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https://www.readbyqxmd.com/read/29674435/phylogenetic-and-phylogenomic-definition-of-rhizopus-species
#1
Andrii P Gryganskyi, Jacob Golan, Somayeh Dolatabadi, Stephen Mondo, Sofia Robb, Alexander Idnurm, Anna Muszewska, Kamil Steczkiewicz, Sawyer Masonjones, Hui-Ling Liao, Michael T Gajdeczka, Felicia Anike, Antonina Vuek, Iryna M Anishchenko, Kerstin Voigt, G Sybren de Hoog, Matthew E Smith, Joseph Heitman, Rytas Vilgalys, Jason E Stajich
Phylogenomic approaches have the potential to improve confidence about the inter-relationships of species in the order Mucorales within the fungal tree of life. Rhizopus species are especially important as plant and animal pathogens and bioindustrial fermenters for food and metabolite production. A dataset of 192 orthologous genes was used to construct a phylogenetic tree of 21 Rhizopus strains, classified into four species isolated from habitats of industrial, medical and environmental importance. The phylogeny indicates that the genus Rhizopus consists of three major clades, with R...
April 19, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29668130/-rhino-orbito-cerebral-mucormycosis-from-dental-origin-case-report
#2
José Humberto Bravo, Andrés Mauricio Agudelo, Armando Cortés, Lorena Matta
Rhino-orbito-cerebral mucormycosis from dental origin is an acute infection caused by opportunistic fungi belonging to the order of Mucorales, which affects mainly diabetic and immunocompromised patients.We report the case of a 63-year old diabetic man who performed a dental extraction on himself by his own means and subsequently developed a rhino-orbito-cerebral mucormycosis with cutaneous and palatal affection. The species isolated in the mycological culture was Rhizopus sp.
March 15, 2018: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29663590/use-of-deferasirox-exjade-for-iron-overload-in-peritoneal-dialysis-patients
#3
Erwin Yii, James Cg Doery, Zane Kaplan, Peter G Kerr
BACKGROUND: A 54 year old male with β-Thalassemia major developed ESRD and was managed with continuous ambulatory peritoneal dialysis. Although not able to be transfused due to high titre red cell antibodies he did require management of iron overload. Deferasirox (Exjade) was administered orally. There was concern that excretion of iron via the peritoneal dialysate may raise the risk of iron-dependent infections (Yersinia and Rhizopus). METHODS: Whilst receiving Exjade 1000mg /day, a total collection of 12...
April 16, 2018: Nephrology
https://www.readbyqxmd.com/read/29642408/mucormycosis-battle-with-the-deadly-enemy-over-a-five-year-period-in-india
#4
Jagdish Chander, Mandeep Kaur, Nidhi Singla, R P S Punia, Surinder K Singhal, Ashok K Attri, Ana Alastruey-Izquierdo, Alberto M Stchigel, Jose F Cano-Lira, Josep Guarro
Mucormycosis is an emerging opportunistic fungal infection. Increasing immunocompromization, widespread use of antibacterial and antifungal agents (such as voriconazole prophylaxis), carcinomas, transplantation and lifestyle diseases such as diabetes are the main contributors to this situation. The predominant clinical manifestations of mucormycosis vary from host to host, with rhino-orbital-cerebral, pulmonary, cutaneous, and gastrointestinal infections being the most common. In India, the prevalence of mucormycosis is approximately 0...
April 6, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29627901/microbiological-quality-of-air-in-free-range-and-box-stall-stable-horse-keeping-systems
#5
Katarzyna Wolny-Koładka
The aim of this study was to assess the microbiological quality of air in three horse riding centers differing in the horse keeping systems. The air samples were collected in one facility with free-range horse keeping system and two with box stalls of different sizes. The samples were collected over a period of 3 years (2015-2017), four times per year (spring, summer, autumn, winter) to assess the effect of seasonal changes. The prevalence of aerobic mesophilic bacteria, mold fungi, actinomycetes, Staphylococcus spp...
