| edible dates (phoenix dactylifera), a potential source of cladosporium cladosporioides and sporobolomyces roseus: implications for public health. | edible dates (phoenix dactylifera) were examined for the presence of endogenous yeasts and filimentous fungi. mean counts of fungi were 530 colony forming units (cfu) per gram of fruit, representing a mixture of two phenotypic colony types. subsequent dna extraction and pcr amplification of these two morphotypes yielded an amplicon of approximately 350 bp with the 5.8s-28s rrna its region. sequence analysis identified these to be cladosporium cladosporioides (230 cfu/g) and sporobolomyces roseus ... | 2002 | 12041868 |
| butyl acetate and yeasts interact in adhesion and germination of botrytis cinerea conidia in vitro and in fungal decay of golden delicious apple. | butyl acetate is a volatile aroma and flavor compound in apple. conidia of three strains of botrytis cinerea, a fungus that causes decay of apple fruit in postharvest storage, had greater adhesion to and greater germination on polycarbonate membrane filters on water inside sealed 500 cc glass jars that were injected with 4 microliters butyl acetate than conidia not so exposed. conidial germination was highly correlated with conidial adhesion. the yeasts sporobolomyces roseus and cryptococcus lau ... | 2001 | 11446303 |
| lactobacillus coryniformis subsp. coryniformis strain si3 produces a broad-spectrum proteinaceous antifungal compound. | the antifungal activity spectrum of lactobacillus coryniformis subsp. coryniformis strain si3 was investigated. the strain had strong inhibitory activity in dual-culture agar plate assays against the molds aspergillus fumigatus, a. nidulans, penicillium roqueforti, mucor hiemalis, talaromyces flavus, fusarium poae, f. graminearum, f. culmorum, and f. sporotrichoides. a weaker activity was observed against the yeasts debaryomyces hansenii, kluyveromyces marxianus, and saccharomyces cerevisiae. th ... | 2001 | 11133421 |
| yeasts and yeast-like organisms isolated from fish-pond waters. | fifteen genera and 29 yeast species were found in the water of three fish-ponds located in the area of the lowland zahorie (slovakia). the fish-ponds were sampled in summer and autumn. aureobasidium, sporobolomyces, candida, and cryptococcus species occurred the most frequently. the composition of yeast species was more heterogeneous in summer than in autumn, but the number of yeasts observed in autumn was 5.5 times higher than those isolated in summer. some species of the genus candida, hyphopi ... | 1995 | 8906934 |
| [yeast biodiversity in hydromorphic soils with reference to grass-sphagnum swamp in western siberia and the hammocky tundra region( barrow, alaska)]. | the microbiological analysis of 78 samples taken from a boreal bog in western siberia and from a tundra wetland soil in alaska showed the presence of 23 yeast species belonging to the genera bullera, candida, cryptococcus, debaryomyces, hanseniaspora, metschnikowia, mrakia, pichia, rhodotorula, saccharomyces, sporobolomyces, torulaspora, and trichosporon. peat samples from the boreal bog were dominated by eurytopic anamorphic basidiomycetous species, such as rhodotorula mucilaginosa and sporobol ... | 2001 | 11763794 |
| [sporobolomyces roseus var. madurae var. nov. and the relations between sporobolomyces species and rhodotorula]. | | 1954 | 14360532 |
| [glucogalactans from sporobolomyces roseus]. | | 1967 | 5627262 |
| degradation of phenylalanine and tyrosine by sporobolomyces roseus. | ammonia-lyase activity for l-phenylalanine, m-hydroxyphenylalanine and l-tyrosine was demonstrated in cell-free extracts of sporobolomyces roseus. cultures of this organism converted dl-[ring-(14)c]phenylalanine and l-[u-(14)c]tyrosine into the corresponding cinnamic acid. tracer studies showed that these compounds were further metabolized to [(14)c]protocatechuic acid. benzoic acid and p-hydroxybenzoic acid were intermediates in this pathway. washed cells of the organism readily utilized cinnam ... | 1968 | 5688927 |
| [alkalitolerant yeasts from natural biotopes]. | using a solid nutrient medium containing alkaline buffer (ph 10) and an antibiotic, alkalitolerant yeasts were isolated from samples of soda-rich saline soils (solonchaks) of armenia (arazdayan) and the transbaikal region (the kungur steppe). the species diversity of the yeast populations of the tested soda-rich soils was relatively insignificant. they only contained alkalitolerant representatives of asporogenic capsulated yeasts belonging to the species cryptococcus laurentii, c. albidus, rhodo ... | 2003 | 14679910 |
