| yeast species utilizing uric acid, adenine, n-alkylamines or diamines as sole source of carbon and energy. | yeast strains utilizing uric acid, adenine, monoamines or diamines as sole source of carbon and energy were isolated from several soil samples by the enrichment culture method. the most common species was trichosporon cutaneum. strains of candida catenulata, c. famata, c. parapsilosis, c. rugosa, cryptococcus laurentii, stephanoascus ciferrii and tr. adeninovorans were also isolated. all strains utilizing uric acid as sole carbon source utilized some primary n-alkyl-l-amines, hydroxyamines or di ... | 1985 | 4091535 |
| nadh dehydrogenase subunit genes in the mitochondrial dna of yeasts. | the genes encoding the nadh dehydrogenase subunits of respiratory complex i have not been identified so far in the mitochondrial dna (mtdna) of yeasts. in the linear mtdna of candida parapsilosis, we found six new open reading frames whose sequences were unambiguously homologous to those of the genes known to code for nadh dehydrogenase subunit proteins of different organisms, i.e., nd1, nd2, nd3, nd4l, nd5, and nd6. the gene for nd4 also appears to be present, as judged from hybridization exper ... | 1994 | 7521869 |
| mycotic and algal bovine mastitis in denmark. | a one-year examination of mammary secretions (n = 2,896) from danish cattle with clinical or subclinical mastitis revealed 45 strains of fungi and algae. the strains originated from 44 mammary secretions of 42 cows in 40 herds. the following species of fungi were identified: candida catenulata (n = 2), candida kefyr (n = 6), candida krusei (n = 17), candida rugosa (n = 6), candida tropicalis (n = 3), candida valida (n = 1), geotrichum capitatum (n = 5). the algal species prototheca zopfii was de ... | 1994 | 8068305 |
| the occurrence and growth of yeasts in camembert and blue-veined cheeses. | yeast populations greater than 10(6) cfu/g were found in approximately 54% and 36%, respectively in surface samples of retail camembert (85 samples) and blue-veined (45 samples) cheeses. the most predominant species isolated were debaryomyces hansenii, candida catenulata, c. lipolytica, c. kefyr, c. intermedia, saccharomyces cerevisiae, cryptococcus albidus and kluyveromyces marxianus. the salt concentration of the surface samples of the cheeses varied between 2.5-5.5% (w/w) (camembert) and 7.5- ... | 1996 | 8652347 |
| ability of rapid yeast plus system to identify 304 clinically significant yeasts within 5 hours. | the rapid yeast plus system (innovative diagnostic systems, norcross, ga.) is a qualitative micromethod that uses conventional and chromogenic substrates for the identification of medically important yeasts. the ability of the rapid yeast plus system to accurately identify 304 clinical yeast isolates within 5 h was evaluated. the rapid yeast plus method correctly identified 286 (94.1%) of strains to the species level without the need for additional tests. a further 12 strains (3.9%) were classif ... | 1996 | 8727877 |
| growth of yeasts in milk and associated changes to milk composition. | the growth of several yeast species in milk containing added sodium chloride (0-15%, w/v) at 25 degrees c and 10 degrees c was examined in conjunction with yeast metabolism of milk constituents. depending on conditions, all yeasts grew to maximum populations of 10(7)-10(8) cfu/ml. kluyveromyces marxianus gave strong utilisation of lactose and weak metabolism of citrate, protein and fat with the production of ethanol, glycerol, lactic acid and propionic acid. as measured by the production of free ... | 1996 | 8880309 |
| structure of a cell wall mannan from the pathogenic yeast, candida catenulata: assignment of 1h nuclear magnetic resonance chemical shifts of the inner alpha-1,6-linked mannose residues substituted by a side chain. | we performed an enzyme-linked immunosorbent assay of the cell wall mannan purified from the pathogenic yeast, candida catenulata, using antisera to factors of the genus candida. the results suggest that mannan possesses a linear backbone consisting of alpha-1, 6-linked mannose residues and side chains possessing nonreducing terminal alpha-1,2- and alpha-1,3-linked mannose residues. the chemical structure of the mannan was analyzed by two-dimensional homonuclear hartmann-hahn and two-dimensional ... | 1997 | 9143354 |
| yeast profile in gouda cheese during processing and ripening. | the yeasts present in gouda cheese during processing were monitored in a single cheese factory during a 32 day ripening period. despite the predominance of lactic acid bacteria during gouda making, yeasts played a significant role in the ripening process in reaching counts as high as 10(5) cfu g(-1) at the later stages of ripening. the increase in the number of yeasts corresponded with the depletion in lactose content and the simultaneous stabilization of lactic acid bacteria numbers. the source ... | 1998 | 9706786 |
