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https://www.readbyqxmd.com/read/29028140/report-of-12-cases-with-tracheobronchial-mucormycosis-and-a-review
#1
Ruoxi He, Chengping Hu, Yongjun Tang, Huaping Yang, Liming Cao, Ruichao Niu
OBJECTIVES: Tranchobronchial mucormycosis is a rare and invasive pulmonary mucormycosis involving the tracheobronchial tree. DATA SOURCE: at a 3500-bed tertiary care center. STUDY SELECTION: This was a retroactive study of 12 cases of tranchobronchial mucormycosis diagnosed in our hospital, and 48 cases that were previously reported in the English literature. RESULTS: Rhizopus was the predominant species of pathogen (66...
October 13, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29026627/marked-peripheral-eosinophilia-due-to-prolonged-administration-of-posaconazole
#2
Maher Alharbi, Rae-Kiran Jhinger, Terence Wuerz, Andrew Walkty
Introduction. Posaconazole is a triazole antifungal that is used in the treatment of a variety of fungal infections, as well as in the management of mucormycosis (on an off-label basis). Eosinophilia associated with exposure to azole antifungals has been described rarely in the literature. Case presentation. A 31-year-old male on peritoneal dialysis (PD) for end-stage renal disease, secondary to diabetic nephropathy, presented to hospital with abdominal pain after a trip to St Lucia. He was taken to the operating room, where the PD catheter was removed and an abdominal-wall abscess was debrided...
June 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29022998/synthesis-characterization-and-antimicrobial-activities-of-copper-derivatives-of-nhc-ii-complexes
#3
Karumutchu Sitalu, B Hari Babu, J Naveena Lavanya Latha, A Lakshmana Rao
BACKGROUND: Caffeine, 1, 3, 7-trimethylxanthine is one of the xanthine derivatives that are for the most part utilized as a part of solutions as diuretics. The Cu (II) complexes have been synthesized from the N-heterocyclic carbene ligands. MATERIALS AND METHODS: The Cu (II) NHC complexes were characterized using analytical and spectral techniques. Antibacterial and antifungal activities of the Cu (II) NHC complexes were determined using the reported techniques...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29021826/co-production-of-11%C3%AE-hydroxyprogesterone-and-ethanol-using-recombinant-yeast-expressing-fungal-steroid-hydroxylases
#4
Claire M Hull, Andrew G S Warrilow, Nicola J Rolley, Claire L Price, Iain S Donnison, Diane E Kelly, Steven L Kelly
BACKGROUND: Bioethanol production from sustainable sources of biomass that limit effect on food production are needed and in a biorefinery approach co-products are desirable, obtained from both the plant material and from the microbial biomass. Fungal biotransformation of steroids was among the first industrial biotransformations allowing corticosteroid production. In this work, the potential of yeast to produce intermediates needed in corticosteroid production is demonstrated at laboratory scale following bioethanol production from perennial ryegrass juice...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28992337/occurrence-and-species-distribution-of-pathogenic-mucorales-in-unselected-soil-samples-from-france
#5
B Mousavi, J M Costa, P Arné, J Guillot, R Chermette, F Botterel, E Dannaoui
Mucormycosis is a life-threatening invasive fungal disease that affects a variety of patient groups. Although Mucorales are mostly opportunistic pathogens originating from soil or decaying vegetation, there are currently few data on prevalence of this group of fungi in the environment. The aim of the present study was to assess the prevalence and diversity of species of Mucorales from soil samples collected in France. Two grams of soil were homogenized in sterile saline and plated on Sabouraud dextrose agar and RPMI agar supplemented with itraconazole or voriconazole...