| [carotenoids and fatty acids in red yeasts sporobolomyces roseus and rhodotorula glutinis]. | rhodotorula glutinis and sporobolomyces roseus, grown under different aeration regimes, showed differential responses in their carotenoid content. at higher aeration, the concentration of total carotenoids increased relative to biomass and total fatty acids in r. glutinis, but the composition of carotenoids (torulene > beta-carotene > gamma-carotene > torularhodin) remained unaltered. in contrast, s. roseus responded to enhanced aeration by a shift from the predominant beta-carotene to torulene ... | 2004 | 15455720 |
| enumeration of bacterial and yeast colonists of apple fruits and identification of epiphytic yeasts on pear fruits in the pacific northwest united states. | a procedure for the isolation of diverse culturable microflora for the estimation of the population size of yeasts and bacteria on the surface of pome fruits is described. maximum numbers of morphologically distinct colonies of both yeasts and bacteria were recovered from apple fruit surfaces when fruits were shaken for 5 min in sterile phosphate buffer plus tween, sonicated for 5 min, and aliquots of the buffer plated onto diluted yeast malt agar and diluted nutrient broth agar, respectively. t ... | 1996 | 9022303 |
| [effect of c-n ratio in the medium on carotenoid biosynthesis by sporobolomyces roseus 362]. | | 1967 | 5629893 |
| mould spores and yeasts in outdoor air. | most inviable spore counts of outdoor air in europe are based on burkard spore trap results. for viable counts different kinds of slit samplers and andersen sampler are used. results of viable and inviable sampling methods are not completely comparable, but the results complete each other. spore frequencies in outdoor air are almost equal in different nordic countries. cladosporium is the most important spore type everywhere. in south finland it accounts for ca. 85% of viable and ca. 50% inviabl ... | 1985 | 4083413 |
| indigenous yeasts associated with two vitis vinifera grape varieties cultured in southern spain. | the yeast microbiota present on the surface of grapes of two vitis vinifera varieties, pedro ximénez and tempranillo de rioja, grown in the montilla-moriles region of southern spain was identified. the changes between veraison and the physiological ripeness time during 3 years were monitored. overall, the yeast microbiota isolated was of oxidative metabolism. sporobolomyces roseus and cryptococcus albidus species occurred at all physiological stages, in the two vitis vinifera varieties, and the ... | 1999 | 10582378 |
| reclassification of the sporobolomyces roseus and sporidiobolus pararoseus complexes, with the description of sporobolomyces phaffii sp. nov. | more than 50 ballistoconidium-forming yeast strains, isolated from plant leaves collected in yunnan, china, were identified as sporobolomyces roseus kluyver & van niel by conventional methods. however, comparison of the internal transcribed spacer (its) region and 265 rdna d1/d2 domain sequences indicated that these strains represented more than one species. type or authentic strains of the synonyms of sporobolomyces roseus and the closely related species sporidiobolus pararoseus fell & tallman ... | 2002 | 12508902 |
| [effect of microbial elicitors on sclerotia biomass and carotenoid yield in surface cultures of penicillium sp.pt95]. | six kinds of elicitors were prepared respectively from neurospora crassa, monascus purpureus, sporobolomyces roseus, rhodotorula rubra, nocardia sp. n89 and actinoplanes sp. a05. when penicillium sp. pt95 was incubated in czapek's agar plates containing appropriate amounts of elicitors, both its sclerotia biomass and carotenoid content accumulated in sclerotia were enhanced significantly (p < 0.01). among tested elicitors, the elicitors from the fungi n. crassa, m. purpureus, s.-roseus and r. ru ... | 2002 | 12192877 |
| production of sordarin and related metabolites by the coprophilous fungus podospora pleiospora in submerged culture and in its natural substrate. | rabbit pellets collected from the field were colonized by podospora pleiospora at the exclusion of other coprophilous fungi, suggesting antibiosis. in liquid culture, p. pleiospora produced sordarin (1); sordarin b (2), a new compound in which sordarose is replaced by rhamnose; hydroxysordarin (3); and sordaricin (4). the major compounds 1 and 2 exhibited minimum inhibitory concentrations of 0.5-2.5 microg ml(-1) against the yeasts nematospora coryli and sporobolomyces roseus, but showed little ... | 2005 | 16018317 |
