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https://www.readbyqxmd.com/read/28225975/descriptive-analysis-of-mycological-examination-of-patients-with-onychomycosis-treated-in-private-practice
#1
John Verrinder Veasey, Flávio Nappi, Clarisse Zaitz, Laura Hitomi Muramatu
This is a retrospective study of 160 patients treated in private practice in São Paulo from March 2003 to March 2015. We analyzed 171 results of direct mycological examinations and fungal cultures from nail scrapings. The agreement between direct mycological examination results and fungal culture was satisfactory, consistent with the literature (kappa 0.603). The main agent identified was Trichophyton rubrum (51%). We observed an isolation rate of non-dermatophyte filamentous fungi superior to the literature (34%)...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28224386/%C3%AE-bisabolol-inhibits-aspergillus-fumigatus-af239-growth-via-affecting-microsomal-%C3%A2-24-sterol-methyltransferase-as-a-crucial-enzyme-in-ergosterol-biosynthesis-pathway
#2
Zahra Jahanshiri, Masoomeh Shams-Ghahfarokhi, Farnoush Asghari-Paskiabi, Reza Saghiri, Mehdi Razzaghi-Abyaneh
Finding new compounds with antifungal properties is an important task due to the side effects of common antifungal drugs and emerging antifungal resistance in fungal strains. ∆(24)-sterol methyltransferase (24-SMT) is a crucial enzyme that plays important roles in fungal ergosterol biosynthesis pathway and is not found in humans. In the present study, the effects of α-bisabolol on Aspergillus fumigatus Af239 growth and ergosterol synthesis on the base of 24-SMT enzyme activity were studied; in addition, the expression of erg6, the gene encoded 24-SMT, was considered...
March 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28221979/influence-of-transportation-conditions-and-postharvest-disinfection-treatments-on-microbiological-quality-of-fresh-market-tomatoes-cv-nemo-netta-in-a-south-african-supply-chain
#3
M S Sibomana, L W Ziena, S Schmidt, T S Workneh
Postharvest microbial spoilage due to suboptimal transportation and packaging conditions is a key concern for the South African tomato industry. This study investigated the influence of washing with tap water or aqueous disinfectant solutions (chlorinated and anolyte water) on the microbiological quality of tomatoes during storage after transportation in nonrefrigerated trucks along two supply routes when packaged in crates and boxes. Route 1 was 1,093 km from field to storage site, while route 2 was 1,057 km...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221850/effectiveness-of-neutral-electrolyzed-water-on-incidence-of-fungal-rot-on-tomato-fruits-solanum-lycopersicum-l
#4
Alfonso Vásquez-López, Tania Villarreal-Barajas, Gerardo Rodríguez-Ortiz
We assessed the effect of neutral electrolyzed water (NEW) on the incidence of rot on tomato ( Solanum lycopersicum L.) fruits inoculated with Fusarium oxysporum , Galactomyces geotrichum , and Alternaria sp. at sites with lesions. The inoculated fruits were treated with NEW at 10, 30, and 60 mg liter(-1) active chlorine, with copper oxychloride fungicide, and with sterile distilled water (control) for 3, 5, and 10 min. In the experiment with F. oxysporum , 50 to 80% of the control fruits and 50 to 60% of the fruits treated with the fungicide exhibited symptoms of rot at the inoculated sites...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221840/inhibition-of-fusarium-growth-and-mycotoxin-production-in-culture-medium-and-in-maize-kernels-by-natural-phenolic-acids
#5
Elena Ferruz, Susana Loran, Marta Herrera, Isabel Gimenez, Noemi Bervis, Carmen Barcena, Juan Jose Carramiñana, Teresa Juan, Antonio Herrera, Agustin Ariño
The possible role of natural phenolic compounds in inhibiting fungal growth and toxin production has been of recent interest as an alternative strategy to the use of chemical fungicides for the maintenance of food safety. Fusarium is a worldwide fungal genus mainly associated with cereal crops. The most important Fusarium mycotoxins are trichothecenes, zearalenone, and fumonisins. This study was conducted to evaluate the potential of four natural phenolic acids (caffeic, ferulic, p-coumaric, and chlorogenic) for the control of mycelial growth and mycotoxin production by six toxigenic species of Fusarium ...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221210/cutaneous-emboli-of-invasive-basidiomycosis-in-a-child-with-aplastic-anemia
#6
Desmond Shi-Wei Lim, Poh-Lin Tan, Roland Jureen, Kong-Bing Tan
Invasive fungal diseases are a significant cause of mortality among the immunocompromised. This report documents an unusual case of disseminated fungal infection in a child with severe aplastic anemia. The offending fungus, a Basidiomycete, is rarely known to cause human infections. The patient presented acutely with multiple purpuric skin lesions in various parts of the body. The skin biopsy revealed septated fungal hyphae embolized within small dermal blood vessels. Molecular sequencing indicated Earliella scabrosa as the likely organism...
