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https://www.readbyqxmd.com/read/28549148/risk-factors-for-invasive-fungal-disease-in-pediatric-cancer-and-hematopoietic-stem-cell-transplantation-a-systematic-review
#1
Brian T Fisher, Paula D Robinson, Thomas Lehrnbecher, William J Steinbach, Theoklis E Zaoutis, Bob Phillips, Lillian Sung
Background.: Although a number of risk factors have been associated with invasive fungal disease (IFD), a systematic review of the literature to document pediatric-specific factors has not been performed. Methods.: We used the Ovid SP platform to search Medline, Medline In-Process, and Embase for studies that identified risk factors for IFD in children with cancer or those who undergo hematopoietic stem cell transplantation (HSCT). We included studies if they consisted of children or adolescents (<25 years) who were receiving treatment for cancer or undergoing HSCT and if the study evaluated risk factors among patients with and those without IFD...
May 26, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28548655/an-n-acetylglucosamine-transporter-required-for-arbuscular-mycorrhizal-symbioses-in-rice-and-maize
#2
Marina Nadal, Ruairidh Sawers, Shamoon Naseem, Barbara Bassin, Corinna Kulicke, Abigail Sharman, Gynheung An, Kyungsook An, Kevin R Ahern, Amanda Romag, Thomas P Brutnell, Caroline Gutjahr, Niko Geldner, Christophe Roux, Enrico Martinoia, James B Konopka, Uta Paszkowski
Most terrestrial plants, including crops, engage in beneficial interactions with arbuscular mycorrhizal fungi. Vital to the association is mutual recognition involving the release of diffusible signals into the rhizosphere. Previously, we identified the maize no perception 1 (nope1) mutant to be defective in early signalling. Here, we report cloning of ZmNope1 on the basis of synteny with rice. NOPE1 encodes a functional homologue of the Candida albicans N-acetylglucosamine (GlcNAc) transporter NGT1, and represents the first plasma membrane GlcNAc transporter identified from plants...
May 26, 2017: Nature Plants
https://www.readbyqxmd.com/read/28546828/improving-the-thermostability-of-a-fungal-gh11-xylanase-via-site-directed-mutagenesis-guided-by-sequence-and-structural-analysis
#3
Nanyu Han, Huabiao Miao, Junmei Ding, Junjun Li, Yuelin Mu, Junpei Zhou, Zunxi Huang
BACKGROUND: Xylanases have been widely employed in many industrial processes, and thermophilic xylanases are in great demand for meeting the high-temperature requirements of biotechnological treatments. In this work, we aim to improve the thermostability of XynCDBFV, a glycoside hydrolase (GH) family 11 xylanase from the ruminal fungus Neocallimastix patriciarum, by site-directed mutagenesis. We report favorable mutations at the C-terminus from B-factor comparison and multiple sequence alignment...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28546688/collagen-cross-linking-for-microbial-keratitis
#4
Prashant Garg, Sujata Das, Aravind Roy
Collagen cross-linking is gaining popularity not only for arresting the progression of keratoconus but also other indications including management of corneal infections. In this review article, we analyzed the published literature to understand the level of evidence for its use in corneal ulcer. Photoactivated riboflavin and ultraviolet A light are known to possess antimicrobial properties. The treatment also induces formation of inter- and intra-fibrillar bonds, thereby making the corneal collagen resistant to the action of proteases arresting stromal melt...
January 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28545993/the-effect-of-entomopathogenic-fungal-culture-filtrate-on-the-immune-response-of-the-greater-wax-moth-galleria-mellonella
#5
Louise Mc Namara, James C Carolan, Christine T Griffin, David Fitzpatrick, Kevin Kavanagh
Galleria mellonella is a well-established model species regularly employed in the study of the insect immune response at cellular and humoral levels to investigate fungal pathogenesis and biocontrol agents. A cellular and proteomic analysis of the effect of culture filtrate of three entomopathogenic fungi (EPF) species on the immune system of G. mellonella was performed. Treatment with Beauveria caledonica and Metarhizium anisopliae 96h culture filtrate facilitated a significantly increased yeast cell density in larvae (3 fold and 3...