| the incidence of killer activity and extracellular proteases in tropical yeast communities. | the presence of killer and proteolytic yeasts was studied among 944 isolates representing 105 species from tropical yeast communities. we found 13 killer toxin producing species, with pichia kluyveri being the most frequent. other killer yeast isolates were candida apis, candida bombicola, candida fructus, candida krusei, candida sorbosa, hanseniaspora uvarum, issatchenkia occidentalis, kloeckera apis, kluyveromyces marxianus, pichia membranaefaciens, pichia ohmeri-like, and sporobolomyces roseu ... | 1997 | 9115090 |
| the effect of substrate on the radiation resistance of yeasts isolated from sausage meat. | the radiation resistance of a selection of yeasts isolated from sausages was assessed in phosphate-buffered saline and in sausage meat. the yeasts candida zeylanoides, debaryomyces hansenii and trichosporon cutaneum exhibited sigmoidal survival curves in both substrates whilst the more sensitive sporobolomyces roseus exhibited an exponential survival curve in buffer but a sigmoidal curve in meat. irradiating c. zeylanoides, d. hansenii and t. cutaneum in sausage meat changed the shape of their s ... | 1996 | 8588892 |
| production of antibacterial compounds by phylloplane-inhabiting yeasts and yeastlike fungi. | the production of antibacterial compounds by yeasts and yeastlike fungi isolated from the phylloplane is reported. aureobasidium pullulans, citeromyces matritensis, cryptococcus laurentii, rhodotorula glutinis, and sporobolomyces roseus produced antibacterial compounds inhibitory to both pseudomonas fluorescens and staphylococcus aureus in an overlay bioassay. in contrast, isolates of candida albicans, filobasidium uniguttulatum, saccharomyces cerevisiae, torulaspora delbruckii, tremella foliace ... | 1994 | 8161185 |
| development of a microbial community of bacterial and yeast antagonists to control wound-invading postharvest pathogens of fruits. | two antagonists, the bacterium pseudomonas syringae and the pink yeast sporobolomyces roseus, against blue mold (caused by penicillium expansum) on apple controlled this disease more effectively when combined at approximately equal biomass (50:50 of the same turbidity) than in individual applications. addition of l-asparagine enhanced the biocontrol effectiveness of p. syringae but decreased that of s. roseus and had no significant effect when the antagonists were combined. populations of both a ... | 1995 | 7574636 |
| reappraisal of the sporobolomyces roseus species complex and description of sporidiobolus metaroseus sp. nov. | here, we investigate a group of red to pinkish ballistoconidia-forming yeasts that were preliminarily identified as sporobolomyces roseus or sporidiobolus pararoseus. detailed molecular and micromorphological studies revealed that the sexual strains and several conspecific anamorphic isolates belonged to a novel teleomorph that represents the sexual stage of sporobolomyces roseus. consequently, a new taxon in the genus sporidiobolus is here described as sporidiobolus metaroseus sp. nov. (type st ... | 2008 | 18319486 |
| purification and properties of urease from sporobolomyces roseus. | urease (ec 3.5.1.5) catalyses the hydrolysis of urea to ammonia and carbon dioxide. the enzyme from sporobolomyces roseus was enriched 780-fold and purified to apparent homogeneity using heat treatment, ion exchange chromatography on q-sepharose fast flow, hydrophobic interaction chromatography on phenyl-sepharose, size exclusion chromatography on sephacryl s 300 hr, and ion exchange chromatography on monoq. analysis of the purified enzyme by sds-page demonstrated the presence of subunits with a ... | 1995 | 8572678 |
| production of volatile metabolites by grape-associated microorganisms. | plant-associated microorganisms fulfill important functions for their hosts. whereas promotion of plant growth and health is well-studied, little is known about the impact of microorganisms on plant or fruit flavor. to analyze the production of volatiles of grape-associated microorganisms, samples of grapes of the red cultivar 'blaufraenkisch' were taken during harvest time from four different vineyards in burgenland (austria). the production of volatiles was analyzed for the total culturable mi ... | 2010 | 20575540 |