| pigment producing yeasts involved in the brown surface discoloration of ewes' cheese. | the appearance of a brown surface discoloration on portuguese ewes' cheese has never previously been reported on. the regular occurrence of this defect over the past few years has caused serious financial losses to producers, which has led to growing interest in its study. this paper describes a preliminary approach to the problem, based on the hypothesis that pigment producing yeasts are involved. from a group of 51 yeast strains isolated from a number of brown cheese rinds, it was possible to ... | 1998 | 9706790 |
| candida catenulata fungemia in a cancer patient. | we report the first case of fungemia due to candida catenulata, a contaminant of dairy products. c. catenulata was isolated from three blood cultures of a patient with gastric cancer. the patient failed to respond to fluconazole but recovered after treatment was switched to amphotericin b. in vitro, c. catenulata was susceptible to amphotericin b and itraconazole and was also susceptible to fluconazole in dose-dependent manner. the likely portal of entry was the digestive tract, as the patient o ... | 1999 | 9889248 |
| phenotypic and genotypic identification of yeasts from cheese. | eighty-five years strains isolated from different cheeses of austria, denmark, france, germany, and italy were identified using physiological methods and genotypically using random amplified polymorphic dna polymerase chain reaction (rapd-pcr) analysis. good congruence was found between the phenotypic and genotypic data for 39 of the isolates. however, 26 isolates of geotrichum could only be identified to the species level using the genotypic methods and 7 isolates were correctly identified to t ... | 1999 | 10510714 |
| occurrence and characterization of yeasts isolated from milks and dairy products of apulia region. | one hundred and five strains of yeasts isolated from milk of different animal origin and from typical apulian cheeses were studied to identify and characterize yeast strains for further selection as starter cultures for cheese production. the most prevalent isolates belonged to the species trichosporon cutaneum (15.24%), candida catenulata (10.48%) and yarrowia lipolytica (8.57%). in order to evaluate the potential use as starter cultures, the occurrence of some selected properties, such as ferm ... | 2001 | 11589554 |
| characterization of yeast isolates originating from hungarian dairy products using traditional and molecular identification techniques. | yeast isolates collected from various hungarian dairy products were identified using simplified identification system (sim) and restriction fragment analysis of pcr-amplified 18s rdna with the neighbouring its1 region (its-pcr; ribotyping). the isolates were grouped into 26 species; geotrichum candidum, debaryomyces hansenii, yarrowia lipolytica, kluyveromyces lactis and candida catenulata were found as the predominant species. sim and its-pcr proved to be useful and convenient taxonomic tools f ... | 2003 | 12892927 |
| [groups and sources of yeasts in house dust]. | house dust contains bacteria, mycelial fungi, microarthropods, and yeasts. the house dust samples collected in 25 apartments in moscow and the moscow region were found to contain yeasts belonging to the genera candida, cryptococcus, debaryomyces, rhodotorula, sporobolomyces, and trichosporon. the most frequently encountered microorganisms were typical epiphytic yeasts, such as cryptococcus diffluens and rhodotorula mucilaginosa, which are capable of long-term preservation in an inactive state. t ... | 2004 | 15074050 |
| mycological examinations on the fungal flora of the chicken comb. | a total of 500 combs of adult chickens from two different locations in germany (hessen and schleswig-holstein) were clinically and mycologically examined. the chickens came from three battery cages (n = 79), one voliere system (n=32), six flocks maintained on deep litter (n = 69) and 12 flocks kept on free outdoor range (n=320). twenty-two of the 500 chicken combs (4.4%) were found to have clinical signs: only non-specific lesions neither typical of mycosis nor of avian pox such as desquamation ... | 2005 | 15743428 |
| yeast community survey in the tagus estuary. | the yeast community in the waters of the tagus estuary, portugal, was followed for over a year in order to assess its dynamics. yeast occurrence and incidence were measured and this information was related to relevant environmental data. yeast occurrence did not seem to depend upon tides, but river discharge had a dramatic impact both on the density and diversity of the community. the occurrence of some yeasts was partially correlated with faecal pollution indicators. yeast isolates were charact ... | 2005 | 16329949 |