March 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28220379/pulmonary-mucormycosis-clinical-features-and-outcomes
#7
Erica Lin, Teng Moua, Andrew H Limper
PURPOSE: Mucormycosis encompasses a group of opportunistic fungal infections caused by Zygomycetes, order Mucorales. Mucormycosis can manifest as rhino-orbito-cerebral, pulmonary, gastrointestinal, cutaneous, and disseminated infections. Pulmonary mucormycosis is the second most common presentation. This manuscript characterizes the demographics, clinical presentation, diagnostic procedures, radiologic findings, therapeutic interventions, and outcome in pulmonary mucormycosis. METHODS: We retrospectively reviewed clinical data of 35 patients with pulmonary mucormycosis from 2000 to 2015...
February 20, 2017: Infection
https://www.readbyqxmd.com/read/28219521/butyrate-influences-intracellular-levels-of-adenine-and-adenine-derivatives-in-the-fungus-penicillium-restrictum
#8
Christoph Zutz, Yi Ming Chiang, Bettina Faehnrich, Markus Bacher, Roland Hellinger, Bernhard Kluger, Martin Wagner, Joseph Strauss, Kathrin Rychli
Butyrate, a small fatty acid, has an important role in the colon of ruminants and mammalians including the inhibition of inflammation and the regulation of cell proliferation. There is also growing evidence that butyrate is influencing the histone structure in mammalian cells by inhibition of histone deacetylation. Butyrate shows furthermore an antimicrobial activity against fungi, yeast and bacteria, which is linked to its toxicity at a high concentration. In fungi there are indications that butyrate induces the production of secondary metabolites potentially via inhibition of histone deacetylases...
April 2017: Microbiological Research
https://www.readbyqxmd.com/read/28219330/empiric-treatment-against-invasive-fungal-diseases-in-febrile-neutropenic-patients-a-systematic-review-and-network-meta-analysis
#9
Ken Chen, Qi Wang, Roy A Pleasants, Long Ge, Wei Liu, Kangning Peng, Suodi Zhai
BACKGROUND: The most optimal antifungal agent for empiric treatment of invasive fungal diseases (IFDs) in febrile neutropenia is controversial. Our objective was evaluate the relative efficacy of antifungals for all-cause mortality, fungal infection-related mortality and treatment response in this population. METHODS: Pubmed, Embase and Cochrane Library were searched to identify randomized controlled trials (RCTs). Two reviewers performed the quality assessment and extracted data independently...
February 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28217822/how-to-diagnose-early-5-azacytidine-induced-pneumonitis-a-case-report
#10
Srimanta Chandra Misra, Laurence Gabriel, Eric Nacoulma, Gérard Dine, Valentina Guarino
Interstitial pneumonitis is a classical complication of many drugs. Pulmonary toxicity due to 5-azacytidine, a deoxyribonucleic acid methyltransferase inhibitor and cytotoxic drug, has rarely been reported. We report a 67-year-old female myelodysplastic syndrome patient treated with 5-azacytidine at the conventional dosage of 75 mg/m(2) for 7 days. One week after starting she developed moderate fever along with dry cough and subsequently her temperature rose to 39.5 °C. She was placed under broad-spectrum antibiotics based on the protocol for febrile neutropenia, including ciprofloxacin 750 mg twice daily, ceftazidime 1 g three times daily (tid), and sulfamethoxazole/trimethoprim 400 mg/80 mg tid...