| [arthrobacter globiformis - a new yeast-lysing bacterium]. | a bacterium capable to lyse viable yeast cells was isolated from compost enriched with baker's yeast cells and was identified as arthrobacter globiformis. the yeast lytic enzyme complex produced by shaking culture was precipitated with ammonium sulfate, dialyzed and lyophilized. the crude residue contained beta-glucanase and alpha-mannanase, yet not chitinase. optimale carbon sources in the culture medium for a high enzyme synthesis were 0.5% beta-glucan for the production of beta-glucanase, res ... | 1982 | 7157841 |
| the use of solid medium to study effects of cadmium, copper and zinc on yeasts and yeast-like fungi: applicability and limitations. | a defined solid medium has been used to examine the responses of aureobasidium pullulans, saccharomyces cerevisiae and sporobolomyces roseus to cadmium, copper and zinc. experiments where aliquot volumes of metal salt solutions were added to wells in the centre of agar plates revealed marked differences between these organisms. the yeast-like fungus a. pullulans was the least sensitive but s. cerevisiae was more sensitive to cadmium than zinc: the reverse was true for s. roseus. quantitative dat ... | 1983 | 6343331 |
| airborne fungi in the air of barcelona, spain. v. the yeasts. | during a two-year survey of the fungal flora present in the air of barcelona, spain, the following species of yeasts were isolated: sporobolomyces roseus kluyver et van niel, candida albicans (robin) berkhout, rhodotorula glutinis (fres.). harrison var. glutinis and rhodotorula minuta (saito) harrison. diurnal and seasonal incidences are presented. | 1980 | 6996535 |
| biotransformation of lignin polymers derived from beech wood pulping by sporobolomyces roseus isolated from leafy material. | the ability of the yeast, sporobolomyces roseus, isolated from leafy material, to modify lignin derived from beechwood pulping was examined by ftir and 13c nmr spectroscopy, which revealed oxidative cleavage of the calpha-cbeta linkages between lignin units. using veratryl alcohol as a model substrate confirmed that sp. roseus could oxidize veratryl alcohol into veratric acid. this yeast might be suitable for the pretreatment of lignocellulosic materials and/or for biotransformation of technical ... | 2004 | 15127794 |
| the fungal flora of loganberries in relation to storage and spoilage. | botrytis cinerea, cladosporium spp., penicillium spp., aureobasidium pullulans, mucor mucedo, phoma state of didymella applanata, cryptococcus laurentii var. laurentii, c. albidus var. albidus, candida sake and sporobolomyces roseus were consistently present on freshly harvested loganberries. botrytis cinerea was the main spoilage organism with mucor mucedo of minor importance. the importance of benomyl-resistant strains of b. cinerea is discussed. | 1977 | 557301 |
| biodegradation of phenol and phenol-related compounds by psychrophilic and cold-tolerant alpine yeasts. | we characterized 32 cold-adapted, psychrophilic and cold-tolerant, yeast strains isolated from alpine habitats with regard to their taxonomy, growth temperature profile, and ability to degrade phenol and 18 phenol-related mono-aromatic compounds at 10 degrees c. twenty of the strains were identified by sequencing of the ribosomal its region as seven species of the basidiomycota: cryptococcus terreus (three strains), cryptococcus terricola (one strain), rhodosporidium lusitaniae (two strains), rh ... | 2004 | 15823324 |
| decreased permeability as a mechanism of resistance to methyl benzimadazol-2-yl carbamate (mbc) in sporobolomyces roseus. | mutants of sporobolomyces roseus resistant to benzimidazole fungicides varied in their responses to 2-(thiazol-4-yl) benzimidazole (thiabendazole, tbz), methyl 1-(butylcarbamoyl)-benzimidazol-2-yl carbamate (benomyl) and methyl benzimidazol-2-yl carbamate (carbendazim, mcb). incorporation of 14c mbc into trichloroacetic acid extracts of the sensitive strain s4 increased during a 2 h incubation period, whereas incorporation into the resistant mutant m55 was unchanged. 14c mbc uptake by s4 cells w ... | 1976 | 6624 |
| use of several waste substrates for carotenoid-rich yeast biomass production. | carotenoids are industrially significant pigments produced in many bacteria, fungi, and plants. carotenoid biosynthesis in yeasts is involved in stress response mechanisms. thus, controlled physiological and nutrition stress can be used for enhanced pigment production. huge commercial demand for natural carotenoids has focused attention on developing of suitable biotechnological techniques including use of liquid waste substrates as carbon and/or nitrogen source. in this work several red yeast s ... | 2011 | 21741756 |
