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https://www.readbyqxmd.com/read/29457695/functionalization-of-a-nanostructured-hydroxyapatite-with-copper-ii-compounds-as-pesticide-in-situ-tem-and-esem-observations-of-treated-vitis-vinifera-l-leaves
#1
Enrico Battiston, Maria C Salvatici, Alessandro Lavacchi, Antonietta Gatti, Stefano Di Marco, Laura Mugnai
BACKGROUND: The present study evaluates a biocompatible material for plant protection to reduce the amount of active substance applied. We used a synthetic hydroxyapatite (HA) that has been studied extensively due its bioactivity and biocompatibility. Aggregation between HA nanoparticles and four copper(II) compounds applied in Vitis vinifera L. leaves as pesticide was studied. Formulations were characterised by XRD, DLS, electron microscopy and applied in planta to verify the particle aggregation and efficiency in controlling the pathogen, Plasmopara viticola...
February 19, 2018: Pest Management Science
https://www.readbyqxmd.com/read/29456961/rhinoorbitocerebral-mucormycosis-with-maggots-in-a-neglected-diabetic-patient
#2
Vivek Kumar Pathak, Rohit Saxena, Sanjeev Awasthi, Sushil Gaur, Sunil Kumar Singh
Mucormycosis is a rare opportunistic fungal infection in immunocompromised patients, Rhizopus species are most common, sometimes mucormycosis can be life threatening we report a case of rhinoorbitocerebral mucormycosis a patient with diabetic ketoacidosis secondarily infected by maggots with altered consciousness and metabolic decompensation.
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29456673/full-thickness-conjunctival-flap-covering-surgery-combined-with-amniotic-membrane-transplantation-for-severe-fungal-keratitis
#3
Jing Zhong, Bowen Wang, Saiqun Li, Yuqing Deng, Haixiang Huang, Ling Chen, Jin Yuan
Fungal keratitis is a severe and common ocular infectious disease. The present study evaluated the efficiency of full-thickness conjunctival flap covering surgery with amniotic membrane transplantation (FCCS + AMT) as a transitional surgery for severe fungal keratitis. A total of 17 patients with severe fungal keratitis without corneal perforation underwent FCCS + AMT between January 2010 and December 2015. The pathogenic factors, preoperative diagnosis and postoperative prognosis of FCCS + AMT at 3 months were evaluated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456643/multiple-brain-abscesses-caused-by-infection-with-candida-glabrata-a-case-report
#4
Zifeng Zhu, Zhehao Huang, Zhenshengnan Li, Xianglan Li, Chao Du, Yu Tian
The present case report described the initial diagnosis of a 25-year old female with a brain abscess consisting of two lesions 0.2 and 2.9 cm3 in volume. The patient was initially treated with antibiotics; however, 2 months following initial treatment, the patient's condition deteriorated and she became vegetative. Following transfer to the China-Japan Union Hospital of Jilin University (Jilin, China) the two lesions had grown in volume to 9.0 and 13.0 cm3 , respectively. The results of magnetic resonance spectroscopy and plasma 1-3-β-D-glucan activity suggested a possible fungal infection...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456549/global-dna-methylation-in-the-chestnut-blight-fungus-cryphonectria-parasitica-and-genome-wide-changes-in-dna-methylation-accompanied-with-sectorization
#5
Kum-Kang So, Yo-Han Ko, Jeesun Chun, Jyotiranjan Bal, Junhyun Jeon, Jung-Mi Kim, Jaeyoung Choi, Yong-Hwan Lee, Jin Hoe Huh, Dae-Hyuk Kim
Mutation in CpBck1 , an ortholog of the cell wall integrity mitogen-activated protein kinase kinase kinase (MAPKKK) of Saccharomyces cerevisiae , in the chestnut blight fungus Cryphonectria parasitica resulted in a sporadic sectorization as culture proceeded. The progeny from the sectored area maintained the characteristics of the sector, showing a massive morphogenetic change, including robust mycelial growth without differentiation. Epigenetic changes were investigated as the genetic mechanism underlying this sectorization...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29456275/antimicrobial-packaging-based-on-%C3%A9-polylysine-bioactive-film-for-the-control-of-mycotoxigenic-fungi-in-vitro-and-in-bread
#6
C Luz, J Calpe, F Saladino, Fernando B Luciano, M Fernandez-Franzón, J Mañes, G Meca
ɛ-Poly-l-lysine (ɛ-PL) is a cationic peptide with a broad-spectrum antimicrobial activity. This study investigates the use of ɛ-PL as natural antimicrobial to inhibit fungal growth and to reduce aflatoxins (AFs) production. Antifungal activity of starch biofilms with different concentrations of ɛ-Poly-l-lysine (ɛ-PL) was determined in solid medium against Aspergillus parasiticus (AFs producer) and Penicillium expansum . Then, biofilms were tested as antimicrobial devices for the preservation of bread loaf inoculated with A...