December 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28217816/candida-albicans-survival-growth-and-biofilm-formation-are-differently-affected-by-mouthwashes-an-in-vitro-study
#11
Simona Paulone, Giulia Malavasi, Andrea Ardizzoni, Carlotta Francesca Orsi, Samuele Peppoloni, Rachele Giovanna Neglia, Elisabetta Blasi
Candida albicans is the most common cause of oral mycoses. The aim of the present study was to investigate in vitro the susceptibility of C. albicans to mouthwashes, in terms of growth, survival and biofilm formation. Candida albicans, laboratory strain SC5314, and 7 commercial mouthwashes were employed: 3 with 0.2% chlorhexidine digluconate; 1 with 0.06% chlorhexidine digluconate and 250 ppm F- sodium fluoride; 3 with fluorine-containing molecules. None of the mouthwashes contained ethanol in their formulations...
January 2017: New Microbiologica
https://www.readbyqxmd.com/read/28217435/a-rare-fungal-infection-phaehyphomycosis-due-to-veronaea-botryosa-and-review-of-literature
#12
Anne Welfringer, Valérie Vuong, Nicolas Argy, Christian Chochillon, Lydia Deschamps, Guillaume Rollin, Stanislas Harent, Véronique Joly, William Vindrios, Vincent Descamps
We report a rare case of phaehyphomycosis in a 71-year-old heart transplant recipient Togo native patient. Four months after the transplant, he presented painless nodules on the right heel with superficial ulceration. The polyphasic identification uncovered a rare cause of phaehyphomycose: V. botryosa. The treatment combined surgical excision of the lesions and anti-fungal therapy with posaconazole. We discussed eleven reported cases in literature since 1990.
March 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28213731/fungi-based-treatment-of-brewery-wastewater-biomass-production-and-nutrient-reduction
#13
M Hultberg, H Bodin
The beer-brewing process produces high amounts of nutrient-rich wastewater, and the increasing number of microbreweries worldwide has created a need for innovative solutions to deal with this waste. In the present study, fungal biomass production and the removal of organic carbon, phosphorus and nitrogen from synthetic brewery wastewater were studied. Different filamentous fungi with a record of safe use were screened for growth, and Trametes versicolor, Pleurotus ostreatus and Trichoderma harzianum were selected for further work...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213318/efficacy-of-fungal-and-bacterial-antagonists-for-controlling-growth-fum1-gene-expression-and-fumonisin-b1-production-by-fusarium-verticillioides-on-maize-cobs-of-different-ripening-stages
#14
Nik Iskandar Putra Samsudin, Alicia Rodriguez, Angel Medina, Naresh Magan
This study was carried out to examine the efficacy of two biocontrol agents (Clonostachys rosea 016, BCA1; Gram-negative bacterium, BCA5) for control of FUM1 gene expression and fumonisin B1 (FB1) production by F. verticillioides FV1 on maize cobs of different ripening stages: R3, Milk (0.985 aw); R4, Dough (0.976 aw); R5, Dent (0.958 aw). Initially, temporal studies on FUM1 gene expression and FB1 production were performed on maize kernels for up to 14days. This revealed that day 10 was optimum for both parameters, and was used in the biocontrol studies...
February 9, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28211475/biofilm-formation-of-the-black-yeast-like-fungus-exophiala-dermatitidis-and-its-susceptibility-to-antiinfective-agents
#15
Lisa Kirchhoff, Maike Olsowski, Katrin Zilmans, Silke Dittmer, Gerhard Haase, Ludwig Sedlacek, Eike Steinmann, Jan Buer, Peter-Michael Rath, Joerg Steinmann
Various fungi have the ability to colonize surfaces and to form biofilms. Fungal biofilm-associated infections are frequently refractory to targeted treatment because of resistance to antifungal drugs. One fungus that frequently colonises the respiratory tract of cystic fibrosis (CF) patients is the opportunistic black yeast-like fungus Exophiala dermatitidis. We investigated the biofilm-forming ability of E. dermatitidis and its susceptibility to various antiinfective agents and natural compounds. We tested 58 E...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28208575/rna-seq-analyses-for-two-silkworm-strains-reveals-insight-into-their-susceptibility-and-resistance-to-beauveria-bassiana-infection
#16
Dongxu Xing, Qiong Yang, Liang Jiang, Qingrong Li, Yang Xiao, Mingqiang Ye, Qingyou Xia
