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https://www.readbyqxmd.com/read/28102738/optimization-and-partial-characterization-of-intracellular-anticandidal-protein-from-aspergillus-giganteus-mtcc-8408-using-taguchi-doe
#1
Debashis Dutta, Mira Debnath Das
A new intracellular antifungal protein (afp) production with average molecular weight 24.3 kDa and yield of 0.65 ± 0.1 mg/gram dry cell weight (gdcw) of mycelia in submerged fermentation of Aspergillus giganteus MTCC 8408 was optimized. Taguchi's DOE (design of experiment) L27 orthogonal array (OA) was constructed using Qualitek-4 software with 8 most influensive factors namely, culture pH, temperature, slant age, inoculum volume, agitation and KH2PO4. Scanning electron microscopy (SEM) was used to correlate the effect of selected factors on fungal cell morphology and afp production...
January 19, 2017: Bioengineered
https://www.readbyqxmd.com/read/28101187/severe-pneumonia-due-to-infection-with-candida-krusei-in-a-case-of-suspected-middle-east-respiratory-syndrome-a-case-report-and-literature-review
#2
Mingming Tan, Junwei Wang, Peiyang Hu, Bin Wang, Wanghua Xu, Jiao Chen
Candida krusei (C. krusei) pneumonia is a rare infection that is frequently associated with a poor outcome. The present study reports an unusual case of C. krusei pneumonia that was initially suspected to be a Middle East respiratory syndrome (MERS) case. A 64-year-old Saudi Arabian male patient was admitted to our hospital with complaints of cough and dyspnea that persisted for 6 days. The patient presented fever (oral temperature, 38.5°C) and slight tachypnea (25 respirations/min). A chest computerized tomography demonstrated unclear lung fields, diffuse pathological changes in the two lungs and multiple lymphadenectasis in the retrocaval and para-aortic arch area...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28090315/chronic-mucocutaneous-candidiasis-disease-associated-with-inborn-errors-of-il-17-immunity
#3
REVIEW
Satoshi Okada, Anne Puel, Jean-Laurent Casanova, Masao Kobayashi
Chronic mucocutaneous candidiasis (CMC) is characterized by recurrent or persistent infections affecting the nails, skin and oral and genital mucosae caused by Candida spp., mainly Candida albicans. CMC is an infectious phenotype in patients with inherited or acquired T-cell deficiency. Patients with autosomal-dominant (AD) hyper IgE syndrome (HIES), AD signal transducer and activator of transcription 1 (STAT1) gain-of-function, autosomal-recessive (AR) deficiencies in interleukin (IL)-12 receptor β1 (IL-12Rβ1), IL-12p40, caspase recruitment domain-containing protein 9 (CARD9) or retinoic acid-related orphan receptor γT (RORγT) or AR autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) develop CMC as a major infectious phenotype that is categorized as Syndromic CMC...
December 2016: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28089325/ecology-of-the-oral-microbiome-beyond-bacteria
#4
REVIEW
Jonathon L Baker, Batbileg Bor, Melissa Agnello, Wenyuan Shi, Xuesong He
Although great strides have been made in understanding the complex bacterial community inhabiting the human oral cavity, for a variety of (mainly technical) reasons the ecological contributions of oral fungi, viruses, phages, and the candidate phyla radiation (CPR) group of ultrasmall bacteria have remained understudied. Several recent reports have illustrated the diversity and importance of these organisms in the oral cavity, while TM7x and Candida albicans have served as crucial paradigms for CPR species and oral fungi, respectively...
January 11, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28074638/clinical-management-of-candida-albicans-keratomycosis-in-a-bottlenose-dolphin-tursiops-truncatus
#5
Claire A Simeone, John P Traversi, Jenny M Meegan, Carolina LeBert, Carmen M H Colitz, Eric D Jensen
OBJECTIVE: Corneal ulceration secondary to trauma commonly affects marine mammals, often with opportunistic secondary bacterial or fungal infections. This report characterizes the combined use of auriculopalpebral and ophthalmic nerve blocks, adipose-derived stem cells, and subconjunctival injections for successful treatment of corneal trauma and infection in dolphins. ANIMAL STUDIED: An 11-year-old, female bottlenose dolphin (Tursiops truncatus) presented with bilateral diffuse corneal opacities, which progressed to keratomycosis caused by Candida albicans...
