| isolation of candida viswanathii from cerebrospinal fluid. | candida viswanathii has been isolated from the cerebrospinal fluid of a 20 year old male patient suffering from meningitis which ended fatally. the fungus proved pathogenic to cortisone treated mice but was poorly so to the normal mice challenged intravenously. | 1976 | 996690 |
| [some characteristics of soluble polysaccharides from candida tropicalis and candida viswanathii]. | | 1968 | 4303736 |
| peculiarities of the polysaccharide haptens from candida viswanathii and candida tropicalis. | | 1969 | 5311975 |
| [chemical composition of polysaccharides isolated from candida viswanathii and candida tropicalis]. | | 1968 | 5732073 |
| pathogenicity of candida viswanathii for laboratory animals. a preliminary study. | | 1965 | 5873444 |
| [pathogenicity of various species of candida in an experimental murine system]. | the systemic infection induced by candida albicans, candida krusei and candida viswanathii was studied in an experimental murine system. candida albicans is able to kill outbred cd1 mice within a few days and at a very low concentration; c. krusei is not pathogenic not even when inoculated at a higher concentration; c. viswanathii is able to kill animals only a a higher concentration. the different resistances do not seem to be under genic control, in as much as the different strains of mice use ... | 1984 | 6477756 |
| evaluation of two commercialized systems for the rapid identification of medically important yeasts. | a total of 77 recent clinical isolates of candida albicans and other medically important yeasts were identified by two different commercial tests, rapidec albicans (api-biomérieux) and fongiscreen 4h (sanofi diagnostics pasteur), and conventional mycological methods. the strains were from 13 different species of yeasts and consisted of strains of 36 c. albicans, three of candida famata, nine of candida (torulopsis) glabrata, five of candida guilliermondii, two of candida kefyr, three of candida ... | 1993 | 8015561 |
| rapid presumptive identification of medically relevant yeasts to the species level by polymerase chain reaction and restriction enzyme analysis. | a method for the rapid presumptive differentiation of a panel of 12 clinically relevant yeasts to the species level was developed on the basis of evaluation by the polymerase chain reaction (pcr) of the gene coding for the small ribosomal subunit 18s-rrna. the method involved restriction enzyme analysis of pcr products obtained with primers common to all fungi. using six restriction enzymes, alui, bani, bbsi, draii, eco147i and nhei, characteristic pcr-restriction enzyme patterns were obtained f ... | 1994 | 8064542 |
| dna hybridization and electrokaryotype study of some candida species. | some candida species which were similar to each other in phenotypic characteristics were studied by chemotaxonomic and molecular taxonomic comparison including the ubiquinone systems, electrophoretic karyotypes, dna base composition and dna relatedness. candida viswanathii and candida lodderae showed similar electrophoretic karyotypes and dna base composition and demonstrated 89 to 91% dna relatedness, confirming their synonymy. | 1998 | 9828450 |
| in-vitro antifungal activity of liposomal nystatin in comparison with nystatin, amphotericin b cholesteryl sulphate, liposomal amphotericin b, amphotericin b lipid complex, amphotericin b desoxycholate, fluconazole and itraconazole. | the in-vitro susceptibilities of 120 clinical isolates of yeasts to liposomal nystatin were compared with those to amphotericin b lipid complex (ablc), liposomal amphotericin b (lab), amphotericin b cholesteryl sulphate (abcd), amphotericin b desoxycholate, nystatin, fluconazole and itraconazole. yeast isolates examined included strains of candida albicans, candida parapsilosis, candida glabrata, candida krusei, candida guilliermondii, candida tropicalis, candida kefyr, candida viswanathii, cand ... | 1999 | 10511410 |
| on the re-isolation and taxonomic study of candida viswanathii viswanathan et randhawa 1959. | | 1962 | 13976232 |
| occurrence and significance of cryptococcus neoformans in vegetables and fruits. | cryptococcus neoformans was isolated from three of 437 (0.6%) samples of a wide variety of vegetables collected from a number of markets in delhi. the vegetables yielding c. neoformans were tomato, lycopersicon esculentum (1/70), 'vegetable sponge', luffa cylindrica (1/56) and brinjal, solanum melongena (1/55). only solitary samples of these three vegetables were found to be positive. in vitro studies at 25 degrees c revealed that a reference c. neoformans isolate readily colonized, as did candi ... | 2000 | 15597680 |