April 7, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29619233/vegan-mycoprotein-concentrate-from-pea-processing-industry-byproduct-using-edible-filamentous-fungi
#6
Pedro F Souza Filho, Ramkumar B Nair, Dan Andersson, Patrik R Lennartsson, Mohammad J Taherzadeh
Background: Currently around one billion people in the world do not have access to a diet which provides enough protein and energy. However, the production of one of the main sources of protein, animal meat, causes severe impacts on the environment. The present study investigates the production of a vegan-mycoprotein concentrate from pea-industry byproduct (PpB), using edible filamentous fungi, with potential application in human nutrition. Edible fungal strains of Ascomycota ( Aspergillus oryzae , Fusarium venenatum , Monascus purpureus , Neurospora intermedia ) and Zygomycota ( Rhizopus oryzae ) phyla were screened and selected for their protein production yield...
2018: Fungal Biology and Biotechnology
https://www.readbyqxmd.com/read/29617339/environmental-sustainability-and-mold-hygiene-in-buildings
#7
Haoxiang Wu, Tsz Wai Ng, Jonathan Wc Wong, Ka Man Lai
Environmental sustainability is one of the key issues in building management. In Hong Kong, one of the initiatives is to reduce the operation hours of air-conditioning in buildings to cut down energy consumption. In this study, we reported a mold contamination case in a newly refurbished laboratory, in which the air-conditioner was switched from 24- to 18-h mode after refurbishment. In order to prevent mold recurrence, the air-conditioner was switched back to 24-h mode in the laboratory. During the mold investigation, visible mold patches in the laboratory were searched and then cultured, counted and identified...
April 4, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29602173/antifungal-effect-of-phenolic-extract-of-fermented-rice-bran-with-rhizopus-oryzae-and-its-potential-use-in-loaf-bread-shelf-life-extension
#8
T Denardi-Souza, C Luz, J Mañes, E Badiale-Furlong, G Meca
BACKGROUND: In this study the antifungal potential of a phenolic extract obtained from rice bran fermented with Rhizopus oryzae CECT 7560 and its application in the elaboration of bread was assessed. RESULTS: Eighteen compounds with antifungal potential were identified by LC-ESI-qTOF-MS in the extract: organic acids, gallates and gallotannins, flavonoids, ellagic acid and benzophenone derivatives. The extract was active against strains of Fusarium, Aspergillus and Penicillium, with Minimum Inhibitory Concentration ranged from 390 to 3100 μg mL-1 and Minimum Fungicidal Concentration variable from 780 to 6300 μg mL-1 respectively...
March 30, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29595091/neuroprotective-effect-of-tempeh-against-lipopolysaccharide-induced-damage-in-bv-2-microglial-cells
#9
Juen-Haur Hwang, Shu-Jing Wu, Po-Long Wu, Yong-Yao Shih, Yin-Ching Chan
OBJECTIVES: This study evaluated the bioactive composition of tempeh products and examined the effects of tempeh on BV-2 microglial cell cytotoxicity, neurotrophic effects, and expression of inflammatory genes. METHODS: Tempeh products included soybean fermented by Rhizopus, soybean fermented through cocultivation with Rhizopus and Lactobacillus, and red bean fermented through cocultivation with Rhizopus and Lactobacillus (RT-C). We analyzed the bioactive contents of tempeh extracts and evaluated the effects of tempeh water extract on lipopolysaccharide (LPS)-treated BV-2 cells...
March 29, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29588481/comparative-genome-wide-analysis-of-extracellular-small-rnas-from-the-mucormycosis-pathogen-rhizopus-delemar
#10
Muxing Liu, Gillian O Bruni, Christopher M Taylor, Zhengguang Zhang, Ping Wang
Rhizopus delemar is an emerging fungal pathogen causing devastating mucormycosis in immunocompromised individuals. The organism remains understudied and there are urgent needs for new methods of rapid disease diagnosis for timely therapy. Extracellular vesicles with encapsulated RNAs have recently been discovered to have great potential applications for disease diagnoses and treatments. To explore the utilization of ex-RNA in studies of mucormycosis, we have performed RNA-Seq of ex-sRNAs from two clinical strains of R...