January 11, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28072890/candida-albicans-survival-growth-and-biofilm-formation-are-differently-affected-by-mouthwashes-an-in-vitro-study
#6
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 9, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28069658/scy-078-is-fungicidal-in-time-kill-studies-against-candida-species
#7
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/28066812/the-denture-associated-oral-microbiome-in-health-and-stomatitis
#8
Baochen Shi, Tingxi Wu, Jeffrey McLean, Anna Edlund, Youngik Young, Xuesong He, Hongyang Lv, Xuedong Zhou, Wenyuan Shi, Huiying Li, Renate Lux
While investigation of the microbiome on natural oral surfaces has generated a wealth of information, few studies have examined the microbial communities colonizing dentures and their relationship to oral health. To address this knowledge gap, we characterized the bacterial community associated with dentures and remaining teeth in healthy individuals and patients with denture stomatitis. The microbiome compositions of matched denture and tooth plaque samples of 10 healthy individuals and 9 stomatitis patients were determined by 16S rRNA gene pyrosequencing...
November 2016: MSphere
https://www.readbyqxmd.com/read/28063305/inhibitory-effects-of-lactobacillus-rhamnosus-and-lactobacillus-casei-on-candida-biofilm-of-denture-surface
#9
Young-Gyun Song, Sung-Hoon Lee
OBJECTIVE: Candida albicans biofilm is associated with denture-related stomatitis and oral candidiasis of elderly. Probiotics are beneficial bacteria and have antibacterial activity against pathogenic bacteria. The purpose of this study was to investigate the antifungal activity of various probiotics against C. albicans and the inhibitory effects of probiotics on Candida biofilm on the denture surface. DESIGN: The spent culture media of various probiotics were investigated the antifungal efficacy against C...
December 31, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/28050493/anti-microbial-efficacy-of-soursop-leaf-extract-annona-muricata-on-oral-pathogens-an-in-vitro-study
#10
Bh Mithun Pai, Gururagavendra Rajesh, Ramya Shenoy, Ashwini Rao
INTRODUCTION: Annona muricata also called as Soursop is a, flowering evergreen tree native to Mexico, Cuba, Central America and parts of India. The miracle tree as it is widely known as a natural cancer killer that is 10,000 times stronger than chemotherapy. Based on these miraculous claims, the leaves of these plants were used as an extract at varying concentrations as an antibacterial agent against oral pathogens. AIM: The aim of the study was to assess antimicrobial efficacy of Soursop leaf extarct (Annona muricata) on Streptococcus mutans, Streptococcus mitis, Porphyromonas gingivalis, Prevotella intermedia and Candida albicans using disc diffusion method...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28028395/microbiological-assessment-of-moringa-oleifera-extracts-and-its-incorporation-in-novel-dental-remedies-against-some-oral-pathogens
#11
Hanaa Elgamily, Amani Moussa, Asmaa Elboraey, Hoda El-Sayed, Marwa Al-Moghazy, Aboelfetoh Abdalla
AIM: To assess the antibacterial and antifungal potentials of different parts of Moringa oleifera plant using different extraction methods in attempts to formulate natural dental remedies from this plant. MATERIAL AND METHODS: Three solvents extracts (Ethanol, acetone, and ethyl acetate) of different parts of Egyptian Moringa tree were prepared and tested against oral pathogens: Staphylococcus aureus, Streptococcus mutans, and Candida albicans using disc diffusion method; As well as to incorporate the plant extract to formulate experimental toothpaste and mouthwash...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28018842/c-dubliniensis-in-an-immunocompetent-patient-with-metal-lingual-frenulum-piercing
#12
Gary Ventolini, Peihsuan Tsai, Lee David Moore
Candida spp. are opportunistic unicellular fungi, known to cause oral, vaginal, lung and occasionally systemic infections. Characteristically, they colonize the oral cavity, the mucosal surfaces of the cheek, palate, and tongue. Usually harmless, oral Candidas may become pathogenic under immunosuppressive conditions, dentures presence, or salivary flow impairment. Accurate species identification is important because C. dubliniensis can rapidly develop fluconazole resistance. We report C. dubliniensis in an immunocompetent patient with a metal lingual frenulum piercing...
December 2016: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28000306/filaggrin-gene-mutations-and-the-distribution-of-filaggrin-in-oral-mucosa-of-patients-with-oral-lichen-planus-and-healthy-controls
#13
K R Larsen, J D Johansen, J Reibel, C Zachariae, K Rosing, A M L Pedersen
BACKGROUND: Lichen planus (LP) is a chronic inflammatory disease of unknown etiology affecting the skin and oral mucosa. Oral lichenoid lesions (OLL), like oral contact reactions, may resemble oral lichen planus (OLP) both clinically and histopathologically. As OLP and OLL are hyperkeratotic diseases and filaggrin is essential to keratinization the distribution of filaggrin may be altered in these lesions. OBJECTIVES: To investigate if patients with OLP/OLL have 1) altered distribution of filaggrin in the oral mucosa, 2) a higher incidence of mutations in the filaggrin gene (FLG) and 3) active dermatoses, apart from cutaneous LP, than healthy controls; and 4) patients with OLP/OLL and a defect in the FLG have more widespread oral lesions and report more symptoms than OLP/OLL patients without a concomitant defect in the FLG...