| response surface optimization of the critical medium components for carbonyl reductase production by candida viswanathii mtcc 5158. | culture conditions were optimized for the growth and carbonyl reductase production by a novel yeast strain candida viswanathii. response surface methodology was applied for the critical medium components (initial ph, mannitol, yeast extract and calcium chloride) identified earlier by one-factor-at-a-time approach. central composite design was used for the optimization studies. using this methodology, the optimal values for the concentration of mannitol, initial ph, yeast extract and calcium chlo ... | 2007 | 16697185 |
| optimization of physicochemical parameters for the enhancement of carbonyl reductase production by candida viswanathii. | culture conditions have been optimized for a newly isolated yeast strain candida viswanathii pbr2 which is capable of reducing a wide variety of aryl ketones with high stereospecificity. studies on the culture conditions and catalytic performance of this microorganism showed that the carbonyl reductase occurs constitutively in the cells and its production is enhanced by feeding with acetophenone (2 mm) during the early period of cultivation. mannitol (1%, wv(-1)) was found to be beneficial both ... | 2006 | 16770591 |
| optimization of process parameters for the production of carbonyl reductase by candida viswanathii in a laboratory-scale fermentor. | the effect of ph, aeration and mixing on the growth and production of carbonyl reductase by candida viswanathii was investigated in a 6.6-l fermentor. controlling the ph at 8.0 had a very significant effect on the enzyme production. aeration and agitation influenced the dissolved oxygen concentration which in turn affected growth as well as enzyme production. a maximum carbonyl reductase activity (53 umg(-1)) was attained in 24 h under the optimal cultivation conditions of controlled ph at 8.0, ... | 2008 | 18046590 |
| enhancing the biocatalytic potential of carbonyl reductase of candida viswanathii using aqueous-organic solvent system. | in the present work, the toxic effect of various solvents with different log p values was studied on the whole cells of candida viswanathii. experiments showed that the lower concentrations of some solvent increased both the activity retention and enzyme activity as compared to the control while this was not the case with higher concentrations of the same solvents. the model compound taken in the present study was 1-acetophenone. the percentage conversion improved from 76 to 94%. addition of 2-p ... | 2009 | 18840394 |
| yeasts isolation from bovine mammary glands under different mastitis status in the mexican high plateu. | the mastitis subclinical and clinical in cows caused by fungi has been increased specially by yeast of the genus candida. | 2011 | 21349344 |
| species distribution and susceptibility profile of yeasts isolated from blood cultures: results of a multicenter active laboratory-based surveillance study in argentina. | the mycology department of the instituto nacional de enfermedades infecciosas "dr. c. malbrán", conducted the second national multicenter survey on fungemia due to yeasts in argentina. the aim was to obtain updated data of the frequency of the causative species encountered and their in vitro susceptibility to seven antifungal agents. yeast species were identified by micromorphological and biochemical studies. antifungal susceptibility testing was performed by the reference microdilution method e ... | 2011 | 22430989 |
| influence of structure of lactones with the methylcyclohexene and dimethylcyclohexene ring on their biotransformation and antimicrobial activity. | the aim of this article is influence of the structure of lactones with the methylcyclohexene and dimethylcyclohexene ring on their biotransformation and antimicrobial activity. this work was based on the general remark that even the smallest change in the structure of a compound can affect its biological properties. the results of the biotransformation of four bicyclic unsaturated lactones with one or two methyl groups in the cyclohexene ring was tested using fifteen fungal strains (fusarium spe ... | 2017 | 28107178 |