January 2018: Journal of Food Processing and Preservation
https://www.readbyqxmd.com/read/29456212/the-epidemiology-of-acute-peritonitis-in-end-stage-renal-disease-patients-on-peritoneal-dialysis-in-qatar-an-8-year-follow-up-study
#7
Abdullah Hamad, Hany Ismail, Mohamed Elsayed, Ahmad Kaddourah, Hanaa Ahmed, Rania Ibrahim, Ahlam Ali, Fadwa Alali
Acute peritonitis (AP) is a common and devastating complication in end-stage renal disease patients on peritoneal dialysis (PD). We are reporting an epidemiologic study of AP in Qatar over 8-year follow-up. We retrospectively reviewed medical records of all PD patients in Qatar from 2007 to 2014. The analysis was conducted to report epidemiology, outcome, and associated risk factors of AP. We had 318 AP episodes in 180 patients between 2007 and 2014. Six (3.3%) patients died as a result AP. Six cases of fungal peritonitis were reported...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29455837/benzoxazole-alkaloids-occurrence-chemistry-and-biology
#8
Sitaram Pal, Bhanu Manjunath, Sujit Ghorai, Swarnendu Sasmal
Benzoxazole alkaloids exhibit a diverse array of structures and interesting biological activities. In spite of the extensive research done on the synthesis and biology, till date there is no concise update on this class of alkaloids. This chapter summarizes the literature on benzoxazole alkaloids till March 2017, which covers their isolation, characterization, possible biosynthetic origins, biological activities, and major synthetic approaches. These alkaloids have been broadly classified in the context of their sources, namely (i) fungal origin, (ii) marine origin, and (iii) plant origin...
2018: Alkaloids. Chemistry and Biology
https://www.readbyqxmd.com/read/29455353/lethal-and-sub-lethal-effects-of-cyproconazole-on-freshwater-organisms-a-case-study-with-chironomus-riparius-and-dugesia-tigrina
#9
Althiéris S Saraiva, Renato A Sarmento, Oksana Golovko, Tomas Randak, João L T Pestana, Amadeu M V M Soares
The fungicide cyproconazole (CPZ) inhibits the biosynthesis of ergosterol, an essential sterol component in fungal cell membrane and can also affect non-target organisms by its inhibitory effects on P450 monooxygenases. The predicted environmental concentration of CPZ is up to 49.05 μg/L and 145.89 μg/kg in surface waters and sediments, respectively, and information about CPZ toxicity towards non-target aquatic organisms is still limited. This study aimed to address the lack of ecotoxicological data for CPZ, and thus, an evaluation of the lethal and sub-lethal effects of CPZ was performed using two freshwater invertebrates (the midge Chironomus riparius and the planarian Dugesia tigrina)...
February 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29455343/the-first-isolation-of-westerdykella-dispersa-in-a-critically-burned-patient
#10
Bretislav Lipovy, Iva Kocmanova, Jakub Holoubek, Marketa Hanslianova, Matej Bezdicek, Hana Rihova, Ivan Suchanek, Pavel Brychta
Patients with critical thermal trauma belong to one of the most high-risk groups for development of infectious complications. Fungal infections are not among frequent complications during therapy of patients with thermal trauma, yet their incidence dramatically aggravates the prognosis for patients with this disorder. In the case report, we present the case of a young man with a critical burn, where Westerdykella dispersa was isolated. Identification of the pathogen was provided with a combination of cultivation and molecular biological confirmation...
