| three new combinations from the cryptococcus laurentii complex: cryptococcus aureus, cryptococcus carnescens and cryptococcus peneaus. | fifteen strains of the cryptococcus laurentii complex were reclassified based on sequence analyses of 18s rdna, the d1/d2 region of the 26s rdna and the internal transcribed spacer regions, as well as physiological and biochemical properties. the strains were divided into phylogenetic groups i and ii. the type strain of c. laurentii (cbs 139t=atcc 18803t=jcm 9066t=mucl 30398t=nrrl y-2536t) was in phylogenetic group i. phylogenetic group ii, which was phylogenetically distant from phylogenetic gr ... | 2003 | 12892148 |
| structural studies of the capsular polysaccharide of a non-neoformans cryptococcus species identified as c. laurentii, which was reclassified as cryptococcus flavescens, from a patient with aids. | cryptococcus flavescens, a strain originally identified as c. laurentii, was isolated from the cerebrospinal fluid of an aids patient, and the soluble capsular polysaccharide of the yeast was investigated. glucuronoxylomannan (gxm) was obtained from c. flavescens under conditions similar to those used to obtain c. neoformans polysaccharide. however, the gxm differed from c. neoformans polysaccharide in the decreased o-acetyl group content. the structure of gxm was determined by methylation analy ... | 2004 | 15013387 |
| in vitro attachment of phylloplane yeasts to botrytis cinerea, rhizoctonia solani, and sclerotinia homoeocarpa. | the ability of yeasts to attach to hyphae or conidia of phytopathogenic fungi has been speculated to contribute to biocontrol activity on plant surfaces. attachment of phylloplane yeasts to botrytis cinerea, rhizoctonia solani, and sclerotinia homoeocarpa was determined using in vitro attachment assays. yeasts were incubated for 2 d on potato dextrose agar (pda) prior to experimentation. a total of 292 yeasts cultured on pda were screened for their ability to attach to conidia of b. cinerea; 260 ... | 2004 | 15714235 |
| osmotic shock tolerance and membrane fluidity of cold-adapted cryptococcus flavescens oh 182.9, previously reported as c. nodaensis, a biocontrol agent of fusarium head blight. | cryptococcus flavescens (previously reported as c. nodaensis), a biological control agent of fusarium head blight, has been previously shown to have improved desiccation tolerance after cold adaptation. the goal of the current study was to determine the effect of cold adaptation on the physicochemical properties of c. flavescens that may be responsible for its improved desiccation tolerance. the results show that cold adaptation improves liquid hyperosmotic shock tolerance and alters the tempera ... | 2007 | 17233765 |
| carbon-to-nitrogen ratio and carbon loading of production media influence freeze-drying survival and biocontrol efficacy of cryptococcus nodaensis oh 182.9. | abstract fusarium head blight (fhb), caused by gibberella zeae, is a devastating disease of wheat worldwide. cryptococcus nodaensis oh 182.9 is an effective biocontrol agent for this disease. development of a dried product of oh 182.9 would have potential advantages of ease of handling, favorable economics, and acceptance by end users. isolate oh 182.9 was grown for 48 and 72 h in semi-defined complete liquid (sdcl) medium with carbon-to-nitrogen (c/n) ratios of 6.5:1, 9:1, 11:1, 15:1, and 30:1, ... | 2005 | 18943778 |
| cryptococcus terrestris sp. nov., a tremellaceous, anamorphic yeast phylogenetically related to cryptococcus flavescens. | cryptococcus terrestris sp. nov. (basidiomycota, agaricomycotina, tremellomycetes, tremellales) is typified by cjdx4 y23(t) (=cbs 10810(t) =nrrl y-48451(t)), isolated from forest soil in oklahoma, usa. this species is most readily identified by the sequence of the d1/d2 domain region of the 26s rdna and its (internal transcribed spacer) region. additional strains from oklahoma (c107dx4 y11 =cbs 10813 =nrrl y-48452) and brazil (ep11c =cbs 10812 =nrrl y-48454; 56e =cbs 10811 =nrrl y-48453) either ... | 2009 | 19244451 |
| diversity of endophytic yeasts from sweet orange and their localization by scanning electron microscopy. | endophytes are microorganisms that colonize plant tissues internally without causing harm to the host. despite the increasing number of studies on sweet orange pathogens and endophytes, yeast has not been described as a sweet orange endophyte. in the present study, endophytic yeasts were isolated from sweet orange plants and identified by sequencing of internal transcribed spacer (its) rrna. plants sampled from four different sites in the state of são paulo, brazil exhibited different levels of ... | 2009 | 19798655 |
| yeast species associated with wine grapes in china. | having more information on the yeast ecology of grapes is important for wine-makers to produce wine with high quality and typical attributes. china is a significant wine-consuming country and is becoming a serious wine-producer, but little has been reported about the yeast ecology of local ecosystems. this study provides the first step towards the exploitation of the yeast wealth in china's vine-growing regions. the aim of this study was to investigate the yeast population density and diversity ... | 2010 | 20116124 |
| the first reported case of canine subcutaneous cryptococcus flavescens infection. | this report describes the first documented case of subcutaneous infection due to cryptococcus flavescens in a dog. the chief symptoms of the patient dog were abscessed lesions on the dorsal muzzle, right eyelid, and lower jaw. biopsy specimens from the lesions on the dorsal muzzle and lower jaw showed pyogranulomatous inflammation with numerous yeast cells. the patient dog was diagnosed with a subcutaneous fungal infection and orally received 5 mg/kg itraconazole once a day for 2 months, the abs ... | 2011 | 21964623 |