| synthesis and antifungal activities of cyclic octa-lipopeptide burkholdine analogues. | synthesis and antifungal activity of cyclic octapeptide derivatives of burkholdines are described. to construct cyclic octapeptides, the combination of fmoc-spps and cyclization with dic/hobt in the solution phase was employed. synthesized peptides were evaluated for antifungal activity with mic values against saccharomyces cerevisiae, aspergillus oryzae, and candida viswanathii. as a result, the lipid side chain and the stereochemistry of each amino acid of bk-1097 analogues significantly affec ... | 2013 | 23769641 |
| a new isolation and evaluation method for marine-derived yeast spp. with potential applications in industrial biotechnology. | yeasts that are present in marine environments have evolved to survive hostile environments that are characterized by high exogenous salt content, high concentrations of inhibitory compounds, and low soluble carbon and nitrogen levels. therefore, yeasts isolated from marine environments could have interesting characteristics for industrial applications. however, the application of marine yeast in research or industry is currently very limited owing to the lack of a suitable isolation method. cur ... | 2016 | 27435537 |
| candida baotianmanensis sp. nov. and candida pseudoviswanathii sp. nov., two ascosporic yeast species isolated from the gut of beetles. | four yeast strains were isolated from the gut of beetles collected on baotianman mountain and people's park of nanyang in henan province, china. these strains produced unconjugated asci with one or two ellipsoidal to elongate ascospores in a persistent ascus. phylogenetic analysis of the d1/d2 domains of the lsu rrna gene sequences indicated that the isolates represent two novel sexual species in the candida/lodderomyces clade. candida baotianmanensis sp. nov. was located in a statistically well ... | 2015 | 26297152 |
| application of a biofilm formed by a mixture of yeasts isolated in vietnam to degrade aromatic hydrocarbon polluted wastewater collected from petroleum storage. | in this study, three good biofilm-forming yeast strains, including candida viswanathii th1, candida tropicalis th4 and trichosporon asahii b1, were isolated from oil-contaminated water and sediment samples collected in coastal zones of vietnam. these strains were registered in the genbank database with the accession numbers jx129175, jx129176 and kc139404 for strain th1, th4 and b1, respectively. the biofilm formed by a mixture of these organisms degraded 90, 85, 82 and 67% of phenol, naphthalen ... | 2014 | 25051481 |
| adipic acid tolerance screening for potential adipic acid production hosts. | biobased processes for the production of adipic acid are of great interest to replace the current environmentally detrimental petrochemical production route. no efficient natural producer of adipic acid has yet been identified, but several approaches for pathway engineering have been established. research has demonstrated that the microbial production of adipic acid is possible, but the yields and titres achieved so far are inadequate for commercialisation. a plausible explanation may be intoler ... | 2017 | 28143563 |
| agroindustrial wastes as alternative for lipase production by candida viswanathii under solid-state cultivation: purification, biochemical properties, and its potential for poultry fat hydrolysis. | the aims of this work were to establish improved conditions for lipase production by candida viswanathii using agroindustrial wastes in solid-state cultivation and to purify and evaluate the application of this enzyme for poultry fat hydrolysis. mixed wheat bran plus spent barley grain (1 : 1, w/w) supplemented with 25.0% (w/w) olive oil increased the lipase production to 322.4%, compared to the initial conditions. when olive oil was replaced by poultry fat, the highest lipase production found a ... | 2016 | 27725884 |
| single cell oil production from a newly isolated candida viswanathii y-e4 and agro-industrial by-products valorization. | microbial lipids have drawn increasing attention in recent years as promising raw materials for biodiesel and added-value compounds production. to this end, new oleaginous yeast, candida viswanathii y-e4 was isolated, characterized and used for single cell oil (sco) production. physiologic and nutritional parameters optimization was carried out for improved biomass and lipid production. y-e4 strain was able to use a wide range of substrates, especially c5 and c6 sugars as well as glycerol and hy ... | 2016 | 27114386 |
