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https://www.readbyqxmd.com/read/28803054/decolorization-of-reactive-azo-dyes-using-a-sequential-chemical-and-activated-sludge-treatment
#1
Ken Meerbergen, Sam Crauwels, Kris A Willems, Raf Dewil, Jan Van Impe, Lise Appels, Bart Lievens
Textile wastewater contains high concentrations of organic substances derived from diverse dyes and auxiliary chemicals, some of which are non-biodegradable and/or toxic. Therefore, it is essential that textile wastewater is treated and that these substances are removed before being discharged into the environment. A combination of advanced oxidation processes (AOPs) to obtain partial dye degradation followed by a biological treatment has been suggested as a promising method for cost-effective decolorization of wastewater...
August 9, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28799153/-fungi-in-the-gut-the-gut-mycobiome
#2
Herbert Hof
Many different fungi, including yeasts and molds, can be found in the intestinal tract of humans constituting the gut mycobiome. In case the bacterial flora is altered, the fungal flora may react inversely. By a so-called fungal diet, however, the composition of the mycobiome can hardly be influenced. Whereas some fungi are only transiently present in the gut after oral uptake, others, such as Candida, Saccharomyces, Rhodotorula, Trichosporon, Geotrichum, amongst others, are members of the residential, autochthonous gut flora...
August 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28794959/cutaneous-lesions-due-to-trichosporon-jirovecii-in-a-tortoise-testudo-hermanni
#3
Simona Nardoni, Marco Salvadori, Alessandro Poli, Guido Rocchigiani, Francesca Mancianti
Cutaneous mycoses have been rarely reported in Chelonians. A Testudo hermanni adult male showed a thick erosion of the dorsal neck covered by necrotic material. Trichosporon sp. was cultivated, while arthrospores and hyphae were observed in histological sections. The causative agent was identified as Trichosporon jirovecii by PCR. After a surgical intervention povidone iodine and Iruxol® ointment were daily administered through the drainage for 2 weeks, along with enrofloxacin 5 mg diluted in saline 0.5 ml via the intracelomatic route...
December 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28790984/acidotolerant-bacteria-and-fungi-as-a-sink-of-methanol-derived-carbon-in-a-deciduous-forest-soil
#4
Mareen Morawe, Henrike Hoeke, Dirk K Wissenbach, Guillaume Lentendu, Tesfaye Wubet, Eileen Kröber, Steffen Kolb
Methanol is an abundant atmospheric volatile organic compound that is released from both living and decaying plant material. In forest and other aerated soils, methanol can be consumed by methanol-utilizing microorganisms that constitute a known terrestrial sink. However, the environmental factors that drive the biodiversity of such methanol-utilizers have been hardly resolved. Soil-derived isolates of methanol-utilizers can also often assimilate multicarbon compounds as alternative substrates. Here, we conducted a comparative DNA stable isotope probing experiment under methylotrophic (only [(13)C1]-methanol was supplemented) and combined substrate conditions ([(12)C1]-methanol and alternative multi-carbon [(13)Cu]-substrates were simultaneously supplemented) to (i) identify methanol-utilizing microorganisms of a deciduous forest soil (European beech dominated temperate forest in Germany), (ii) assess their substrate range in the soil environment, and (iii) evaluate their trophic links to other soil microorganisms...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28771577/a-survey-of-the-mycobiota-associated-with-larvae-of-the-black-soldier-fly-hermetia-illucens-reared-for-feed-production
#5
Ilaria Varotto Boccazzi, Matteo Ottoboni, Elena Martin, Francesco Comandatore, Lisa Vallone, Thomas Spranghers, Mia Eeckhout, Valeria Mereghetti, Luciano Pinotti, Sara Epis
Feed security, feed quality and issues surrounding the safety of raw materials are always of interest to all livestock farmers, feed manufacturers and competent authorities. These concerns are even more important when alternative feed ingredients, new product developments and innovative feeding trends, like insect-meals, are considered. The black soldier fly (Hermetia illucens) is considered a good candidate to be used as feed ingredient for aquaculture and other farm animals, mainly as an alternative protein source...