| [seasonal dynamics in a yeast population on the oxalis acetosella l. leaves]. | analysis of an epiphytic yeast population on the leaves of the evergreen common wood sorrel oxalis acetosella l. throughout a year showed that the density and the species composition of this population underwent regular seasonal changes. there were almost no yeasts on the young spring leaves. however, the yeast population on the mature leaves tended to increase in the autumn, reaching a maximum after the formation of continuous snow cover. then the yeast population on the leaves tended to decrea ... | 2004 | 15198035 |
| molecular monitoring of spoilage yeasts during the production of candied fruit nougats to determine food contamination sources. | in the present work, we have analysed the yeast microbiota present in a manufacturing plant of candied fruits and nougats. four yeasts species (zygosaccharomyces bailii, zygosaccharomyces rouxii, sporobolomyces roseus, and debaryomyces hansenii) and a filamentous fungi (nectria mauriiticola) were identified according to restriction analysis of 5.8s-its rdna. these identifications were subsequently confirmed by sequencing the d1/d2 domain of the 26s rrna gene. z. rouxii and z. bailii were isolate ... | 2005 | 15925712 |
| biotechnological conversion of spent coffee grounds into polyhydroxyalkanoates and carotenoids. | coffee is one of the world's most popular beverages and has been growing steadily in commercial importance. nowadays, coffee is the second largest traded commodity in the world, after petroleum. hence, coffee industry is responsible for the generation of large amounts of waste, especially spent coffee grounds (scg). various attempts to valorize this waste stream of coffee industry were made. this article summarizes our research and publications aiming at the conversion of scg into valuable produ ... | 2015 | 25721970 |
| application of issr-pcr for rapid strain typing of debaryomyces hansenii isolated from dry-cured iberian ham. | yeast populations of dry-cured iberian ham isolated from seven industries in the province of badajoz were characterized by issr-pcr using the (cag)4 primer and pcr-rflp of the its1-5.8s rrna-its2 fragment, and identified by dna sequencing. a total of 242 isolates were analyzed, indicating the primary species present was debaryomyces hansenii at 80.9% of the isolates followed by candida zeylanoides at 10.3% of the isolates. the remainders of isolates were identified as yamadazyma triangularis, sp ... | 2014 | 24929738 |
| [resistance of various yeast ecological groups to prolonged storage in dry state]. | resistance of 14 yeast species belonging to different ecological groups to extensive storage in a dried state was investigated. pedobiotic yeasts isolated mainly from the soils of humid areas (cryptococcus podzolicus, cr. terricola, and lipomyces starkeyi) were the least resistant. the yeasts associated with the nectar of entomophilous plants (metschnikowia reukaufii and candida bombi) also exhibited low resistance to drying. complete death of these species occurred during the first month of sto ... | 2015 | 26263698 |
| fiber reduction and lipid enrichment in carotenoid-enriched distillers dried grain with solubles produced by secondary fermentation of phaffia rhodozyma and sporobolomyces roseus. | carotenoid-enriched distillers dried grain with solubles (ddgs) developed as a value-added animal feed to provide carotenoids from mono and mixed culture (mx) fermentation of red yeasts phaffia rhodozyma (pr) and sporobolomyces roseus (sr) were evaluated for their nutritional composition and compared to the control (c) ddgs. apart from providing carotenoids, all three fermentation treatments reduced fiber with best reduction of 77% in pr, enhanced crude fat with highest of 81% in mx, and reduced ... | 2010 | 21082765 |
| isolation, selection and evaluation of antagonistic yeasts and lactic acid bacteria against ochratoxigenic fungus aspergillus westerdijkiae on coffee beans. | in this study, yeasts and lactic acid bacteria (lab) were isolated from coffee fruits and identified via biochemical and molecular approaches. the isolates represented the pichia, debaryomyces, candida, clavispora, yarrowia, sporobolomyces, klyveromyces, torulaspora and lactobacillus genera. four isolates, namely pichia fermentans lpbyb13, sporobolomyces roseus lpby7e, candida sp. lpby11b and lactobacillus brevis lpbb03, were found to have the greatest antagonist activity against an ochratoxigen ... | 2016 | 26544541 |