May 22, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28544837/candida-endocarditis-a-review-of-twelve-episodes-in-eleven-patients
#6
Tatjana Lejko Zupanc, Mateja Logar
BACKGROUND: Candida spp. are a rare but important cause of infective endocarditis. The study aim was to describe pertinent clinical data on consecutive patients with Candida endocarditis treated at a tertiary referral center between 1984 and 2013. METHODS: A retrospective search of the authors' endocarditis database was performed and the medical records of patients with confirmed Candida endocarditis were reviewed. Important data relating to demographics, medical history and clinical data, as well as information on outcome and treatment, were extracted...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28542438/chemically-induced-disseminated-pythiosis-in-balb-c-mice-a-new-experimental-model-for-pythium-insidiosum-infection
#7
Juliana S M Tondolo, Érico S Loreto, Pauline C Ledur, Francielli P K Jesus, Taiara M Silva, Glaucia D Kommers, Sydney H Alves, Janio M Santurio
Pythiosis is a severe and life-threatening disease that affects humans and various animal species. We report a model of vascular/disseminated pythiosis occurring after subcutaneous inoculation of 2 x 104 Pythium insidiosum zoospores/mL in immunocompromised BALB/c mice. For this model, we carried out two rounds of experiments. First, we evaluated two protocols of immunosuppression before inoculation: cyclophosphamide at 150 mg/kg (CYP group) and cyclophosphamide 200 mg/kg plus hydrocortisone acetate at 250 mg/kg (CYP+HCA group)...
2017: PloS One
https://www.readbyqxmd.com/read/28541964/role-of-early-vitrectomy-in-the-treatment-of-fungal-endophthalmitis
#8
Umesh Chandra Behera, Monica Budhwani, Taraprasad Das, Soumyava Basu, Tapas Ranjan Padhi, Manas Ranjan Barik, Savitri Sharma
PURPOSE: To study whether immediate pars plana vitrectomy at the time of sampling vitreous for culture alter the visual and structural outcomes in fungal endophthalmitis. METHODS: Surgical results of 66 consecutive patients with culture-positive fungal endophthalmitis attending a tertiary eye care hospital in eastern India were analyzed. Based on the timing of vitrectomy, they were divided into 2 groups: Group 1-immediate vitrectomy (n = 31) and Group 2-diagnostic vitrectomy alone (n = 35) as the first-line intervention...
May 23, 2017: Retina
https://www.readbyqxmd.com/read/28540147/candida-prosthetic-joint-infection-a-review-of-treatment-methods
#9
REVIEW
Fernando Cobo, Javier Rodríguez-Granger, Antonio Sampedro, Luis Aliaga-Martínez, José María Navarro-Marí
Fungal microorganisms are still a rare cause of bone and joint infections. We report a new case of knee prosthetic joint infection due to Candida albicans in a patient with a previous two-stage right knee arthroplasty for septic arthritis due to S. epidermidis occurred several months ago. Moreover, the treatment in 76 cases of Candida prosthetic joint infection has been discussed. Forty patients were female and mean age at diagnosis was 65.7 (± SD 18) yrs. No risk factors for candidal infection were found in 25 patients...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28539923/analysis-on-fungal-diversity-in-rhizosphere-soil-of-continuous-cropping-potato-subjected-to-different-furrow-ridge-mulching-managements
#10
Shuhao Qin, Stephen Yeboah, Xuexue Xu, Yuhui Liu, Bin Yu
Knowledge about fungi diversity following different planting patterns could improve our understanding of soil processes and thus help us to develop sustainable management strategies. The objective of this study was to determine the impact of different furrow-ridge mulching techniques on fungal diversity in rhizosphere soil under continuous cropping system. The investigated treatments were: flat plot without mulch (CK); flat plot with mulch (T1); on-ridge planting with full mulch (T2); on-furrow planting with full mulch (T3); on-ridge planting with half mulch (T4); and on-furrow planting with half mulch (T5)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28539886/corrigendum-mechanosensory-neuron-aging-differential-trajectories-with-lifespan-extending-alaskan-berry-and-fungal-treatments-in-caenorhabditis-elegans
#11
Courtney Scerbak, Elena Vayndorf, Alicia Hernandez, Colin McGill, Barbara Taylor
[This corrects the article on p. 173 in vol. 8, PMID: 27486399.].