2017: PloS One
https://www.readbyqxmd.com/read/28720316/pigeons-and-their-droppings-as-reservoirs-of-candida-and-other-zoonotic-yeasts
#6
Inmaculada Rosario Medina, Lorena Román Fuentes, Miguel Batista Arteaga, Fernando Real Valcárcel, Félix Acosta Arbelo, Daniel Padilla Del Castillo, Soraya Déniz Suárez, Otilia Ferrer Quintana, Belinda Vega Gutiérrez, Freddy Silva Sergent, Begoña Acosta-Hernández
BACKGROUND: The importance of pigeons as reservoirs and carriers of Cryptococcus neoformans and other species of this genus is well-known; however, less is known about their role as reservoirs and carriers of other yeasts that impact public health. AIMS: The present study was performed on Gran Canaria Island to define yeasts other than Cryptococcus spp. that have been reported to impact public health and which could be carried by pigeons. METHODS: Samples were obtained from 83 pigeon lofts (Columba livia); moreover, 331 crop samples, 331 cloacal samples and 174 dropping samples were collected...
July 15, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28695994/comparative-efficacy-of-bentonite-clay-activated-charcoal-and-trichosporon-mycotoxinivorans-in-regulating-the-feed-to-tissue-transfer-of-mycotoxins
#7
Sheraz Ahmed Bhatti, Muhammad Zargham Khan, Zahoor Ul Hassan, Muhammad Kashif Saleemi, Muhammad Saqib, Aisha Khatoon, Masood Akhter
BACKGROUND: Mycotoxins contamination in animal products and by-product is a persistent threat to food and feed industry. The present study was designed to evaluate the comparative inhibitory effects of bentonite (BN), activated charcoal (AC) and a newly discovered yeast Trichosporon mycotoxinivorans (TM) against feed-to-tissue transfer of mycotoxins. RESULTS: A dose dependent increase as determined by HPLC, in the residues of AFB1 and OTA was exhibited in the groups of birds fed AFB1 and OTA alone...
July 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28666148/corn-bran-bioprocessing-development-of-an-integrated-process-for-microbial-lipids-production
#8
Jung-Eun Lee, Praveen V Vadlani, Jon Faubion
This study investigated the potential of corn bran as a feedstock for microbial lipid production using oleaginous yeast, Trichosporon oleaginosus ATCC20509. Different conditions (solid loading of biomass, acid loading, and pretreatment duration) were applied to optimize pretreatment processes using the Box-Behnken design. The highest sugar yield of 0.53g/g was obtained from corn bran hydrolysates at a pretreatment condition of 5% solid loading and 1% acid loading for 30min. Compared with synthetic media, up to 50% higher lipid accumulations in T...
June 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28663328/comparative-evaluation-of-six-chromogenic-media-for-presumptive-yeast-identification
#9
Alessandra Vecchione, Walter Florio, Francesco Celandroni, Simona Barnini, Antonella Lupetti, Emilia Ghelardi
AIMS: The present study was undertaken to evaluate the discrimination ability of six chromogenic media in presumptive yeast identification. METHODS: We analysed 108 clinical isolates and reference strains belonging to eight different species: Candida albicans,Candida dubliniensis, Candida tropicalis, Candida krusei, Candida glabrata, Candida parapsilosis,Candida lusitaniae and Trichosporon mucoides. RESULTS: C. albicans, C. tropicalis and C...
June 29, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28662427/oral-mycoses-in-avian-scavengers-exposed-to-antibiotics-from-livestock-farming
#10
Aida Pitarch, Concha Gil, Guillermo Blanco
The exposure to antimicrobial pharmaceuticals as environmental contaminants can exert direct and indirect detrimental effects on health of wildlife. Fungal infections pose a major threat to domestic, captive-housed wild and free-ranging wild animals worldwide. However, little is known about their role in disease in birds in the wild. Here, we evaluated the incidence of thrush-like lesions in the oral cavity of wild nestling cinereous vultures (Aegypius monachus), griffon vultures (Gyps fulvus), Egyptian vultures (Neophron percnopterus) and golden eagles (Aquila chrysaetos) exposed to veterinary antibiotics via the consumption of medicated livestock carcasses...