The silkworm Bombyx mori is an economically important species. White muscardine caused by Beauveria bassiana is the main fungal disease in sericulture, and understanding the silkworm responses to B. bassiana infection is of particular interest. Herein, we investigated the molecular mechanisms underlying these responses in two silkworm strains Haoyue (HY, sensitive to B. bassiana) and Kang 8 (K8, resistant to B. bassiana) using an RNA-seq approach. For each strain, three biological replicates for immersion treatment, two replicates for injection treatment and three untreated controls were collected to generate 16 libraries for sequencing...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207754/ascofuranone-inhibits-lipopolysaccharide-induced-inflammatory-response-via-nf-kappab-and-ap-1-p-erk-tnf-%C3%AE-il-6-and-il-1%C3%AE-in-raw-264-7-macrophages
#17
Jun-Young Park, Tae-Wook Chung, Yun-Jeong Jeong, Choong-Hwan Kwak, Sun-Hyung Ha, Kyung-Min Kwon, Fukushi Abekura, Seung-Hak Cho, Young-Choon Lee, Ki-Tae Ha, Junji Magae, Young-Chae Chang, Cheorl-Ho Kim
The natural fungal compound ascofuranone (5-chloro-3-[(2E,6E)-7-[(2S)-5,5-dimethyl-4-oxo-tetrahydrofuran-2-yl]-3-methyl-octa-2,6-dienyl]-2,4-dihydroxy-6-methyl-benzaldehyde, MW 420.93) (AF) isolated from Ascochyta viciae has been known to promote cell cycle arrest and inhibit invasion of tumor cells. We have previously studied a structurally similar compound ascochlorin (ASC; MW 404.93) with regard to its anti-inflammatory activity in LPS- stimulated RAW 264.7 macrophages. In order to examine the relationship between the anti-inflammatory activities and the molecular differences between AF and ASC, the activity of AF is herein studied, because ASC has a unique trimethyl oxocyclohexyl structure, while AF has a unique dimethyl-oxo-tetrahydrofuran structure...
2017: PloS One
https://www.readbyqxmd.com/read/28207431/successful-medical-management-of-presumptive-pythium-insidiosum-keratitis
#18
Muralidhar Ramappa, Ritu Nagpal, Savitri Sharma, Sunita Chaurasia
PURPOSE: To describe the previously unreported successful treatment of presumptive Pythium keratitis (PK) with medical therapy alone. METHODS: A 42-year-old female homemaker presented to us with a 15-day history of pain and redness in the right eye after a trivial injury. Her vision was 20/80 at presentation. Slit-lamp biomicroscopy revealed a central, dense and dry-looking, grayish-white infiltrate reaching mid stroma. The infiltrate had feathery margins and was surrounded by multiple tentacle-like lesions and peripherally expanding pinhead-sized subepithelial lesions...
February 15, 2017: Cornea
https://www.readbyqxmd.com/read/28207190/diaporthe-soft-tissue-infection-in-a-heart-transplant-patient
#19
Robert M Rakita, Kevin D O'Brien, Lori Bourassa
Infections caused by Diaporthe species are very uncommon. We describe a heart transplant recipient 14 years post transplant who developed a soft tissue fungal infection due to a Diaporthe species that responded well to surgical excision and posaconazole therapy. The Aspergillus galactomannan index was markedly elevated, and returned to normal following treatment. Solid organ transplant patients remain at risk of infection long after transplant and should be counseled about risk avoidance. This article is protected by copyright...
February 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28203095/burden-and-treatment-patterns-of-invasive-fungal-infections-in-hospitalized-patients-in-the-middle-east-real-world-data-from-saudi-arabia-and-lebanon
#20
Adel F Alothman, Abdulhakeem O Althaqafi, Madonna J Matar, Rima Moghnieh, Thamer H Alenazi, Fayssal M Farahat, Shelby Corman, Caitlyn T Solem, Nirvana Raghubir, Cynthia Macahilig, Claudie Charbonneau, Jennifer M Stephens
OBJECTIVES: The objective of this study was to document the burden and treatment patterns associated with invasive fungal infections (IFIs) due to Candida and Aspergillus species in Saudi Arabia and Lebanon. METHODS: A retrospective chart review study was conducted using data recorded from 2011 to 2012 from hospitals in Saudi Arabia and Lebanon. Patients were included if they had been discharged with a diagnosis of IFI due to Candida or Aspergillus, which was culture proven or suspected based on clinical criteria...
2017: Infection and Drug Resistance
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