July 28, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28964607/salinity-induced-effects-on-the-growth-rates-and-mycelia-composition-of-basidiomycete-and-zygomycete-fungi
#6
C Venâncio, R Pereira, A C Freitas, T A P Rocha-Santos, J P da Costa, A C Duarte, I Lopes
Soil salinization, as the combination of primary and secondary events, can adversely affect organisms inhabiting this compartment. In the present study, the effects of increased salinity were assessed in four species of terrestrial fungi: Lentinus sajor caju, Phanerochaete chrysosporium, Rhizopus oryzae and Trametes versicolor. The mycelial growth and biochemical composition of the four fungi were determined under three exposure scenarios: 1) exposure to serial dilutions of natural seawater (SW), 2) exposure to serial concentrations of NaCl (potential surrogate of SW); and 3) exposure to serial concentrations of NaCl after a period of pre-exposure to low levels of NaCl...
September 27, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28947087/growth-modeling-to-control-in-vitro-fusarium-verticillioides-and-rhizopus-stolonifer-with-thymol-and-carvacrol
#7
Carlos E Ochoa-Velasco, Addí R Navarro-Cruz, Obdulia Vera-López, Enrique Palou, Raul Avila-Sosa
The aim of this study was to evaluate the antifungal activity (in vitro) of thymol and carvacrol alone or in mixtures against Fusarium verticillioides and Rhizopus stolonifer, and to obtain primary growth models. Minimal inhibitory concentration (MIC) was evaluated with fungal radial growth with thymol or carvacrol concentrations (0-1600mg/l). Mixtures were evaluated using concentrations below MIC values. Radial growth curves were described by the modified Gompertz equation. MIC values of carvacrol were 200mg/l for both fungi...
September 22, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28941777/new-pyrimidine-based-ligand-capped-gold-and-platinum-nano-particles-synthesis-characterization-antimicrobial-antioxidant-dna-interaction-and-in-vitro-anticancer-activities
#8
M Sankarganesh, P Adwin Jose, J Dhaveethu Raja, M P Kesavan, M Vadivel, J Rajesh, R Jeyamurugan, R Senthil Kumar, S Karthikeyan
In this research work, we have synthesized new pyrimidine based Schiff base ligand, 2-((4,6-dimethoxypyrimidine-2-yl)methyleneenamino)-6-methoxyphenol (DPMM) capped gold (Au) and platinum (Pt) nanoparticles (NPs) by modified Brust-Schiffrin method. The characteristics of DPMM-Au NPs and DPMM-Pt NPs have been examined by UV-Visible, FTIR, SEM, TEM and powder XRD analysis. SEM analysis result shows that surface morphology of the DPMM-Au NPs and DPMM-Pt NPs are in granular and spherical shape, correspondingly...
September 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28941694/physiological-effects-and-mode-of-action-of-zno-nanoparticles-against-postharvest-fungal-contaminants
#9
Davide Sardella, Ruben Gatt, Vasilis P Valdramidis
Increasing concerns continue to be expressed about health hazards and environmental pollution resulting from the use of conventional fungicides for postharvest disease control. Nanoparticles represent an alternative solution for postharvest disease management. The objective of this work was to assess the physiological effects and the antifungal efficiency of ZnO nanoparticles (ZnO NPs) against a number of fungal contaminants. The efficacy of ZnO NPs was qualitatively and quantitatively assessed against: Penicillium expansum, Alternaria alternata, Botrytis cinerea and Rhizopus stolonifer...
November 2017: Food Research International
https://www.readbyqxmd.com/read/28941663/succinic-acid-production-from-fruit-and-vegetable-wastes-hydrolyzed-by-on-site-enzyme-mixtures-through-solid-state-fermentation
#10
Wubliker Dessie, Wenming Zhang, Fengxue Xin, Weiliang Dong, Min Zhang, Jiangfeng Ma, Min Jiang
In this study, a novel biorefinery concept of succinic acid (SA) production from fruit and vegetable wastes (FVWs) hydrolyzed by crude enzyme mixtures through solid state fermentation was designed. Enzyme complex solid mashes from various types of FVWs were on-site produced through solid-state fermentation by Aspergillus niger and Rhizopus oryzae. This solid was then added to FVW suspensions and undergo hydrolysis reaction to generate fermentable sugars and other essential nutrients for bacterial growth and product formation...