June 26, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28636483/lumping-kinetics-of-abe-fermentation-wastewater-treatment-by-oleaginous-yeast-trichosporon-cutaneum
#11
Can Wang, Chao Huang, Xue-Fang Chen, Hai-Rong Zhang, Lian Xiong, Xiao-Mei Li, Hai-Jun Guo, Gao-Xiang Qi, Xiao-Qing Lin, Xin-De Chen
Lumping kinetics models were built for the biological treatment of ABE (acetone-butanol-ethanol) fermentation wastewater by oleaginous yeast Trichosporon cutaneum with different fermentation temperatures. Compared with high temperature (33°C, 306 K) and low temperature (23°C, 296 K), medium temperature (28°C, 301 K) was beneficial for the cell growth and COD degradation during the early stage of fermentation but the final yeast biomass and COD removal were influenced little. By lumping method, the materials in the bioconversion network were divided into five lumps (COD, lipid, polysaccharide, other intracellular products, other extracellular products), and the nine rate constants (k1-k9) for the models can well explain the bioconversion laws...
June 21, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28624998/efficient-conversion-of-fructose-based-biomass-into-lipids-with-trichosporon-fermentans-under-phosphate-limited-conditions
#12
Ruiqi Bao, Xiangying Wu, Sasa Liu, Tongzhou Xie, Chenxu Yu, Xinping Lin
Limiting nitrogen supply has been routinely used as the master regulator to direct lipid biosynthesis. However, this strategy does not work with nitrogen-rich substrates, such as Jerusalem artichoke (JA), a fructose-based biomass, while it is difficult to obtain a high carbon-to-nitrogen (C/N) molar ratio. In this study, an alternative strategy to promote lipid accumulation by the oleaginous yeast Trichosporon fermentans CICC 1368 was developed by limiting phosphorous supply, and this strategy was implemented with JA hydrolysate as substrate...
June 17, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28623792/variations-in-microbial-community-and-ciprofloxacin-removal-in-rhizospheric-soils-between-two-cultivars-of-brassica-parachinensis-l
#13
Xian-Pei Huang, Ce-Hui Mo, Jiao Yu, Hai-Ming Zhao, Can Meng, Yan-Wen Li, Hui Li, Quan-Ying Cai, Ming-Hung Wong
Ciprofloxacin (CIP) is one of most used quinolone antibiotics detected frequently in agricultural soils and vegetables. In the present study, variations in microbial community and CIP removal in rhizospheric soils between two cultivars of Brassica parachinensis L. that accumulate higher and lower CIP (Sijiu and Cutai, respectively) were investigated under CIP stress (0mg/kg in CK, 2.94mg/kg in T1, and 67.11mg/kg in T2). The removal rates of CIP in rhizospheric soils of cultivar Sijiu were higher than those of cultivar Cutai, with a significant difference in T2 (48...
June 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28616071/combined-de-novo-and-ex-novo-lipid-fermentation-in-a-mix-medium-of-corncob-acid-hydrolysate-and-soybean-oil-by-trichosporon-dermatis
#14
Chao Huang, Mu-Tan Luo, Xue-Fang Chen, Gao-Xiang Qi, Lian Xiong, Xiao-Qing Lin, Can Wang, Hai-Long Li, Xin-De Chen
BACKGROUND: Microbial oil is one important bio-product for its important function in energy, chemical, and food industry. Finding suitable substrates is one key issue for its industrial application. Both hydrophilic and hydrophobic substrates can be utilized by oleaginous microorganisms with two different bio-pathways ("de novo" lipid fermentation and "ex novo" lipid fermentation). To date, most of the research on lipid fermentation has focused mainly on only one fermentation pathway and little work was carried out on both "de novo" and "ex novo" lipid fermentation simultaneously; thus, the advantages of both lipid fermentation cannot be fulfilled comprehensively...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28612088/trichosporon-inkin-disseminated-infection
#15
Laurie-Anne Thion, Aymeric Coutard, Odile Eloy, Fabrice Bruneel
No abstract text is available yet for this article.