March 27, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29577746/comparative-effects-of-some-extraction-solvents-on-the-antimicrobial-activity-of-eucalyptus-camaldulensis-leaf-bud-capsule-and-seed-crude-extracts
#11
Alyaa Nasr, Xinxin Zhou, Shi-Ping Huang, Yuan Wang, Xiaoning Li, Guo-Ping Zhu
Well diffusion method was used to evaluate the antibacterial activity of Eucalyptus camaldulensis, while the antifungal effect was assessed by calculating the reduction percent in the radial growth of mycelia. The inhibition zones exerted by E. camaldulensis crude extracts varied significantly (p ≤ 0.01). The capsule crude extract (acetone 30%) highly inhibited the growth of Acinetobacter baumannii (35 mm clear zone). The highest antifungal activity was against Rhizopus stolonifer with a reduction percent in its radial growth reached to 96%...
March 26, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29576799/advanced-effect-of-moringa-oleifera-bioconversion-by-rhizopus-oligosporus-on-the-treatment-of-atopic-dermatitis-preliminary-study
#12
Sang-Sun Hur, Suk-Won Choi, Dong-Ryul Lee, Jong-Hwan Park, Tae-Ho Chung
This study was conducted to determine if topical application of Moringa oleifera extracts and its bioconversion product fermented by Rhizopus oligosporus has therapeutic properties enhancement for treatment of atopic dermatitis. Rhizopus oligosporus (KCCM 11232P) was used to ferment Moringa leaves' extracts in this study. Comparison of organic acids and flavonols in Moringa simple extracts and their fermented product by HPLC analysis revealed that concentration of organic acids and flavonols of bioconversion product was lower than that of hot water extracts...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29568759/isolation-and-molecular-characterization-of-a-model-antagonistic-pseudomonas-aeruginosa-divulging-in-vitro-plant-growth-promoting-characteristics
#13
Bushra Uzair, Rehana Kausar, Syeda Asma Bano, Sammer Fatima, Malik Badshah, Ume Habiba, Fehmida Fasim
The use of microbial technologies in agriculture is currently expanding quite rapidly with the identification of new bacterial strains, which are more effective in promoting plant growth. In the present study 18 strains of Pseudomonas were isolated from soil sample of Balochistan coastline. Among isolated Pseudomonas strains four designated as SP19, SP22, PS24, and SP25 exhibited biocontrol activities against phytopathogenic fungi, that is, Rhizopus microsporus, Fusarium oxysporum, Aspergillus niger, Alternaria alternata, and Penicillium digitatum ; PS24 identified as Pseudomonas aeruginosa by 16srRNA gene bank accession number EU081518 was selected on the basis of its antifungal activity to explore its potential as plant growth promotion...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29564535/oxygen-uptake-rate-as-a-tool-for-on-line-estimation-of-cell-biomass-and-bed-temperature-in-a-novel-solid-state-fermentation-bioreactor
#14
Sidharth Arora, Pritam Singh, Richa Rani, Sanjoy Ghosh
Direct measurement of cell biomass is difficult in a solid-state fermentation (SSF) process involving filamentous fungi since the mycelium and the solid substrate are often inseparable. However, respiratory data are rich in information for real-time monitoring of microbial biomass production. In this regard, a correlation was obtained between oxygen uptake rate (OUR) and biomass concentration (X) of Rhizopus oryzae MTCC 1987, during phytase production, in an intermittently mixed novel SSF bioreactor. To obtain the correlation, various models describing sigmoidal growth were tested, namely the logistic, Gompertz, Stannard, and Schnute models...
March 21, 2018: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/29563203/emerging-rhizopus-microsporus-infections-in-india
#15
Mragnayani Pandey, Gagandeep Singh, Reshu Agarwal, Yubhisha Dabas, Viveka P Jyotsna, Rakesh Kumar, Immaculata Xess
Mucormycosis is being increasingly reported from all over the world.….
