| methylation and acetolysis of extracellular d-mannans from yeast. | methylation-fragmentation analyses were conducted on a series of extra-cellular, yeast alpha-d-linked mannans representing six different structural types. d-mannans of low degree of branching were produced by hansenula capsulata strains and by species related to h. holstii, the former consisted primarily of (1 leads to 2)- and (1 leads to 6)-linked d-mannosyl residues; the latter, of (1 leads to 2)- and (1 leads to 3)-linked d-mannosyl residues. although the remaining structural types were highl ... | 1976 | 947538 |
| ascorbic acid specific utilization by some yeasts. | one hundred and eighty strains of yeasts belonging to 17 genus and 53 species were screened for their ability to grow on ascorbic acid and iso-ascorbic acid as the sole carbon source. most of the tested strains (157) were unable to grow on either compound. strains of seven species of the genus cryptococcus, of two candida species, of filobasidiella neoformans, trichosporon cutaneum, lipomyces starkeyi, hansenula capsulata, and one strain of aureobasidium pullulans were able to grow on ascorbic a ... | 1986 | 3779527 |
| microbiological activity of biotin-vitamers. | the growth requirement or growth-promoting effect of biotin-vitamers on bacteria and yeasts was investigated. biotin, dethiobiotin and biocytin (n-e-biotinyl-l-lysine) were shown to be required for growth in a number of bacteria and yeasts. the biological activity of dethiobiotin was relatively higher than that of biotin, but was negative for lactic acid bacteria. biocytin had high activity for bacillus subtilis (natto), debaryomyces japonicus and hansenula capsulata. the biotin activity of 7-ke ... | 1985 | 3938810 |
| the enzymatic synthesis of the phosphomannan of hansenula capsulata. | | 1971 | 5141827 |
| the stepwise synthesis of oligo(glycosyl phosphates) via glycosyl hydrogenphosphonates. the chemical synthesis of oligomeric fragments from hansenula capsulata y-1842 exophosphomannan and from escherichia coli k51 capsular antigen. | a stepwise approach has been used in the syntheses of pentamannosyl tetraphosphate ho-[-6man(alpha)-po4-]4-6man(alpha)-ome and tetra(n-acetylglucosaminyl) triphosphate ho-[-3glcnac(alpha)-po4]3- 3glcnac(beta)-oc6h4no2, which are fragments of the yeast and bacteria extracellular phosphoglycans. elongation of the chain was performed with the use of suitably protected glycosyl hydrogenphosphonate derivatives for successive introduction of glycosyl phosphate residues. partially protected monosacchar ... | 1993 | 8495449 |
| purification and characterization of a novel alpha-l-arabinofuranosidase from pichia capsulata x91. | an intracellular alpha-l-arabinofuranosidase from pichia capsulata x91 was purified and characterized. the enzyme was purified to homogeneity from a cell-free extract by ammonium sulfate treatment, concanavalin a-sepharose, ion-exchange chromatography with deae bio-gel a agarose, arabinose-sepharose 6b affinity chromatography, and hydroxyapatite column chromatography. the apparent molecular mass of the enzyme was estimated to be 250 kda by native-page. the enzyme molecule was suggested to be a t ... | 2000 | 10923788 |
| three new species of candida from apple cider: c. anglica, c. cidri and c. pomicola. | three new anamorphic ascomycetous yeasts are described: candida anglica (type strain nrrl y-27079, cbs 4262), candida cidri (type strain nrrl y-27078, cbs 4241), and candida pomicola (type strain nrrl y-27083, cbs 4242). these three species were isolated from cider produced in the united kingdom, and their identification was determined from unique nucleotide sequences in the species-specific d1/d2 domain of large subunit (26s) ribosomal dna. phylogenetic analysis of d1/d2 sequences placed c. ang ... | 2001 | 11827209 |
| a phylogenetic study of ubiquinone q-8 species of the genera candida, pichia, and citeromyces based on 18s ribosomal dna sequence divergence. | to clarify phylogenetic relationships among species of the anamorphic ascomycetous genus candida with ubiquinone q-8, we determined complete sequences of 18s ribosomal rna genes (18s rdnas) from the type strains of 20 species of the genus candida and 7 of the teleomorphic ascomycetous genera pichia and citeromyces, which have q-8 as the major ubiquinone. q-8-forming candida species were divided into six clusters and were phylogenetically distant from a group of candida species that included the ... | 1999 | 12501366 |
| structure of hansenula capsulata nrrl y-1842 phosphomannan. | | 1963 | 13989259 |