February 17, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29455336/utilization-of-organic-nitrogen-by-arbuscular-mycorrhizal-fungi-is-there-a-specific-role-for-protists-and-ammonia-oxidizers
#11
Petra Bukovská, Michael Bonkowski, Tereza Konvalinková, Olena Beskid, Martina Hujslová, David Püschel, Veronika Řezáčová, María Semiramis Gutiérrez-Núñez, Milan Gryndler, Jan Jansa
Arbuscular mycorrhizal (AM) fungi can significantly contribute to plant nitrogen (N) uptake from complex organic sources, most likely in concert with activity of soil saprotrophs and other microbes releasing and transforming the N bound in organic forms. Here, we tested whether AM fungus (Rhizophagus irregularis) extraradical hyphal networks showed any preferences towards certain forms of organic N (chitin of fungal or crustacean origin, DNA, clover biomass, or albumin) administered in spatially discrete patches, and how the presence of AM fungal hyphae affected other microbes...
February 17, 2018: Mycorrhiza
https://www.readbyqxmd.com/read/29455149/influence-of-process-variables-in-a-continuous-treatment-of-non-sterile-hospital-wastewater-by-trametes-versicolor-and-novel-method-for-inoculum-production
#12
Josep Anton Mir-Tutusaus, Glòria Caminal, Montserrat Sarrà
Micropollutants such as pharmaceutical active compounds, present at high concentration in hospital wastewater (HWW), pose both environmental and human health challenges. Fungal reactors can effectively remove such contaminants and produce non-toxic effluents, but their ability to operate for a long period of time is yet to be demonstrated in real hospital wastewater. Several process variables need to be studied beforehand. Here, variables: pellet size, aeration and carbon-to-nitrogen ratio are studied in continuous operations with real HWW...
February 15, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29454849/escmid-study-group-for-infections-in-compromised-hosts-esgich-consensus-document-on-the-safety-of-targeted-and-biological-therapies-an-infectious-diseases-perspective-intracellular-signaling-pathways-tyrosine-kinase-and-mtor-inhibitors
#13
REVIEW
Mark Reinwald, Jose T Silva, Nicolas J Mueller, Jesús Fortún, Christian Garzoni, Johan W de Fijter, Mario Fernández-Ruiz, Paolo Grossi, Jose María Aguado
BACKGROUND: The present review is part of the ESCMID Study Group for Infections in Compromised Hosts (ESGICH) Consensus Document on the safety of targeted and biological therapies. AIMS: To review, from an Infectious Diseases perspective, the safety profile of therapies targeting different intracellular signaling pathways and to suggest preventive recommendations. SOURCES: Computer-based MEDLINE searches with MeSH terms pertaining to each agent or therapeutic family...
February 15, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29454844/the-epidemiology-of-febrile-illness-in-sub-saharan-africa-implications-for-diagnosis-and-management
#14
REVIEW
Michael J Maze, Quique Bassat, Nicholas A Feasey, Inácio Mandomando, Patrick Musicha, John A Crump
BACKGROUND: Fever is among the most common symptoms of people living in Africa, and clinicians are challenged by the similar clinical features of a wide spectrum of potential aetiologies. AIM: To summarise recent studies of fever aetiology in sub-Saharan Africa focusing on causes other than malaria. SOURCES: A narrative literature review by searching the MEDLINE database, and recent conference abstracts. CONTENT: Studies of multiple potential causes of fever are scarce, and for many participants the infecting organism remains unidentified, or multiple co-infecting microorganisms are identified, and establishing causation is challenging...
