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https://www.readbyqxmd.com/read/28319793/early-response-of-wheat-antioxidant-system-with-special-reference-to-fusarium-head-blight-stress
#1
Valentina Spanic, Marija Viljevac Vuletic, Ivan Abicic, Tihana Marcek
Fusarium head blight (FHB) is a destructive fungal disease of wheat (Triticum aestivum L.) that causes significant grain yield losses and end-use quality reduction associated with contamination by the mycotoxin deoxynivalenol (DON). Three winter wheat varieties ('Vulkan', 'Kraljica' and 'Golubica') were screened for FHB resistance using artificial inoculation technique under field conditions. The aim of this study was to examine a relationship between FHB resistance and the effectiveness of enzyme antioxidant system of wheat varieties under different sampling times (3, 15, 24, 48, 96, 120 and 336 hai)...
March 14, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28319414/preparation-and-characterization-of-zno-nanoparticles-coated-by-chitosan-linoleic-acid-fungal-growth-and-biofilm-assay
#2
S Barad, M Roudbary, A Nasrollahi Omran, M Porgham Daryasari
INTRODUCTION: This study has been carried out on reviewing the use of new synthetic component of zinc oxide nanoparticles (ZnO NPs) coated by Chitosan-linoleic acid (CS-LA) and to assess Minimum inhibitory concentration (MIC) of nanoparticles on clinical samples and biofilm formation in vitro. MATERIALS AND METHODS: At first the synthesized ZnO NPs coated by CS-LA were identified with X-ray powder diffraction (XRD), Scanning electron microscope (SEM), Transmission electron microscope (TEM) and Fourier Transform Infrared Spectroscopy analysis (FTIR)...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28318823/cutaneous-fungal-infections-in-solid-organ-transplant-recipients
#3
REVIEW
Muneeb Ilyas, Amit Sharma
Although there is an abundance of information on cutaneous malignancies in transplant recipients, information on cutaneous infections in solid organ transplant recipients is underrepresented in dermatologic and transplant literature. Our paper provides a comprehensive review of fungal cutaneous infections within the solid organ transplant population. We compiled literature specific to the solid organ transplant population, reviewing cutaneous manifestations owing to fungal infections. Furthermore, we discuss the diagnosis and treatment of such infections...
March 11, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28318747/ultra-fast-quantitation-of-voriconazole-in-human-plasma-by-coated-blade-spray-mass-spectrometry
#4
Marcos Tascon, Germán Augusto Gómez-Ríos, Nathaly Reyes-Garcés, Justen Poole, Ezel Boyacı, Janusz Pawliszyn
Voriconazole is a triazole broad-spectrum antifungal medication often used to treat fungal infections caused by Aspergillus and Fusarium species. One of the main challenges associated with the implementation of this medication is its narrow therapeutic concentration range, demonstrating toxicity at concentrations above 6μg/mL and limited efficacy at concentrations below 2μg/mL. As a result, methodologies which permit the rapid and accurate quantitation of voriconazole in patients are highly desirable. In this work two different approaches based on coated blade spray directly coupled to mass spectrometry (CBS-MS) are introduced; each enabling the quantitation of voriconazole in plasma samples with a simple and fast sample preparation and no chromatographic step...
March 12, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28318195/-serratia-infections-should-we-think-about-primary-immunodeficiencies
#5
Alicia Montaner Ramón, Laura Murillo Sanjuán, Cristina Martínez Faci, Carmelo Guerrero Laleona, Carmen Rodríguez-Vigil Iturrate
Chronic granulomatous disease (CGD) is a primary immunodeficiency with an incidence of 1/200,000-250,000 live births. CGD affects mainly male patients, most of the mutations being X-linked, and autosomal recessive forms occur more frequently in communities with greater numbers of consanguineous marriages. CGD is characterized by sensitivity to recurrent and severe bacterial and fungal infections, with formation of granulomas due to the inability of phagocytes to generate reactive oxygen compounds, necessary for the intracellular death of phagocytic microorganisms...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28318040/clinical-and-laboratory-characteristics-of-a-tinea-capitis-outbreak-among-novice-buddhist-monks
#6
Sumanas Bunyaratavej, Charussri Leeyaphan, Chuda Rujitharanawong, Chanai Muanprasat, Lalita Matthapan
Sixty novice Buddhist monks with tinea capitis confirmed according to clinical presentation and mycological laboratory finding were included in this study. Mixed-type clinical presentation was observed in approximately half of all cases, together with scarring alopecia (95%) and superficial fungal skin infection at locations other than the scalp (43.3%). The major isolated organism was Trichophyton violaceum, and mixed-organism infection was found in 27 cases (45%). Slow-onset presentation and an extensive area of infection were significantly associated with mixed-type clinical presentation...