| innovative high gas pressure microscopy chamber designed for biological cell observation. | an original high-pressure microscopy chamber has been designed for real-time visualization of biological cell growth during high isostatic (gas or liquid) pressure treatments up to 200 mpa. this new system is highly flexible allowing cell visualization under a wide range of pressure levels as the thickness and the material of the observation window can be easily adapted. moreover, the design of the observation area allows different microscope objectives to be used as close as possible to the obs ... | 2016 | 26810277 |
| pathogenicity of candida viswanathii for normal and cortisone-treated mice. | the pathogenicity of candida viswanathii, pci 501/1 (cbs 4024), originally isolated from csf of a fatal case of meningitis in india, is reported. also, included is a global overview of the occurrence of c. viswanathii in clinical and environmental sources. the investigation was done in normal and cortisone-treated albino mice challenged intravenously with variable doses of 1×10(6), 4×10(6) and 16×10(6) actively growing yeast cells of the fungus. the animals were kept under observation up to 3 we ... | 2015 | 26597146 |
| transformation of iso-pentylbenzene by a biofilm-forming strain of candida viswanathii th1 isolated from oil-polluted sediments collected in coastal zones in vietnam. | this work is aimed to assess the aerobic biotransformation of a branched side chain alkylbenzene, iso-pentylbenzene, by candida viswanathii th1. the yeast candida viswanathii th1 isolated from oil-polluted sediments collected in coastal zones in vietnam exhibited as a strain that could better transform branched aromatic hydrocarbons in biofilm (pellicle) than in planktonic form. during incubation of th1 as biofilm with iso-pentylbenzene, the seven intermediates produced were benzoic acid, phenyl ... | 2014 | 24679085 |
| acid lipase from candida viswanathii: production, biochemical properties, and potential application. | influences of environmental variables and emulsifiers on lipase production of a candida viswanathii strain were investigated. the highest lipase activity (101.1 u) was observed at 210 rpm, ph 6.0, and 27.5°c. other fermentation parameters analyzed showed considerable rates of biomass yield (y l/s = 1.381 g/g), lipase yield (y l/s = 6.892 u/g), and biomass productivity (p x = 0.282 g/h). addition of soybean lecithin increased lipase production in 1.45-fold, presenting lipase yield (y l/s ) of 10. ... | 2013 | 24350270 |
| α, ω-dodecanedioic acid production by candida viswanathii ipe-1 with co-utilization of wheat straw hydrolysates and n-dodecane. | candida viswanathii ipe-1 was used to produce α, ω-dodecanedioic acid (dc12), which showed capability to ferment xylose and glucose simultaneously, while arabinose utilization was less efficient. a low concentration of furfural enhanced cell growth, and the addition of 4.0g/l sodium acetate largely increased dc12 production. it indicated that detoxification of the wheat straw hydrolysates was not necessary for the biosynthesis of dc12. based on the promising features of our strain, an efficient ... | 2017 | 28662387 |
| high-level productivity of α,ω-dodecanedioic acid with a newly isolated candida viswanathii strain. | α,ω-dicarboxylic acids (dc) are versatile chemical intermediates with different chain lengths, which are well-known as polymer building block. in this work, a new strain with high productivity of dc was isolated from oil-contaminated soil. based on the morphology and phylogenetic analyses of the internal transcribed spacer sequences, it was characterized as candida viswanathii. it was found that the contribution of carbon flux to the cell growth and dc production from n-dodecane could be regulat ... | 2017 | 28451837 |
| molecular identification of uncommon clinical yeast species in iran. | by using advanced detection/identification methods, the list of emerging uncommon opportunistic yeast infections is rapidly expanding worldwide. our aim in the present study was sequence-based species delineation of previously unidentified yeasts obtained from a clinically yeast collection. | 2015 | 28680981 |