March 21, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29560488/whole-grain-oats-avena-sativa-l-as-a-carrier-of-lactic-acid-bacteria-and-a-supplement-rich-in-angiotensin-i-converting-enzyme-inhibitory-peptides-through-solid-state-fermentation
#16
Han Wu, Xin Rui, Wei Li, Yu Xiao, Jianzhong Zhou, Mingsheng Dong
This study explored a novel strategy to develop solid-state whole-grain oats as a novel carrier of lactic acid bacteria and a nutraceutical supplement rich in ACE inhibitory peptides. Oats were fermented by Lactobacillus plantarum B1-6, Rhizopus oryzae, or a combination of L. plantarum B1-6 and R. oryzae. L. plantarum showed a much better growth performance in oats when it was combined with R. oryzae than when it was cultured alone, as evidenced by an increase in viable cell count to 9.70 log cfu g-1 after 72 h of fermentation...
March 21, 2018: Food & Function
https://www.readbyqxmd.com/read/29550433/structural-and-biochemical-insights-into-the-substrate-binding-mechanism-of-a-novel-glycoside-hydrolase-family-134-%C3%AE-mannanase
#17
Xin You, Zhen Qin, Yan-Xiao Li, Qiao-Juan Yan, Bin Li, Zheng-Qiang Jiang
Mannan is one of the major constituent groups of hemicellulose, which is a renewable resource from higher plants. β-Mannanases are enzymes capable of degrading lignocellulosic biomass. Here, an endo-β-mannanase from Rhizopus microsporus (RmMan134A) was cloned and expressed. The recombinant RmMan134A showed maximal activity at pH 5.0 and 50 °C, and exhibited high specific activity towards locust bean gum (2337 U/mg). To gain insight into the substrate-binding mechanism of RmMan134A, four complex structures (RmMan134A-M3, RmMan134A-M4, RmMan134A-M5 and RmMan134A-M6) were further solved...
March 14, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29548431/effect-of-filamentous-fungi-fermentation-on-the-extractability-and-physicochemical-properties-of-%C3%AE-glucan-in-oat-bran
#18
Jia Wu, Shanshan Jin, Shanshan Wu, Yifan Chen, Ruiwei Chen
Oat bran was fermented by filamentous fungi to improve the extractability of β-glucan. Box-Behnken experimental design and response surface methodology were used to obtain the maximum extractability of β-glucan. Inoculum volume, fermentation temperature, and time were evaluated as three variables. Under optimal fermentation conditions, the extractability of β-glucan in oat bran increased to 45.57 ± 1.82% and 51.10 ± 2.32% by Aspergillus niger and Rhizopus oryzae, respectively. The extractability was about 3-fold of that before fermentation (16...
July 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29545123/mucormycosis-in-iran-a-six-year-retrospective-experience
#19
S Dolatabadi, B Ahmadi, A Rezaei-Matehkolaei, H Zarrinfar, A Skiada, H Mirhendi, R Nashibi, F Niknejad, M Nazeri, A Rafiei, M Gharaghani, M Erami, S Taghipour, F Piri, K Makimura
Mucormycosis is a devastating infection caused by Mucoralean fungi (Mucormycotina, Mucorales). Data concerning the global epidemiology of mucormycosis are scarce and little is known about the characteristics of mucormycosis in Iran. In this study, we aimed to understand the distribution of this infection in Iran retrospectively and to ascertain whether the patterns of infection are associated with specific host factors or not. A total of 208 cases were included in this study occurring during 2008-2014 and were validated according to (EORTC/MSG) criteria...
March 12, 2018: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29543859/antifungal-activity-main-active-components-and-mechanism-of-curcuma-longa-extract-against-fusarium-graminearum
#20
Ciqiong Chen, Li Long, Fusheng Zhang, Qin Chen, Cheng Chen, Xiaorui Yu, Qingya Liu, Jinku Bao, Zhangfu Long
Curcuma longa possesses powerful antifungal activity, as demonstrated in many studies. In this study, the antifungal spectrum of Curcuma longa alcohol extract was determined, and the resulting EC50 values (mg/mL) of its extract on eleven fungi, including Fusarium graminearum, Fusarium chlamydosporum, Alternaria alternate, Fusarium tricinctum, Sclerotinia sclerotiorum, Botrytis cinerea, Fusarium culmorum, Rhizopus oryzae, Cladosporium cladosporioides, Fusarium oxysporum and Colletotrichum higginsianum, were 0...
2018: PloS One
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