| dynamics and characterization of yeasts during ripening of typical italian dry-cured ham. | the evolution of the yeast population during manufacturing and ripening of dry-cured parma ham was investigated. contamination levels ranged from 10(5) to 10(7) cfu/g on muscle surface, 10(4) to 10(6) cfu/g on covering fat and exceeded 10(7) cfu/g on spreadable fat mince ("sugna"). two hundred and sixty one yeast isolates underwent identification test, showing that the predominant species of yeast population during the whole maturing process were debaryomyces hansenii, candida zeylanoides, debar ... | 2007 | 17418308 |
| stability of the biodiversity of the surface consortia of gubbeen, a red-smear cheese. | a total of 1,052 bacteria and 828 yeasts were isolated from the surface flora of 6 batches of gubbeen cheese made in 1996-1997 and 2002-2003. stability of the microflora was evaluated over time and also during ripening at 4, 10, and 16 d (batches 4, 5, and 6) or at 4, 16, 23, and 37 d (batches 1, 2, and 3). bacteria were identified using pulsed-field gel electrophoresis, repetitive extragenic palindromic-pcr, and 16s rrna gene sequencing, and yeasts were identified by fourier transform infrared ... | 2007 | 17430918 |
| bioremediation of oil-contaminated soil using candida catenulata and food waste. | even though petroleum-degrading microorganisms are widely distributed in soil and water, they may not be present in sufficient numbers to achieve contaminant remediation. in such cases, it may be useful to inoculate the polluted area with highly effective petroleum-degrading microbial strains to augment the exiting ones. in order to identify a microbial strain for bioaugmentation of oil-contaminated soil, we isolated a microbial strain with high emulsification and petroleum hydrocarbon degradati ... | 2008 | 18620787 |
| biological diversity of yeasts in the gastrointestinal tract of weaned piglets kept under different farm conditions. | the study was conducted to determine yeasts present in the gastrointestinal tract (git) of piglets kept under experimental farm (ef) and commercial farm (cf) conditions. ninety five german landrace full- and half-sibling piglets were sacrificed at 39 days of age. sixty eight piglets were weaned at 28th day of life, when they were offered one diet ad libitum. twenty seven piglets remained unweaned by their dams. none of the piglets received any creep feed before weaning. digesta samples were coll ... | 2008 | 19054135 |
| naturally acquired systemic dual infection caused by candida famata (debaryomyces hansenii) and candida catenulata in albino rats bred for sale in the market at jabalpur (madhya pradesh), india. | | 2010 | 19298355 |
| assessment of the microbial diversity at the surface of livarot cheese using culture-dependent and independent approaches. | the microbial diversity of the surface of a commercial red-smear cheese, livarot cheese, sold on the retail market was studied using culture-dependent and independent approaches. forty yeasts and 40 bacteria from the cheese surface were collected, dereplicated using single-strand conformation polymorphism (sscp) analysis and identified using rrna gene sequencing for the culture-dependent approach. the culture-independent approach involved cloning and sequencing of the 16s rrna gene and sscp anal ... | 2009 | 19481828 |
| molecular identification of yeasts associated with traditional egyptian dairy products. | this study aimed to examine the diversity and ecology of yeasts associated with traditional egyptian dairy products employing molecular techniques in yeast identification. a total of 120 samples of fresh and stored domiati cheese, kariesh cheese, and "matared" cream were collected from local markets and examined. forty yeast isolates were cultured from these samples and identified using the restriction-fragment length polymorphism (rflps) of 5.8s-its rdna region and sequencing of the domains d1 ... | 2009 | 19895478 |
| application of denaturing high-performance liquid chromatography (dhplc) for yeasts identification in red smear cheese surfaces. | to evaluate and optimize the use of denaturing high-performance liquid chromatography (dhplc) for yeasts identification in red smear cheese surfaces. | 2010 | 20477955 |
| metabolism of alkenes and ketones by candida maltosa and related yeasts. | knowledge is scarce about the degradation of ketones in yeasts. for bacteria a subterminal degradation of alkanes to ketones and their further metabolization has been described which always involved baeyer-villiger monooxygenases (bvmos). in addition, the question has to be clarified whether alkenes are converted to ketones, in particular for the oil degrading yeast candida maltosa little is known. in this study we show the degradation of the aliphatic ketone dodecane-2-one by candida maltosa an ... | 2014 | 25309846 |