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28317770/characterization-enhancement-and-modelling-of-mannosylerythritol-lipid-production-by-fungal-endophyte-ceriporia-lacerate-chzju
#7
Yongwu Niu, Linlin Fan, Di Gu, Jianan Wu, Qihe Chen
The glycolipid biosurfactants mannosylerythritol lipids (MELs) attract great attention for their biodegradability, super emulsifying properties and versatile bioactivities. In this study, the MEL deriving from Ceriporia lacerate CHZJU was identified as MEL-A, and its critical micelle concentration and emulsifying activities were assessed. To examine the production of MELs from Ceriporia lacerate, a Plackett-Burman design and response surface methodology were used to optimize the culture nutrients. The optimal medium contains 1g/L yeast extract, 1...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317569/oral-fungal-infections-diagnosis-and-management
#8
REVIEW
David R Telles, Niraj Karki, Michael W Marshall
Oral and maxillofacial fungal infections can appear in high-risk patients, including those immunocompromised. This article explores common oral manifestations of fungal infections in the oral cavity as primary lesions or as a result of disseminated disease. By far the most common oral fungal infection experienced in dentistry is oral candidiasis, which is reviewed in depth from simple oral infections to invasive candidiasis. The review aids the dental practitioner in understanding the full scope of Candida infections and other fungal infections...
April 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28317545/phylogeny-and-pathogenicity-of-lasiodiplodia-species-associated-with-dieback-of-mango-in-peru
#9
Edgar Rodríguez-Gálvez, Pakita Guerrero, Carla Barradas, Pedro W Crous, Artur Alves
Mango, which is an important tropical fruit crop in the region of Piura (Peru), is known to be prone to a range of diseases caused by Lasiodiplodia spp. The aim of this study was to evaluate the incidence and prevalence of mango dieback in the region of Piura, and to identify the species of Lasiodiplodia associated with the disease and evaluate their pathogenicity towards mango. Mango dieback was present in all orchards surveyed but incidence varied with location. Identification of fungal isolates was based on morphological and cultural characteristics as well as sequence data of the rDNA internal transcribed spacer region (ITS) and translation elongation factor 1-alpha gene (tef1-α)...
April 2017: Fungal Biology
https://www.readbyqxmd.com/read/28317540/endophytic-botryosphaeriaceae-including-five-new-species-associated-with-mangrove-trees-in-south-africa
#10
J Alexander Osorio, Casparus J Crous, Z Wilhelm de Beer, Michael J Wingfield, Jolanda Roux
Little is known regarding the fungi, especially fungal pathogens, associated with mangroves in Africa. This includes fungi in the Botryosphaeriaceae that comprise numerous opportunistic, stress-associated pathogens often associated with trees affected by environmental and anthropogenically generated stresses, such as those affecting mangroves. We investigated the occurrence of endophytic Botryosphaeriaceae along the entire distribution of mangroves in South Africa. Asymptomatic branches were collected from ten localities and six mangrove species...
April 2017: Fungal Biology
https://www.readbyqxmd.com/read/28317537/diversity-in-the-botryosphaeriales-looking-back-looking-forward
#11
REVIEW
Bernard Slippers, Pedro Willem Crous, Fahimeh Jami, Johannes Zacharias Groenewald, Michael John Wingfield
The Botryosphaeriales are amongst the most widespread, common and important fungal pathogens of woody plants. Many are also known to exist as endophytes in healthy plant tissues. This special issue highlights a number of key themes in the study of this group of fungi. In particular, there have been dramatic taxonomic changes over the past decade; from one family to nine (including two in this special issue) and from 10 to 33 genera known from culture. It is also clear from many studies that neither morphology nor single locus sequence data are sufficient to define taxa...
April 2017: Fungal Biology
https://www.readbyqxmd.com/read/28317266/insect-immunity-varies-idiosyncratically-during-overwintering
#12
Laura V Ferguson, Brent J Sinclair
Overwintering insects face multiple stressors, including pathogen and parasite pressures that shift with seasons. However, we know little of how the insect immune system fluctuates with season, particularly in the overwintering period. To understand how immune activity changes across autumn, winter, and spring, we tracked immune activity of three temperate insects that overwinter as larvae: a weevil (Curculio sp., Coleoptera), gallfly (Eurosta solidaginis, Diptera), and larvae of the lepidopteran Pyrrharctia isabella...
March 20, 2017: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/28317257/top-down-control-of-carbon-sequestration-grazing-affects-microbial-structure-and-function-in-salt-marsh-soils
#13
Peter Mueller, Dirk Granse, Stefanie Nolte, Hai Thi Do, Magdalena Weingartner, Stefan Hoth, Kai Jensen
Tidal wetlands have been increasingly recognized as long-term carbon sinks in recent years. Work on carbon sequestration and decomposition processes in tidal wetlands focused so far mainly on effects of global-change factors such as sea-level rise and increasing temperatures. However, little is known about effects of land use, such as livestock grazing, on organic matter decomposition and ultimately carbon sequestration. The present work aims at understanding the mechanisms by which large herbivores can affect organic matter decomposition in tidal wetlands...