| kuraishia molischiana sp. nov., the teleomorph of candida molischiana. | thirty-two strains, many of them isolated from wood-associated habitats, and designated as kuraishia (pichia) capsulata and candida molischiana according to their phenotype, exhibited two types of haeiii restriction fragment patterns of their small subunit rdna with the neighboring its. one fragment pattern corresponded to that of the type strain of k. capsulata, whereas the other pattern was unique to the typestrain of c. molischiana. sequencing of the d1/d2 domain of the large subunit rdna con ... | 2005 | 16284930 |
| reduction of saliva-promoted adhesion of streptococcus mutans mt8148 and dental biofilm development by tragacanth gum and yeast-derived phosphomannan. | the aim of this study was to investigate materials which reduce saliva-promoted adhesion of streptococcus mutans onto enamel surfaces, and their potential in preventing dental biofilm development. the effects of hydroxyapatite (ha) surface pretreatment with hydrophilic polysaccharides on saliva-promoted s. mutans adhesion in vitro and de novo dental biofilm deposition in vivo were examined. saliva-promoted adhesion of s. mutans mt8148 was significantly reduced by pretreatment of the ha surface w ... | 2006 | 17290870 |
| c- and n-catabolic utilization of tricarboxylic acid cycle-related amino acids by scheffersomyces stipitis and other yeasts. | scheffersomyces stipitis and the closely related yeast candida shehatae assimilated the l-amino acids glutamate, aspartate and proline as both carbon and nitrogen sole sources. we also found this rarely investigated ability in ascomycetous species such as candida glabrata, c. reukaufii, c. utilis, debaryomyces hansenii, kluyveromyces lactis, k. marxianus, candida albicans, l. elongisporus, meyerozyma guilliermondii, c. maltosa, pichia capsulata and yarrowia lipolytica and in basidiomycetous spec ... | 2011 | 21360752 |
| a review on biosynthesis of nanoparticles by marine organisms. | marine organisms produce remarkable nanofabricated structures in cell wall, shells, pearls and fish bones. marine microorganisms such as bacteria (e. coli, pseudomonas sp.), cyanobacteria (spirulina platensis, oscillatoria willei, phormidium tenue), yeasts (pichia capsulata, rhodospiridium diobovatum), fungi (thraustochytrium sp., penicillium fellutanum, aspergillus niger), and algae (navicula atomus, diadesmis gallica, stauroneis sp. sargassum wightii, fucus vesiculosus) are reported to synthes ... | 2013 | 23202242 |
| manganese tolerance in yeasts involves polyphosphate, magnesium, and vacuolar alterations. | basidiomycetous and ascomycetous yeast species were tested for manganese tolerance. basidiomycetous cryptococcus humicola, cryptococcus terricola, cryptococcus curvatus and ascomycetous candida maltosa, kluyveromyces marxianus, kuraishia capsulata, lindnera fabianii and sacharomyces cerevisiae were able to grow at manganese excess (2.5 mmol/l), while the growth of basidiomycetous rhodotorula bogoriensis was completely suppressed. the lag phase duration increased and the exponential growth rate d ... | 2016 | 26646947 |
| accumulation of phosphate and polyphosphate by cryptococcus humicola and saccharomyces cerevisiae in the absence of nitrogen. | the search for new phosphate-accumulating microorganisms is of interest in connection with the problem of excess phosphate in environment. the ability of some yeast species belonging to ascomycetes and basidiomycetes for phosphate (p (i) ) accumulation in nitrogen-deficient medium was studied. the ascomycetous saccharomyces cerevisiae and kuraishia capsulata and basidiomycetous cryptococcus humicola, cryptococcus curvatus, and pseudozyma fusiformata were the best in p (i) removal. the cells of c ... | 2012 | 22591314 |
| filling annotation gaps in yeast genomes using genome-wide contact maps. | de novo sequencing of genomes is followed by annotation analyses aiming at identifying functional genomic features such as genes, non-coding rnas or regulatory sequences, taking advantage of diverse datasets. these steps sometimes fail at detecting non-coding functional sequences: for example, origins of replication, centromeres and rdna positions have proven difficult to annotate with high confidence. here, we demonstrate an unconventional application of chromosome conformation capture (3c) tec ... | 2014 | 24711652 |
| the use of mitochondrial mutants in hybridization of industrial yeasts : iii. restoration of mitochondrial funktion in petites of industrial yeast strains by fusion with respiratory-competent protoplasts of other yeast species. | protoplasts of petites of strains 625-c(i) of saccharomyces diastaticus and ncyc 1085 of saccharomyces cerevisiae, originally obtained from the national collection of yeast cultures, england, were fused with protoplasts of candida pseudotropicalis, saccharomyces rosei, yaccharbmycesmontanus, pichiamembranefaciens, hansenula anomala, hansenula capsulata, and schizosac-charomyces pombe. the respiratory-competent products of the fusions were selected on the basis of using at least one of the carbon ... | 1981 | 24185989 |