| analysis of the fungal flora in environmental dust samples by pcr-sscp method. | conventional microbiological techniques yield only limited information on the composition of fungal communities in dust. the aim of this study was to establish and optimize pcr-single strand conformation polymorphism (pcr-sscp) analysis for investigation of fungal diversity in rural dust samples. three different dna extraction protocols were tested on 38 fungal cultures. a total of six known universal fungal primer pairs were tested targeting the 18s rrna gene, the 28s rrna gene and the its regi ... | 2013 | 23475138 |
| yeasts from scarlet ibises (eudocimus ruber): a focus on monitoring the antifungal susceptibility of candida famata and closely related species. | | 2017 | 28204651 |
| characterisation of yeasts isolated from 'nduja of spilinga. | the 'nduja of spilinga protected geographical indication (pgi) is a spreadable italian salami, obtained by using fat (50%), lean of pork (25%), chili pepper (25%) and nacl, stuffed into natural pork casing. its predominant flora is represented by yeasts, reaching at the end of seasoning values of 6 log cfu/g. considering the need to enhance and protect traditional local products, it seemed interesting to carry out a characterisation of yeasts of the 'nduja of spilinga pgi. a total of 127 strains ... | 2014 | 27800341 |
| aromatic amino acids as precursors of antimicrobial metabolites in geotrichum candidum. | geotrichum candidum atcc 204307 was previously found to generate phenyllactic acid (pla) and indoleacetic acid (ila) in complex culture media. in this study, a relationship between concentrations of pla, ila, and hydroxy pla (oh-pla) and initial concentrations of phenylalanine, tryptophan, and tyrosine, added respectively as unique sources of nitrogen in synthetic medium, was established. phenylpyruvic acid (ppa), an intermediate compound of pla metabolism, was able to induce not only pla but al ... | 2013 | 23590565 |
| identification and partial characterization of antilisterial compounds produced by dairy yeasts. | food-grade yeasts make significant contributions to flavor development in fermented foods. some yeast species also inhibit undesirable bacteria, yeasts and molds, apparently by producing antimicrobial compounds called mycocins. the aim of this study was to evaluate the ability of wild yeasts, isolated from raw milk and cheese in the quebec province area, to produce antilisterial compounds. based on an agar-membrane screening test, 22 of 95 isolates, namely one candida catenulata, one candida par ... | 2013 | 26782600 |
| biodiversity of the surface microbial consortia from limburger, reblochon, livarot, tilsit, and gubbeen cheeses. | comprehensive collaborative studies from our laboratories reveal the extensive biodiversity of the microflora of the surfaces of smear-ripened cheeses. two thousand five hundred ninety-seven strains of bacteria and 2,446 strains of yeasts from the surface of the smear-ripened cheeses limburger, reblochon, livarot, tilsit, and gubbeen, isolated at three or four times during ripening, were identified; 55 species of bacteria and 30 species of yeast were found. the microfloras of the five cheeses sh ... | 2014 | 26082119 |
| diversity and activities of yeasts from different parts of a stilton cheese. | blue cheeses are very complex food matrices presenting significant spatial differentiation between sections and the stilton variety also has a hard brown crust making its matrix even more complex. the mycobiota communities in the three sections (blue veins, white core and outer crust) of a stilton blue cheese were studied by employing culture-independent (trflp, dgge) and culture-dependent analyses. yeasts isolated from the cheese were studied for aroma production in a dairy model system with an ... | 2014 | 24631634 |
| description of diutina gen. nov., diutina siamensis, f.a. sp. nov., and reassignment of candida catenulata, candida mesorugosa, candida neorugosa, candida pseudorugosa, candida ranongensis, candida rugosa and candida scorzettiae to the genus diutina. | three strains (dmku-re28, dmku-re43t and dmku-re123) of a novel anamorphic yeast species were isolated from rice leaf tissue collected in thailand. dna sequence analysis demonstrated that the species forms a sister pair with candida ranongensis cbs 10861t but differs by 24-30 substitutions in the lsu rrna gene d1/d2 domains and 30-35 substitutions in the its region. a phylogenetic analysis based on both the small and the large rrna gene subunits confirmed this connection and demonstrated the pre ... | 2015 | 26410375 |
| susceptibility of species within the sporothrix schenckii complex to a panel of killer yeasts. | the sporothrix schenckii complex is the etiologic agent of sporotrichosis, a subacute or chronic mycosis which can affect humans and animals. killer yeasts have been used in the medical field for development of novel antimycotics and biotyping of pathogenic fungi. the action of 18 killer yeasts on the growth of 88 characterized s. schenckii, sporothrix globosa, sporothrix brasiliensis, and sporothrix mexicana clinical and environmental isolates was evaluated. killer studies were performed on pet ... | 2014 | 23686831 |