| influence of zinc, lead, and cadmium pollutants on the microflora of hawthorn leaves. | transect studies were conducted to determine the relative effects of zinc, lead, and cadmium pollution on microorganisms occurring on hawthorn leaves at varying distances from a smelting complex.sporobolomyces roseus was absent from the most heavily contaminated leaves but, although lead was inhibitory, other environmental factors were also important in determining its overall population level. conversely,aureobasidium pullulans and nonpigmented yeasts showed a significant partial positive corre ... | 1980 | 24227130 |
| the fungal community changes over time in developing wheat heads. | under normal conditions, wheat is colonized by a multitude of fungi that can have beneficial or adverse effects on plant growth and yield. to study the effect of spraying wheat heads with fungicides on the fungal community from emergence to harvest we applied an amplicon sequencing approach on single wheat heads. the climatic data showed that the spring of 2014 was very dry and without precipitation in the two weeks around flowering. an initial quantitative pcr showed that the total amount of fu ... | 2016 | 26836252 |
| identification of mating type genes in the bipolar basidiomycetous yeast rhodosporidium toruloides: first insight into the mat locus structure of the sporidiobolales. | rhodosporidium toruloides is a heterothallic, bipolar, red yeast that belongs to the sporidiobolales, an order within a major lineage of basidiomycetes, the pucciniomycotina. in contrast to other basidiomycetes, considerably less is known about the nature of the mating type (mat) loci that control sexual reproduction in this lineage. three genes (rha1, rha2, and rha3) encoding precursors of the mat a1 pheromone (rhodotorucine a) were previously identified and formed the basis for a genome walkin ... | 2008 | 18408057 |
| enhancement of biocontrol of blue mold with the nutrient analog 2-deoxy-d-glucose on apples and pears. | the glucose analog, 2-deoxy-d-glucose (2-dog) enhanced biocontrol of blue mold (caused by penicillium expansum), the most important postharvest disease of apples and pears. 2-dog strongly inhibited p. expansum, and of the two antagonists investigated, pseudomonas syringae was resistant to 2-dog at 10 mg/ml whereas sporobolomyces roseus was susceptible. a mutant of s. roseus resistant to 2-dog was developed. addition of 2-dog at 4 mg/ml allowed more than a 10-fold reduction in the concentration o ... | 1994 | 16349342 |
| isolation and optimisation of the oleaginous yeast sporobolomyces roseus for biosynthesis of (13)c isotopically labelled 18-carbon unsaturated fatty acids and trans 18:1 and 18:2 derivatives through synthesis. | an oleaginous and psychrotrophic strain (f38-3) of sporobolomyces roseus kluyver & van niel was isolated from a salt marsh environment in nova scotia, canada following a screening program to select for high producers of 18-carbon unsaturated fatty acids. fatty acid production was characterised as a function of temperature at 20 g glucose l(-1), and optimal yields were obtained at 14°c, achieving 5.7 g dw biomass and 39.2% total fatty acids by dry weight, with 18:1, 18:2 and 18:3 all-cis fatty ac ... | 2011 | 21809096 |
| sporobolomyces roseus in the cerebrospinal fluid of an immunocompetent patient - to treat or not to treat? | we present the case of an immunocompetent male who presented with symptoms of meningitis. yeasts were seen in two consecutive cerebrospinal fluid samples, which were identified by pcr as sporobolomyces roseus. this yeast is rarely encountered in clinical settings, and has only previously been seen to cause infection in immunocompromised patients. this case highlights the challenges presented by the identification of an unusual pathogen in an unexpected clinical setting. | 2011 | 21940654 |
| ultrastructure of methanotrophic yeasts. | the cellular structure of two yeast strains capable of growth on methane was investigated by electron microscopy. microbodies were observed in cells of sporobolomyces roseus strain y and rhodotorula glutinis strain cy when grown on methane but rarely when grown on glucose. the size of the microbodies and the number observed per cell in a thin section did not increase with culture age. no crystalline organization was observed within these organelles. similar microbodies were also observed in cell ... | 1980 | 7189193 |
| granulomatous meningoencephalitis associated with sporobolomyces roseus in a dog. | a german shepherd dog was evaluated for clinical signs of multifocal, progressive brain disease. despite supportive care, the dog died shortly after hospital admission. granulomatous meningoencephalitis with intralesional fungal hyphae was diagnosed postmortem. the fungus was identified as sporobolomyces roseus by polymerase chain reaction amplification and sequencing of the its2 region. | 2010 | 21149846 |