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28537873/leishmanial-dactylitis-an-unusual-clinical-presentation
#12
Nasrin Saki, Hamid Godarzi, Alireza Heiran
Cutaneous leishmaniasis (CL) is one of the most common endemic diseases in Iran. It has a diverse spectrum of clinical manifestations. Herein we present a woman with leishmanial dactylitis, which is a very rare clinical form of CL. Successful treatment consisted of parenteral pentavalent antimonials for two months. Leishmanial dactylitis can be easily misdiagnosed as bacterial or fungal infections, psoriasis, or even malignancies. Accordingly, it should be considered in the differential diagnosis of dactylitis in endemic areas and in travelers from endemic countries...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28537388/micro-electric-current-treatment-enhanced-biodegradation-of-pumpkin-lignocelluloses-by-trichoderma-reesei-rut-c30
#13
Rui Yang, Yuqian Liu, Zhongkai Zhou, Jiping Sheng, Demei Meng
A home-made micro-current reactor was used to treat the fermentation of Trichoderma reesei. Results indicated that the yield of saccharides for Trichoderma reesei RUT-C30 cultivated in pumpkin lignocelluloses broth reach to 38.86% (w/w), when a micro-current treatment (20 mA, at 48th hour for 60 min) was carried out, which is significantly higher than the control group (p<0.05). Additionally, activities of endoglucanase, cellobiohydrolase, xylanase, and pectinase were significantly increased in days 3-7...
May 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28536567/the-repurposing-of-anti-psychotic-drugs-quetiapine-and-olanzapine-as-anti-cryptococcus-drugs
#14
Adepemi O Ogundeji, Carolina H Pohl, Olihile M Sebolai
The management of cryptococcal infections is often difficult. This can, in part, be attributed to the fungistatic nature of fluconazole, which may result in cells disseminating to give rise to pathogen-emergent psychosis following brain inflammation. This chance at treatment failure has necessitated the current study wherein the antimicrobial quality of anti-psychotic drugs viz. quetiapine and olanzapine, was assessed. The response of test strains toward quetiapine or olanzapine alone and in combined therapy with fluconazole or amphotericn B was measured...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28535671/synergistic-effects-of-arginine-and-methyl-salicylate-on-alleviating-postharvest-disease-caused-by-botrysis-cinerea-in-tomato-fruit
#15
Xinhua Zhang, Dedong Min, Fujun Li, Nana Ji, Demei Meng, Ling Li
The effect of L-arginine (Arg, 1 mM) and methyl salicylate (MeSA, 0.05 mM) either separately or combined on gray mold caused by Botrytis cinerea in tomato fruit was investigated. The results showed that the application of Arg or MeSA alone could reduce gray mold and the combined treatment was more effective in inhibiting fungal decay during storage than each treatment separately. The combined treatment not only increased the activities of antioxidant enzymes such as superoxide dismutase, catalase and peroxidase, but also enhanced the gene expression levels of pathogenesis-related protein 1 and the activities of defense enzymes including phenylalanine ammonia-lyase, polyphenol oxidase, chitinase and β-1,3-glucanase during most of the storage periods, which were associated with lower disease incidence and disease index...