December 21, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27999492/evaluation-of-denture-related-factors-predisposing-to-denture-stomatitis-in-a-lebanese-population
#14
Georges Aoun, Antoine Cassia
BACKGROUND: Denture stomatitis is a common fungal oral infection of multifactorial etiology. Denture-related factors such as denture's age, hygiene, night wearing and colonization by Candida albicans are known to predispose to denture stomatitis. The aim of this study was to evaluate these factors and their relationship with the occurrence of denture stomatitis in a Lebanese population. MATERIAL AND METHODS: Sixty patients (40 women, 20 men; age range 40-80 years) showing clinical evidence of denture-related stomatitis were selected for this study...
October 2016: Materia Socio-medica
https://www.readbyqxmd.com/read/27998866/-nosocomial-septicemia-in-the-early-stage-after-stem-cell-transplantation-in-children-with-major-%C3%AE-thalassemia
#15
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/27989711/oral-health-status-in-patients-with-acquired-brain-injury-a-systematic-review
#16
REVIEW
Mohit Kothari, Rajath Sasidharan Pillai, Simple Futarmal Kothari, Rubens Spin-Neto, Abhishek Kumar, Jørgen Feldbæk Nielsen
OBJECTIVE: To undertake a systematic review of the current knowledge and future perspectives regarding the status of various oral health factors, including social and behavioral aspects, in patients with acquired brain injury (ABI). STUDY DESIGN: A structured search strategy was applied to PubMed, Embase, and Scopus electronic databases until January 2016 to identify studies presenting assessments of the oral health status of patients afflicted with any kind of ABI...
November 11, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27987667/effect-of-preconditioning-cobalt-and-nickel-based-dental-alloys-with-bacillus-sp-extract-on-their-surface-physicochemical-properties-and-theoretical-prediction-of-candida-albicans-adhesion
#17
Mounyr Balouiri, Samira Bouhdid, Moulay Sadiki, Wessal Ouedrhiri, Hassan Barkai, Omar El Farricha, Saad Koraichi Ibnsouda, El Houssaine Harki
Biofilm formation on dental biomaterials is implicated in various oral health problems. Thus the challenge is to prevent the formation of this consortium of microorganisms using a safe approach such as antimicrobial and anti-adhesive natural products. Indeed, in the present study, the effects of an antifungal extract of Bacillus sp., isolated from plant rhizosphere, on the surface physicochemical properties of cobalt and nickel based dental alloys were studied using the contact angle measurements. Furthermore, in order to predict the adhesion of Candida albicans to the treated and untreated dental alloys, the total free energy of adhesion was calculated based on the extended Derjaguin-Landau-Verwey-Overbeek approach...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27987652/enhanced-antimicrobial-activities-of-silver-nanoparticle-decorated-reduced-graphene-nanocomposites-against-oral-pathogens
#18
Jian-Min Peng, Jia-Cheng Lin, Zhuo-Yu Chen, Meng-Chao Wei, Yuan-Xiang Fu, Shu-Shen Lu, Dong-Sheng Yu, Wei Zhao
As a means of capitalizing on the synergistic properties between reduced graphene nanosheets (R-GNs) and silver nanoparticles (AgNPs), an efficient and convenient chemical reduction method was used to prepare silver-nanoparticle-decorated reduced graphene nanocomposites (R-GNs/Ag). The products were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy, which confirmed the loading of well-dispersed silver nanoparticles on reduced graphene sheets...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27987307/prevalence-and-nature-of-fungi-in-root-canal-infections-a-systematic-review-and-meta-analysis
#19
REVIEW
I F Persoon, W Crielaard, A R Özok
The role of bacteria in causing apical periodontitis has been widely established, while the role of other microorganisms is studied less thoroughly. This systematic review and meta-analysis reviewed the literature for the prevalence and diversity of fungi in root canal infections. An extensive literature search was done in the Cochrane databases, EMBASE, MEDLINE, LILACS, SciELO and Web of Science. Additional studies were identified from six endodontic journals, four main endodontic textbooks and references of relevant papers...
December 17, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27965057/visible-light-enhances-the-antimicrobial-effect-of-some-essential-oils
#20
María Soledad Marqués-Calvo, Francesc Codony, Gemma Agustí, Carlos Lahera
The photodisinfection is a topical, broad spectrum antimicrobial technology, targeting bacteria, virus, fungi, and protozoa effective for single cells as for biofilms. Natural molecules have been studied less than synthetic agents in the process but they are currently receiving great interest. Therefore, the aim of this study is to evaluate for the first time if non-coherent blue and red light enhances the antimicrobial activity of some essential oils when standard strains for antibiotic or fungicide tests are enlightened in vitro...
December 10, 2016: Photodiagnosis and Photodynamic Therapy
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