| production and optimization of carotenoid-enriched dried distiller's grains with solubles by phaffia rhodozyma and sporobolomyces roseus fermentation of whole stillage. | whole stillage--a co-product of grain-based ethanol--is used as an animal feed in the form of dried distiller's grain with solubles (ddgs). since animals cannot synthesize carotenoids and animal feed is generally poor in carotenoids, about 30-120 ppm of total carotenoids are added to animal feed to improve animal health, enhance meat color and quality, and increase vitamin a levels in milk and meat. the main objective of this study was to produce carotenoid (astaxanthin and β-carotene)-enriched ... | 2010 | 20585831 |
| [pigmented basidiomycete yeasts are a promising source of carotenoids and ubiquinone q10]. | strains of basidiomycete yeasts isolated from different sources were studied in order to determine the content of carotenoid pigments and ubiquinone q10 for subsequent selection work to obtain producers of these substances. high specific productivity of carotenoids (600-700 mg/g) was revealed in the representatives of the following species: cystofilobasidium capitatum. rhodosporidium diobovatum, r. sphaerocarpum. rhodotorula glutinis, rh. minuta, and sporobolomyces roseus. the ratio of the major ... | 2008 | 18365716 |
| influence of climatic and nutritional factors on yeast population dynamics in the phyllosphere of wheat. | the role of saprophytic phyllosphere yeasts in removing aphid honeydew and other nutrients from wheat leaves was evaluated in growth cabinet experiments at different temperatures and relative humidities. population densities of both pink and white yeasts (sporobolomyces roseus and cryptococcus laurentii, respectively) increased between 12 and 24°c, if nutrients were supplied. white yeast numbers increased rapidly at a constant vapor pressure deficit (vpd) of 0.10 kpa and alternating vpds of 0.10 ... | 1992 | 24192828 |
| yeast biogeography and the effects of species recognition approaches: the case study of widespread basidiomycetous species from birch forests in russia. | understanding diversity and distribution patterns of fungi, including yeasts, ultimately depends on accuracy of species recognition. however, different approaches to yeast species recognition often result in different entities or operational taxonomic units. we studied the effects of using different yeast species recognition approaches, namely morphological species recognition (msr) and phylogenetic species recognition (psr), on the distribution patterns of widespread basidiomycetous yeasts. hen ... | 2015 | 25527366 |
| enhanced antioxidant formula based on a selenium-supplemented carotenoid-producing yeast biomass. | carotenoid-producing yeast species such as rhodotorula glutinis and sporobolomyces roseus efficiently accumulated selenium from the growth medium. it was observed that incorporation of selenium into yeast cells during the growth inhibited production of beta-carotenoid and other carotenoid precursors (torularhodin and torulene). the yeasts with high content of the carotenoid pigments and selenium may be used for the preparation of a new type of antioxidant formula that could be directly applied f ... | 2008 | 18357552 |
| identification and characterization of yeasts isolated from sedimentary rocks of union glacier at the antarctica. | the study of the yeasts that inhabit cold environments, such as antarctica, is an active field of investigation oriented toward understanding their ecological roles in these ecosystems. in a great part, the interest in cold-adapted yeasts is due to several industrial and biotechnological applications that have been described for them. the aim of this work was to isolate and identify yeasts from sedimentary rock samples collected at the union glacier, antarctica. furthermore, the yeasts were phys ... | 2016 | 27215207 |
| utilization of hydrothermally pretreated wheat straw for production of bioethanol and carotene-enriched biomass. | in this work hydrothermally pretreated wheat straw was used for production of bioethanol by saccharomyces cerevisiae and carotene-enriched biomass by red yeasts rhodotorula glutinis, cystofilobasidium capitatum and sporobolomyces roseus. to evaluate the convertibility of pretreated wheat straw into ethanol, simultaneous saccharification and fermentation of s. cerevisiae was performed under semi-anaerobic conditions. the highest ethanol production efficiency of 65-66% was obtained following pretr ... | 2013 | 23434815 |