May 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28535360/posttransplant-lymphoproliferative-disorder-otolaryngological-manifestations-and-management
#16
Richard Heyes, Donald W Northfelt, David G Lott
Objective Posttransplant lymphoproliferative disorder (PTLD) is a unifying term for a spectrum of lymphoid expansion entities brought about by immunosuppression and is strongly associated with Epstein-Barr virus (EBV). Otolaryngological findings tend to present early in the clinical course; therefore, disease awareness among otolaryngologists is of utmost importance. This review synthesizes the body of literature pertaining to PTLD involving the head and neck, summarizes contemporary management, and highlights areas for future research...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28533234/differential-activity-of-the-oral-glucan-synthase-inhibitor-scy-078-against-wild-type-and-echinocandin-resistant-strains-of-candida-spp
#17
Michael A Pfaller, Shawn A Messer, Paul R Rhomberg, Mariana Castanheira
SCY-078 (formerly MK-3118) is a novel orally active inhibitor of fungal β- (1, 3)-glucan synthase (GS). SCY-078 is a derivative of enfumafungin and is structurally distinct from the echinocandin class of antifungal agents. We evaluated the in vitro activity of this compound against wild-type (WT) and echinocandin-resistant isolates containing mutations in the FKS genes of Candida spp. Against 36 Candida spp. FKS mutants tested, 30 (83.3%) were non-WT to 1 or more echinocandins and only 9 (25.0%) were non-WT (MIC, >WT-upper limit) to SCY-078...
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28531554/efficacy-of-bacillus-subtilis-and-bacillus-amyloliquefaciens-in-the-control-of-aspergillus-parasiticus-growth-and-aflatoxins-production-on-pistachio
#18
Fatemeh Siahmoshteh, Ilenia Siciliano, Houda Banani, Zohreh Hamidi-Esfahani, Mehdi Razzaghi-Abyaneh, Maria Lodovica Gullino, Davide Spadaro
Pistachio (Pistacia vera) is an important nut for its economic, nutritional and health aspects but it can be contaminated by aflatoxigenic fungi in the field and during storage. Biological control could be considered as an alternative to chemical treatment. In this study, we evaluated the antifungal and anti-mycotoxigenic capability of two Bacillus spp. both in vitro and on pistachio kernels. In in vitro conditions, both strains were able to reduce the mycelial growth and they were able to degrade the four aflatoxins during the first three days after inoculation...
May 15, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28530849/allergic-bronchopulmonary-aspergillosis-in-cystic-fibrosis-mr-imaging-of-airway-mucus-contrasts-as-a-tool-for-diagnosis
#19
Gaël Dournes, Patrick Berger, John Refait, Julie Macey, Stephanie Bui, Laurence Delhaes, Michel Montaudon, Olivier Corneloup, Jean-François Chateil, Roger Marthan, Michaël Fayon, François Laurent
Purpose To assess the diagnostic accuracy of mucus contrast characterization by using magnetic resonance (MR) imaging to discriminate allergic bronchopulmonary aspergillosis (ABPA) in cystic fibrosis (CF). Materials and Methods The study was approved by the local Ethics Committee, and all patients or their parents gave written informed consent. One hundred ten consecutive patients with CF were screened between January 2014 and July 2015. All patients underwent a non-contrast material-enhanced MR protocol that included routine T1-weighted and T2-weighted sequences...
May 22, 2017: Radiology
https://www.readbyqxmd.com/read/28530060/-the-truth-about-the-ringworm-affair
#20
REVIEW
Aya Bar Oz
Ringworm of the scalp (Tinea Capitis), a fungal skin ailment that appears on the scalp, was treated until the early sixties by radiation therapy. It was discovered during the seventies that radiation treatment for ringworm may be associated with a higher risk of cancerous and benign tumors in the head and neck area for patients undergoing treatment. In 1995, Israel enacted a law to compensate ringworm irradiation patients which provided monetary compensation for those who were treated between 1946 and 1960...
October 2016: Harefuah
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