September 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28930274/the-efficiency-of-noni-morinda-citrifolia-l-essential-oil-on-the-control-of-leaf-spot-caused-by-exserohilum-turcicum-in-maize-culture
#11
Janaina Costa E Silva, Dalmarcia de Sousa Carlos Mourão, Fabia Silva de Oliveira Lima, Renato de Almeida Sarmento, Mateus Sunti Dalcin, Raimundo Wagner de Souza Aguiar, Gil Rodrigues Dos Santos
The objective of this work was to evaluate the efficiency of noni essential oil on the control of Exserohilum turcicum, a causative agent of Exserohilum spot in maize culture. In the sanitary test 400 seeds were incubated using the blotter test method. For the transmissibility test, the fragments of damaged leaves of seedlings were removed and put into a potato, dextrose and agar (PDA) culture environment. To verify the pathogenicity, Koch´s postulates were performed. In the phytotoxicity test different concentrations of noni oil were applied in maize seedlings...
August 14, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929427/backbone-and-ile-%C3%AE-1-leu-val-methyl-1-h-15-n-and-13-c-chemical-shift-assignments-for-rhizopus-chinensis-lipase
#12
Meng Zhang, Xiao-Wei Yu, G V T Swapna, Gaohua Liu, Rong Xiao, Yan Xu, Gaetano T Montelione
Lipase r27RCL is a 296-residue, 33 kDa monomeric enzyme with high ester hydrolysis activity, which has significant applications in the baking, paper and leather industries. The lipase gene proRCL from Rhizopus microsporus var. chinensis (also Rhizopus chinensis) CCTCC M201021 was cloned as a fusion construct C-terminal to a maltose-binding protein (MBP) tag, and expressed as MBP-proRCL in an Escherichia coli BL21 trxB (DE3) expression system with uniform (2)H,(13)C,(15)N-enrichment and Ile-δ1, Leu, and Val (13)CH3 methyl labeling...
September 19, 2017: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/28928436/determination-of-quality-changes-in-peaches-wrapped-in-active-paper-and-stored-at-ambient-temperature-in-summer
#13
Xiao-Long Du, Hui Li, Wei-Hong Zhou, Ying Liu, Jian-Long Li
Peaches are known for their palatable flavor and abundant nutrients. However, peaches are perishable, and the existing preservation techniques for peaches are still immature. To further extend the shelf life and prevent nutrient loss of perishable peaches under ambient temperature in summer (approximately 25-32 °C), we conducted experiments wrapping peaches (Prunus persica cv 'Baihua') in single- and composite-treated vegetal fibrous papers that contained calcium carbonate, phytic acid, Na-alginate and vitamin C...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28919389/-hepatic-mucormycosis-due-to-rhizopus-microsporus-a-case-report
#14
G Le Gac, J Allyn, N Coolen-Allou, M Lagrange-Xelot, C Fernandez, N Allou, G Hoarau
No abstract text is available yet for this article.
September 14, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28915790/the-process-related-dynamics-of-microbial-community-during-a-simulated-fermentation-of-chinese-strong-flavored-liquor
#15
Yanyan Zhang, Xiaoyu Zhu, Xiangzhen Li, Yong Tao, Jia Jia, Xiaohong He
BACKGROUND: Famous Chinese strong-flavored liquor (CSFL) is brewed by microbial consortia in a special fermentation pit (FT). However, the fermentation process was not fully understood owing to the complicate community structure and metabolism. In this study, the process-related dynamics of microbial communities and main flavor compounds during the 70-day fermentation process were investigated in a simulated fermentation system. RESULTS: A three-phase model was proposed to characterize the process of the CSFL fermentation...
