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Article
The yeast flora of some decaying mushrooms on trunks of living trees
Several ascomycetous and basidiomycetous yeasts were isolated from rotten mushrooms on the trunks of beech and tamarisk trees. One strain, identified as the novel speciesCryptococcus allantoinivorans, assimilated...
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Article
The yeast flora of the coast redwood,Sequoia sempervirens
Only four yeast species could be isolated from young and perannual shoots of the coast redwood tree,Sequoia sempervirens, and from soil beneath the trees,viz. both varieties ofDebaryomyces hansenii, Trichosporon ...
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Article
Yeasts and fungi in excrements of the sand hill snail,Theba pisana
Eight microbial species were isolated and identified from excrements of the sand hill snail,Theba pisana, viz. 3 filamentous fungi, 3 basidiomycetous yeasts and 2 yeast-like ascomycetous fungi.
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Article
Occurrence of killer yeasts in leaf-cutting ant nests
Killer activity was screened in 99 yeast strains isolated from the nests of the leaf-cutting antAtta sexdens against 6 standard sensitive strains, as well as against each other. Among this yeast community killer ...
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Article
Phylogenetic position and physiology of Cerinosterus cyanescens
Partial 25S rRNA sequencing of Cerinosterus cyanescens showed it to be a close relative of Microstroma juglandis, a member of the basidiomycetous order Microstromatales. It is unrelated to the generic type specie...
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Article
Hormonema schizolunatum, a new species of dothideaceous black yeasts from phyllosphere
Two black yeast isolates from plants from the Canary Islands (Spain) are described and illustrated. Absence of Woronin bodies at simple septal pores, local coralloid terminal hyphal cells, indeterminate thallu...
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Article
Carbon assimilation and extracellular antigens of some yeast-like fungi
Many yeast-like fungi assimilated n-hexadecane, butylamine and putrescine as sole carbon sources. Methanol was not assimilated. This points to a physiological similarity to endomycetous, hydrocarbon-utilizing yea...
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Article
Oxidation of amines by yeasts grown on 1-aminoalkanes or putrescine as the sole source of carbon, nitrogen and energy
The maximum growth rate of Trichosporon cutaneum CBS 8111 in chemostat cultures was 0.185 h-1 on ethylamine and 0.21 h-1 on butylamine, that of Candida famata CBS 8109 was 0.32 h-1 on putrescine.
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Article
Biogenesis and metabolic significance of microbodies in urate-utilizing yeasts
Growth of Candida famata and Trichosporon cutaneum on uric acid as the sole source of carbon and nitrogen was associated with the development of a number of microbodies in the cells. Cytochemical staining experim...
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Article
Trichosporon adeninovorans sp. nov., a yeast species utilizing adenine, xanthine, uric acid, putrescine and primary n-alkylamines as the sole source of carbon, nitrogen and energy
A new yeast species, Trichosporon adeninovorans, was isolated from soil by the enrichment culture method. Apart from adenine, the strain utilized uric acid, guanine, xanthine, hypoxanthine, 6,8-dihydroxypurine, p...
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Article
Degradation of caffeine byPseudomonas putida C3024; the effect of oxygen concentration
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Article
Growth of Candida famata and Trichosporon cutaneum on uric acid as the sole source of carbon and energy, a hitherto unknown property of yeasts
Yeast strains capable of utilizing uric acid as the sole source of carbon and energy were isolated from soil by the enrichment culture method. The strains were identified as Candida famata (Harrison) Meyer et Yar...
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Article
Nitrogen metabolite repression of arginase, ornithine transaminase and allantoinase in a conditional ethionine-resistant mutant of Saccharomyces cerevisiae with low activity of catabolic NAD-specific glutamate dehydrogenase
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Article
Induction and derepression of arginase and ornithine transaminase in different strains ofSaccharomyces cerevisiae
The syntheses of arginase and ornithine transaminase were studied in two strains ofSaccharomyces cerevisiae, viz. strain B and strain α-Σ1278b. Derepression of both enzymes during nitrogen starvation was shown on...
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Article
Xanthine oxidase activity of arthrobacter x-4 cells immobilized in glutaraldehyde-crosslinked gelatin
Cells of Arthrobacter X-4 were immobilized by entrapment in gelatin crosslinked with glutaraldehyde. The xanthine oxidase activity and stability were determined at various temperatures. In comparison with bovi...
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Article
A mutant of Saccharomyces cerevisiae lacking catabolic NAD-specific glutamate dehydrogenase Growth characteristics of the mutant and regulation of enzyme synthesis in the wild-type strain
NAD-specific glutamate dehydrogenase (GDH-B)1 was induced in a wild-type strain derived of α-Σ 1278b by α-amino acids, the nitrogen of which according to known degradative pathways is transferred to 2-oxoglutarat...
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Article
Starch degradation by the mould Trichoderma viride I. The mechanism of starch degradation
The mechanism of starch degradation by the fungus Trichoderma viride was studied in strain CBS 354.44, which utilizes glucose, starch and dextrins but is unable to assimilate maltose. It was shown that the amylol...
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Article
Excessive production of ammonium from nitrate by some methanol-assimilating yeast strains
Some strains ofCandida boidinii excrete ammonium when grown in nitrate methanol medium under conditions of oxygen limitation but not in wellaerated cultures or under anaerobic conditions. With other carbon source...
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Article
Starch degradation by the mould Trichoderma viride II. Regulation of enzyme synthesis
The synthesis of amylolytic enzymes by the maltose not-utilizing Trichoderma viride strain CBS 354.44 requires the presence of starch or dextrins. Several readily utilizable carbon sources such as glucose and glu...
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Article
The substrate constant for the ammonium ion of growing
The relation between ammonium concentration and growth rate was studied in steady state continuous cultures of Saccharomyces cerevisiae in nitrogenlimited glucose ammonium medium. This relation could be described...