March 20, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28317065/interactions-of-arbuscular-mycorrhizal-and-endophytic-fungi-improve-seedling-survival-and-growth-in-post-mining-waste
#14
Katarzyna Wężowicz, Piotr Rozpądek, Katarzyna Turnau
The impact of fungal endophytes and the modulating role of arbuscular mycorrhizal fungi (AMF) on the vitality of Verbascum lychnitis, grown in the laboratory in a substratum from a post-mining waste dump was investigated. We report that inoculation with a single endophyte negatively affected the survival rate and biomass production of most of the plant-endophyte consortia examined. The introduction of arbuscular mycorrhiza fungi into this setup (dual inoculation) had a beneficial effect on both biomass yield and survivability...
March 20, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28317025/marker-recycling-in-candida-albicans-through-crispr-cas9-induced-marker-excision
#15
Manning Y Huang, Aaron P Mitchell
We describe here a new approach to marker recycling, a controlled sequence of steps in which a genetic marker is selected and then lost. Marker recycling is important for genetic manipulation, because it allows a single selection marker to be used repeatedly. Our approach relies upon the ability of the CRISPR-Cas9 system to make a targeted double-strand break in DNA and the expectation that a double-strand break within a selection marker may promote recombination between directly repeated sequences that flank the marker...
March 2017: MSphere
https://www.readbyqxmd.com/read/28316936/granulomatous-inflammation-of-the-penis-and-scrotum-following-application-of-topical-cream
#16
Amir Ishaq Khan, Akanksha Mehta, Aarti Sekhar, Carla L Ellis
Granulomas are collections of histiocytes that develop as an inflammatory response to bacterial and fungal infections, as well as foreign substances. We discuss here the case of a 49-year-old male who presented with a penile and scrotal mass with granulomatous inflammation, after application of a topical cream for enhancement of erectile function. While granuloma formation can often be seen with penile injections, this case presents the rare development of a foreign body granuloma after topical cream application on the penis and scrotum...
May 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28316260/animal-physiology-and-genetic-aspects-of-ryegrass-staggers-in-grazing-sheep
#17
C A Morris, T T Wheeler, H V Henderson, N R Towers, S H Phua
Ryegrass staggers (RGS) is a metabolic disease of herbivores, caused by the ingestion of perennial ryegrass (Lolium perenne L.) containing a fungal endophyte (Neotyphodium lolii) which produces a tremorgenic toxin, lolitrem B. RGS has a major economic impact for agriculture in New Zealand as well as internationally. Management of RGS in grazing sheep can be problematic, and there is an incomplete knowledge of the interaction between the toxin and the grazing animal. This review is focused on recent advances in understanding the molecular physiology of RGS in the affected animal as well as the influence of animal genetics on the degree of susceptibility to RGS...
March 19, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28316109/airway-inflammation-and-symptoms-in-children-following-liver-and-heart-transplantation
#18
Andrew J Redmann, John C Bucuvalas, Robert E Wood, Clifford Chin, Catherine K Hart
OBJECTIVES: Describe the upper airway endoscopic findings of children with upper airway symptoms after liver transplantation (LT) or heart transplantation (HT). METHODS: Review of children undergoing airway endoscopy after LT or HT from 2011 to 2015 at a tertiary care pediatric hospital. Airway findings, biopsy results, immunosuppression and Ebstein Barr virus (EBV) levels were recorded. RESULTS: Twenty-three of 158 LT (111) and HT (47) recipients underwent endoscopy...
March 18, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28315955/symbiosis-with-systemic-fungal-endophytes-promotes-host-escape-from-vector-borne-disease
#19
L I Perez, P E Gundel, H J Marrero, A González Arzac, M Omacini
Plants interact with a myriad of microorganisms that modulate their interactions within the community. A well-described example is the symbiosis between grasses and Epichloë fungal endophytes that protects host plants from herbivores. It is suggested that these symbionts could play a protective role for plants against pathogens through the regulation of their growth and development and/or the induction of host defences. However, other endophyte-mediated ecological mechanisms involved in disease avoidance have been scarcely explored...
March 18, 2017: Oecologia
https://www.readbyqxmd.com/read/28315405/location-and-functional-analysis-of-the-aspergillus-nidulans-aurora-kinase-confirm-mitotic-functions-and-suggest-non-mitotic-roles
#20
Colin P De Souza, Shahr B Hashmi, Natalie Hage, Rebecca M Fitch, Aysha H Osmani, Stephen A Osmani
Filamentous fungi have devastating negative impacts as pathogens and agents of food spoilage but also have critical ecological importance and are utilized for industrial applications. The characteristic multinucleate nature of filamentous fungi is facilitated by limiting if, when and where septation, the fungal equivalent of cytokinesis, occurs. In the model filamentous fungus Aspergillus nidulans septation does not occur immediately after mitosis and is an incomplete process resulting in the formation of a septal pore whose permeability is cell cycle regulated...
March 14, 2017: Fungal Genetics and Biology: FG & B
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