June 13, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28594608/etiology-of-onychomycosis-in-patients-turkey
#16
Fatma Pelin Cengiz, Bengu Cevirgen Cemil, Nazan Emiroglu, Anılgülsel Bahalı, Dilek Biyik Ozkaya, Ozlem Su, Nahide Onsun
BACKGROUND: Onychomycosis is the chronic infection of the nails, and it is caused by dermatophytes, Candida, non- dermatophyte molds, Trichosporon genus. METHODS: A retrospective analysis of 225 cases with onychomycosis, diagnosed in a 27-month period at the Department of Dermatoveneorology, Bezmialem Vakif University in Istanbul, and confirmed with culture. RESULTS: The age of patients ranged from 2 to 87 years (41.59 ± 17.61) and females were more commonly affected (120 cases, 53...
June 8, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28584756/disseminated-cutaneous-trichosporonosis-in-an-adult-bone-marrow-transplant-patient
#17
A M Y Yong, S S Yang, K B Tan, S A Ho
The Trichosporon species are yeast-like opportunistic pathogens in immunocompromised patients. Trichosporon asahii infections have been reported in pediatric bone marrow transplant (BMT) patients. However, its incidence is low in the adult literature. A 52-year-old Chinese woman who was diagnosed with acute myeloid leukemia received induction chemotherapy and underwent allogenic bone marrow transplant, which was complicated by a relapse and required salvage chemotherapy. She developed persistent non-neutropenic fever secondary to presumed hepatosplenic candidiasis...
May 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28566664/remarkable-works-and-cases-in-the-history-of-medical-mycology-in-japan
#18
Katsutaro Nishimoto
Several pathogenic fungi and cases related to Japanese medical mycologists were reviewed. Trichosporon inkin (as Sarcinomyces inkin) was reported as a pathogen of scrotal lesion by Oho in 1921, and Trichosporon asahii was isolated from generalized keratotic lesions in 1922 by Akagi in Japan. They were once included in Trichophyton beigelii, but then based on revision using DNA molecular technology, were returned to their original names.Microsporum ferrugineum was reported by Ota as a causative dermatophyte of tinea capitis in Japan and surrounding areas...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28562512/an-unusual-cause-of-fever-and-rash-in-a-child-with-severe-aplastic-anemia
#19
Elis Yuexian Lee, Wen Quan Derrick Lian, Prasad Iyer, Rajat Bhattacharyya
A 4-year-old girl with severe aplastic anemia and 2 previous failed T-depleted haploidentical peripheral blood stem cell transplants developed persistent neutropenic fever and multiple erythematous maculopapular rashes 2 days after her third T-replete haploidentical bone marrow transplant. Skin biopsy confirmed the diagnosis of Trichosporon asahii infection. She was on caspofungin prophylaxis which is not effective against Trichosporon. A high index of suspicion, prompt investigation, and appropriate treatment with voriconazole for 4 months was instrumental in controlling the infection and she remains well presently 9 months posttransplant with full donor chimerism and free from infection...
May 29, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28547342/trichosporon-asteroides-isolated-from-cutaneous-lesions-of-a-suspected-case-of-paracoccidioidomycosis-ceti-in-a-bottlenose-dolphin-tursiops-truncatus
#20
Keiichi Ueda, Ichiro Nakamura, Eiko Nakagawa Itano, Kazunori Takemura, Yasutomo Nakazato, Ayako Sano
"Paracoccidioidomycosis ceti" is a rare zoonotic fungal infection affecting dolphins and is endemic worldwide. The causative agents are Paracoccidioides species; however, it is impossible to isolate the fungal species. We isolated Trichosporon asteroides from multifocal, irregularly raised skin lesions on a female bottlenose dolphin (Tursiops truncatus) captured off coast of Japan, which was suspected to have "paracoccidioidomycosis ceti." An abundance of round, yeast-like cells was detected in a potassium hydroxide direct-mount specimen of the skin samples; however, nested PCR targeting the partial sequence of 43-kDa glycoprotein-coding gene correspondent to Paracoccidioides sp...
May 25, 2017: Mycopathologia
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