September 15, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28899635/fast-technique-for-the-identification-of-gilbertella-persicaria-via-optical-microscopy
#16
Isabel Cruz-Lachica, Isidro Marquez-Zequera, Raul Allende-Molar, Josefa Adriana Sañudo-Barajas, Josefina Leon-Felix, Raymundo Saul Garcia-Estrada
Gilbertella persicaria is an important phytopathogen that is confused with Mucor spp. and Rhizopus spp. The main distinguishing characteristic of G. persicaria is the presence of appendages in sporangiospores, and their observation by conventional staining techniques generally fails. A technique is described using light microscopy for fast and reliable diagnosis.
November 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28884067/optimization-of-thermostable-organic-solvent-tolerant-lipase-production-by-thermotolerant-rhizopus-sp-using-solid-state-fermentation-of-palm-kernel-cake
#17
Fatimah Azizah Riyadi, Md Zahangir Alam, Md Noor Salleh, Hamzah Mohd Salleh
This study enhanced the production of thermostable organic solvent-tolerant (TS-OST) lipase by locally isolated thermotolerant Rhizopus sp. strain using solid-state fermentation (SSF) of palm kernel cake (PKC). The optimum conditions were achieved using a series of statistical approaches. The cultivation parameters, which include fermentation time, moisture content, temperature, pH, inoculum size, various carbon and nitrogen sources, as well as other supplements, were initially screened by the definitive screening design, and one-factor-at-a-time using PKC as the basal medium...
October 2017: 3 Biotech
https://www.readbyqxmd.com/read/28860637/self-induction-system-for-cellulase-production-by-cellobiose-produced-from-glucose-in-rhizopus-stolonifer
#18
Yingying Zhang, Bin Tang, Guocheng Du
Cellulolytic fungi have evolved a sophisticated genetic regulatory network of cellulase synthesis to adapt to the natural environment. Even in the absence of lignocellulose, it still secretes low levels of "constitutive" cellulase for standby application. However, the mechanisms of this constitutive expression remain incompletely understood. Here we identified a cellobiose synthetase (CBS) from Rhizopus stolonifer, which has the capacity to catalyse the synthesis of cellobiose from uridine diphosphate glucose (UDPG)...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28847082/production-of-fumaric-acid-by-immobilized-rhizopus-arrhizus-rh-7-13-9-on-loofah-fiber-in-a-stirred-tank-reactor
#19
Huan Liu, Shijie Zhao, Yuhan Jin, Xuemin Yue, Li Deng, Fang Wang, Tianwei Tan
Fumaric acid is an important building-block chemical. The production of fumaric acid by fermentation is possible. Loofah fiber is a natural, biodegradable, renewable polymer material with highly sophisticated and pore structure. This work investigated a new immobilization method using loofah fiber as carrier to produce fumaric acid in a stirred-tank reactor. Compared with other carriers, loofah fiber was proven to be efficiently and successfully used in the reactor. After the optimization process, 20g addition of loofah fiber and 400rpm agitation speed were chosen as the most suitable process conditions...
November 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28844883/heavy-metal-tolerance-traits-of-filamentous-fungi-isolated-from-gold-and-gemstone-mining-sites
#20
Oluwatosin Gbemisola Oladipo, Olusegun Olufemi Awotoye, Akinyemi Olayinka, Cornelius Carlos Bezuidenhout, Mark Steve Maboeta
Increased environmental pollution has necessitated the need for eco-friendly clean-up strategies. Filamentous fungal species from gold and gemstone mine site soils were isolated, identified and assessed for their tolerance to varied heavy metal concentrations of cadmium (Cd), copper (Cu), lead (Pb), arsenic (As) and iron (Fe). The identities of the fungal strains were determined based on the internal transcribed spacer 1 and 2 (ITS 1 and ITS 2) regions. Mycelia growth of the fungal strains were subjected to a range of (0-100 Cd), (0-1000 Cu), (0-400 Pb), (0-500 As) and (0-800 Fe) concentrations (mgkg(-1)) incorporated into malt extract agar (MEA) in triplicates...
August 8, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
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