February 15, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29454824/candida-albicans-biology-molecular-characterization-pathogenicity-and-advances-in-diagnosis-and-control-an-update
#15
REVIEW
Maryam Dadar, Ruchi Tiwari, Kumaragurubaran Karthik, Sandip Chakraborty, Youcef Shahali, Kuldeep Dhama
Candida albicans is an emerging multidrug-resistant fungal pathogen representing an important source of invasive disease in humans and generating high healthcare costs worldwide. This fungus is frequently found in different anatomical sites of healthy persons and could induce systemic and superficial infections under optimal environmental conditions. Invasive candidiasis (IC) is an important nosocomial infection with high morbidity and mortality rates in hospitalized children. It represents a major source of prolonged infections in intensive care unit (ICU), particularly in immunosuppressed or elderly patients...
February 15, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29454652/rapid-one-step-extraction-method-for-the-identification-of-molds-using-maldi-tof-ms
#16
Paul M Luethy, Adrian M Zelazny
Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) has revolutionized fungal identification. Previously, we developed a MALDI-TOF MS mold extraction procedure and comprehensive database. While MALDI-TOF MS has become routine in a few laboratories, it has not yet become widespread. A major obstacle is the lack of a simple, reproducible and uniform protein extraction procedure. In this study, we developed and validated a rapid one-step protein extraction protocol for filamentous fungi...
February 2, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29454335/earliella-scabrosa-associated-postoperative-endophthalmitis-after-phacoemulsification-with-intraocular-lens-implantation-a-case-report
#17
Hong He, Xiaolian Chen, Hongshan Liu, Jiaochan Wu, Xingwu Zhong
BACKGROUND: Postoperative endophthalmitis after cataract surgery is a severe eye infection that can lead to irreversible blindness in the affected eye. The characteristics, treatment and prognosis of this disease vary because of its association with different pathogens. Here, we report what is possibly the first case of endophthalmitis after cataract surgery to be associated with the rare pathogen Earliella scabrosa. CASE PRESENTATION: A 56-year-old man from Hainan Island (China) with a history of phacoemulsification and type II diabetes mellitus underwent intraocular lens (IOL) implantation...
February 17, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29454191/show-me-the-way-rust-effector-targets-in-heterologous-plant-systems
#18
REVIEW
Cécile Lorrain, Benjamin Petre, Sébastien Duplessis
For years, the study of rust fungal effectors has been impeded by the lack of molecular genetic tools in rust pathosystems. The recent use of heterologous plants to perform effector screens (effectoromics)-including effector localisation (cellular targets) and protein interactors (molecular targets) in plant cells-has changed the game. These screens revealed that many candidate effectors from various rust fungi target specific plant cell compartments, including chloroplasts, and associate with specific plant protein complexes...
February 14, 2018: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29454183/the-fine-balance-between-mutualism-and-antagonism-in-the-epichlo%C3%A3-festucae-grass-symbiotic-interaction
#19
REVIEW
Barry Scott, Kimberly Green, Daniel Berry
Epichloë endophytes form mutualistic symbiotic associations with aerial tissues of temperate grasses. Intercalary growth of hyphae within the leaves enables fungal growth to be synchronized with host leaf growth, leading to formation of a highly structured and tightly regulated symbiotic network. Mutations in fungal genes that disrupt cell-cell fusion and other key signalling pathways lead to an antagonistic interaction characterized by unregulated growth of endophytic hyphae and detrimental effects on host growth...
February 14, 2018: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/29454181/brainstem-dysfunction-heralding-disseminated-cryptococcosis
#20
Prachaya Srivanitchapoom, Yuvadee Pitakpatapee, Panitta Sitthinamsuwan, Sith Sathornsumetee
Cryptococcal meningoencephalitis is one of the most common central nervous system infections affecting immunocompromised patients. However, brainstem involvement is extremely rare and may represent a diagnostic challenge to clinicians. We report a non-HIV infected, chronically immunosuppressed, patient with fatal disseminated cryptococcosis presented with subcutaneous masses at both thighs and progressive brainstem dysfunction. Magnetic resonance imaging demonstrated multiple brainstem infarcts likely derived from small vessel vasculopathy...
February 12, 2018: Clinical Neurology and Neurosurgery
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