| escmid and ecmm joint clinical guidelines for the diagnosis and management of rare invasive yeast infections. | the mortality associated with invasive fungal infections remains high with that involving rare yeast pathogens other than candida being no exception. this is in part due to the severe underlying conditions typically predisposing patients to these healthcare-related infections (most often severe neutropenia in patients with haematological malignancies), and in part due to the often challenging intrinsic susceptibility pattern of the pathogens that potentially leads to delayed appropriate antifung ... | 2014 | 24102785 |
| gene cloning, purification, and characterization of a novel peptidoglutaminase-asparaginase from aspergillus sojae. | glutaminase is an enzyme that catalyzes the hydrolysis of l-glutamine to l-glutamate, and it plays an important role in the production of fermented foods by enhancing the umami taste. by using the genome sequence and expressed sequence tag data available for aspergillus oryzae rib40, we cloned a novel glutaminase gene (asgaha) from aspergillus sojae, which was similar to a previously described gene encoding a salt-tolerant, thermostable glutaminase of cryptococcus nodaensis (cngaha). the structu ... | 2012 | 22610430 |
| yeasts associated with an abandoned mining area in pernek and their tolerance to different chemical elements. | four plants, cirsium arvense (creeping thistle), equisetum arvense (field horsetail), oxalis acetosella (wood sorrel) and phragmites australis (common reed), which grew in an abandoned sb-mining area in pernek (malé karpaty mts., slovakia), were investigated for the yeast species. yeasts were isolated from both the leaves of the plants and the soil adjacent to the plants. in total, 65 yeast cultures, belonging to 11 ascomycetous and 5 basidiomycetous yeast species, were isolated. the species mos ... | 2016 | 26358066 |
| diversity of culturable yeasts in phylloplane of sugarcane in thailand and their capability to produce indole-3-acetic acid. | yeasts were isolated by the enrichment technique from the phylloplane of 94 samples of sugarcane leaf collected from seven provinces in thailand. all sugarcane leaf samples contained yeasts and 158 yeast strains were obtained. on the basis of the d1/d2 domain of the large subunit rrna gene sequence analysis, 144 strains were identified to 24 known species in 14 genera belonging to the ascomycota viz. candida akabanensis, candida dendronema, candida mesorugosa, candida michaelii, candida nivarien ... | 2014 | 24442819 |
| yeast diversity isolated from grape musts during spontaneous fermentation from a brazilian winery. | saccharomyces and non-saccharomyces yeast species from a winery located in brazil were identified by ribosomal gene-sequencing analysis. a total of 130 yeast strains were isolated from grape surfaces and musts during alcoholic fermentation from isabel, bordeaux, and cabernet sauvignon varieties. samples were submitted to pcr-rflp analysis and genomic sequencing. thirteen species were identified: candida quercitrusa, candida stellata, cryptococcus flavescens, cryptococcus laurentii, hanseniaspora ... | 2013 | 23636496 |
| indigenous georgian wine-associated yeasts and grape cultivars to edit the wine quality in a precision oenology perspective. | in georgia, one of the most ancient vine-growing environment, the homemade production of wine is still very popular in every rural family and spontaneous fermentation of must, without addition of chemical preservatives, is the norm. the present work investigated the yeast biodiversity in five georgian areas (guria, imereti, kakheti, kartli, ratcha-lechkhumi) sampling grapes and wines from 22 different native cultivars, in 26 vineyards and 19 family cellars. one hundred and eighty-two isolates we ... | 2016 | 27047468 |
| correction: multigene assessment of the species boundaries and sexual status of the basidiomycetous yeasts cryptococcus flavescens and c. terrestris (tremellales). | | 2015 | 25910228 |
| multigene assessment of the species boundaries and sexual status of the basidiomycetous yeasts cryptococcus flavescens and c. terrestris (tremellales). | cryptococcus flavescens and c. terrestris are phenotypically indistinguishable sister species that belong to the order tremellales (tremellomycetes, basidiomycota) and which may be mistaken for c. laurentii based on phenotype. phylogenetic separation between c. flavescens and c. terrestris was based on rdna sequence analyses, but very little is known on their intraspecific genetic variability or propensity for sexual reproduction. we studied 59 strains from different substrates and geographic lo ... | 2015 | 25811603 |
| phylogenetic analysis of phenotypically characterized cryptococcus laurentii isolates reveals high frequency of cryptic species. | although cryptococcus laurentii has been considered saprophytic and its taxonomy is still being described, several cases of human infections have already reported. this study aimed to evaluate molecular aspects of c. laurentii isolates from brazil, botswana, canada, and the united states. | 2014 | 25251413 |
| characterization of the surface properties of wheat spikelet components grown under different regimens and the biocontrol yeast cryptococcus flavescens. | surface properties play an important role in plant-microbe interactions and determine if microbial propagules adhere to the surface of a plant. fusarium head blight is an important disease of wheat that is initiated by the pathogen colonizing the wheat head. to better understand how surface properties of wheat may affect disease development and spray applications, the surface properties of wheat (triticum aestivum l.) spikelet components were characterized under different environmental growing r ... | 2014 | 24410183 |
| draft genome sequence of cryptococcus flavescens strain oh182.9_3c, a biocontrol agent against fusarium head blight of wheat. | cryptococcus flavescens strain oh182.9_3c (3c) is a novel biopesticidal agent that can be used to control fusarium head blight of wheat. here we present the draft genome sequence for 3c, the first for the species c. flavescens. additionally, several genes that may contribute to the biocontrol activities of 3c were identified in silico. | 2013 | 24072864 |