| the ecology of yeasts in the bark beetle holobiont: a century of research revisited. | yeasts are extremely common associates of scolytine bark beetles, yet the basic ecology of yeasts in the bark beetle holobiont remains poorly understood. yeasts are present in all beetle life stages and consistently isolated from adult, larval, and pupal integuments and mycangial structures, but yeasts are also found in oviposition galleries, pupal chambers, larval and adult digestive tracts, as well as phloem and xylem tissues. yeasts in the saccharomycetaceae family are the most prevalent asso ... | 2015 | 25117532 |
| complete dna sequence of kuraishia capsulata illustrates novel genomic features among budding yeasts (saccharomycotina). | the numerous yeast genome sequences presently available provide a rich source of information for functional as well as evolutionary genomics but unequally cover the large phylogenetic diversity of extant yeasts. we present here the complete sequence of the nuclear genome of the haploid-type strain of kuraishia capsulata (cbs1993(t)), a nitrate-assimilating saccharomycetales of uncertain taxonomy, isolated from tunnels of insect larvae underneath coniferous barks and characterized by its copious ... | 2013 | 24317973 |
| extracellular phosphomannan as a phosphate reserve in the yeast kuraishia capsulata. | we have found that extracellular phosphomannan is the main phosphate reserve in the yeast kuraishia capsulata, in contrast to other yeast species effectively absorbing pi. under nitrogen starvation, k. capsulata absorbed essentially all pi from the medium containing 240 mm glucose, 2.5 mm mgso4, and 11 mm kh2po4. inorganic polyphosphate level in the cells was about 14% of the pi absorbed. most of the pi (~60%) was found in the fraction of extracellular phosphomannan that can be used as a carbon ... | 2013 | 23980894 |
| conversion of verbenols to verbenone by yeasts isolated fromdendroctonus ponderosae (coleoptera: scolytidae). | a variety of symbionts associated with bark beetles are capable of producing compounds that are used as pheromones by their hosts. we report that two yeasts associated withdendroctonus ponderosae hopkins,hansenula capsulata wickerham, andpichiapinus (hoist) phaff, are capable of convertingcis- andtrans-verbenol efficiently into verbenone.trans-verbenol, which is produced by femaled. ponderosae, acts as an aggregation pheromone for this scolytid, while verbenone, which other studies have indicate ... | 1990 | 24263735 |
| oxygenated monoterpenes produced by yeasts, isolated fromips typographus (coleoptera: scolytidae) and grown in phloem medium. | when yeasts associated withips typographus beetles were grown in an aqueous phloem medium for two days, the main oxygenated monoterpenes produced were α-terpineol and borneol. terpinene-4-ol, myrtenol, andtrans-pinocarveol were also found but in lesser amounts. of the six strains used in this study,hansenula capsulata andcandida nitratophila produced the largest amounts of oxygenated monoterpenes. addition of α-pinene to the phloem medium generally reduced the amounts of oxygenated monoterpenes, ... | 1988 | 24277014 |
| interconversion of verbenols and verbenone by identified yeasts isolated from the spruce bark beetleips typographus. | six yeast strains have been isolated and identified from the spruce bark beetle,ips typographus. we have studied the ability of the yeasts to interconvertcis-verbenol,trans-verbenol, and verbenone. (1s)-cis-verbenol is an active component in the aggregation pheromone ofips typographus. the isolatedcandida molischiana/ hansenula capsulata strain can convert both (1r)- and (1s)-cis-verbenol to verbenone. thecandida nitratophila strain converts (1r)-cis-verbenol totrans-verbenol and (1s)-cis-verben ... | 1984 | 24317586 |
| use of mitochondrial mutants in the isolation of hybrids involving industrial yeast strains : iv. characterization of an intergeneric hybrid, saccharomyces diastaticus x hansenula capsulata, obtained by protoplast fusion. | a hybrid of saccharomyces diastaticus x hansenula capsulate was obtained by conversion of the s. diastaticus parent to a petite, protoplasting and fusion of the strains and isolation of the hybrids on selective media, containing glycerol or galactose. all of the single-cell clones obtained resembled s. diastaticus in morphology, and fermented glucose, galactose, maltose, sucrose and starch. the hybrid sporulated, producing spores resembling those of s. diastaticus, but in asci which differed som ... | 1983 | 24173159 |