of six soil samples. Primary and secondary screening was performed against Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Candida albicans, Candida tropicalis, Trichophyton rubrum, and other MDR bacterial and fungal test strains, thirteen active isolates were selected for further study...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27998866/-nosocomial-septicemia-in-the-early-stage-after-stem-cell-transplantation-in-children-with-major-%C3%AE-thalassemia
#16
Yan-Jun Xu, Chun-Fu Li, Yue-Lin He, Xiao-Qin Feng, Fu-Yu Pei, Xue-Dong Wu
OBJECTIVE: To explore the clinical characteristics of nosocomial septicemia in the early stage after hematopoietic stem cell transplantation (HSCT) in children with major β-thalassemia. METHODS: The clinical data were retrospectively analyzed of 55 consecutive children with major β-thalassemia who developed septicemia early after HSCT between January, 2011 and June, 2016. RESULTS: Among the total of 416 consecutive children with major β-thalassemia undergoing allogeneic HSCT, the incidence of nosocomial infection early after transplantation was 77...
December 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27997568/longipin-an-amyloid-antimicrobial-peptide-from-the-harvestman-acutisoma-longipes-arachnida-opiliones-with-preferential-affinity-for-anionic-vesicles
#17
Raphael Santa Rosa Sayegh, Isabel de Fátima Correia Batista, Robson Lopes de Melo, Karin A Riske, Sirlei Daffre, Guillermo Montich, Pedro Ismael da Silva Junior
In contrast to vertebrate immune systems, invertebrates lack an adaptive response and rely solely on innate immunity in which antimicrobial peptides (AMPs) play an essential role. Most of them are membrane active molecules that are typically unstructured in solution and adopt secondary/tertiary structures upon binding to phospholipid bilayers. This work presents the first characterization of a constitutive AMP from the hemolymph of an Opiliones order animal: the harvestman Acutisoma longipes. This peptide was named longipin...
2016: PloS One
https://www.readbyqxmd.com/read/27995055/recurrent-episodes-of-candidemia-due-to-candida-glabrata-candida-tropicalis-and-candida-albicans-with-acquired-echinocandin-resistance
#18
Marine Grosset, Marie Desnos-Ollivier, Cendrine Godet, Catherine Kauffmann-Lacroix, France Cazenave-Roblot
Mixed fungal infection and acquired echinocandin resistance of Candida spp. remain infrequent. In this study we have reported the case of a patient hospitalized for tuberculosis who experienced multiple infections due to three common Candida species (C. albicans, C. glabrata, C. tropicalis). Furthermore, consecutive isolates from blood cultures and heart valve were found resistant to azoles (C. tropicalis) and to echinocandin with either novel (C. tropicalis) or previously described (C. albicans) missense mutations in the Fks gene...
December 2016: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/27990176/enhanced-production-of-2-3-butanediol-by-engineered-saccharomyces-cerevisiae-through-fine-tuning-of-pyruvate-decarboxylase-and-nadh-oxidase-activities
#19
Jin-Woo Kim, Jungyeon Kim, Seung-Oh Seo, Kyoung Heon Kim, Yong-Su Jin, Jin-Ho Seo
BACKGROUND: 2,3-Butanediol (2,3-BD) is a promising compound for various applications in chemical, cosmetic, and agricultural industries. Pyruvate decarboxylase (Pdc)-deficient Saccharomyces cerevisiae is an attractive host strain for producing 2,3-BD because a large amount of pyruvate could be shunted to 2,3-BD production instead of ethanol synthesis. However, 2,3-BD yield, productivity, and titer by engineered yeast were inferior to native bacterial producers because of the following metabolic limitations...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27988224/photoinactivation-of-single-and-mixed-biofilms-of-candida-albicans-and-non-albicans-candida-species-using-phorodithazine-%C3%A2
#20
Juliana Cabrini Carmello, Fernanda Alves, Ewerton Garcia de Oliveira Mima, Janaina Habib Jorge, Vanderlei Salvador Bagnato, Ana Cláudia Pavarina
This study evaluated the effectiveness of antimicrobial photodynamic therapy (aPDT) mediated by Photodithazine(®) (PDZ) formulated in hydrogel, in the inactivation of mono and duo-species biofilms of Candida albicans, Candida glabrata and Candida tropicalis. Standardized suspensions of each strain were prepared and after biofilm formation, mono-species were treated with 150 and 175mg/L of PDZ for 20minutes (pre-irradiation time), and exposed to LED light at a dose of 37.5J/cm(2) (660nm). The duo-species biofilms (C...
December 14, 2016: Photodiagnosis and Photodynamic Therapy
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