J. P. Walt

Publications158
h-index20
Citations1,686
Highly Influential Citations39
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Chapter II – Methods for the isolation, maintenance, classification and identification of yeasts
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Arxula gen. nov. (Candidaceae), a new anamorphic, arthroconidial yeast genus
The new genus Arxula is proposed for the classification of xerotolerant, ascomycetous, anamorphic, arthroconidial yeasts. The genus is considered to be of endomycetaceous affinity.
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A colour reaction for the differentiation of ascomycetous and hemibasidiomycetous yeasts
Seventy yeast strains, representative of twenty-six ascogenous genera, four saprobic hemibasidiomycetous genera and thirteen genera of the Cryptococcales were tested for their reaction with the… Expand
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Dekkera, a new genus of the Saccharomycetaceae
The new genusDekkera is proposed for the classification of ascosporogenous yeast strains which have hitherto been classified as species of the genusBrettanomyces.Two species are assigned to the new… Expand
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The utilisation of thiocyanate and nitrate by thiobacilli
SummaryThiobacillus denitrificans, T. thioparus andT. thiocyanoxidans can oxidise thiocyanate to sulphur and sulphate aerobically and also anaerobically in the presence of nitrate. T. thioparus… Expand
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Erosion of dust-filtered helicopter turbine engines Part II: Erosion reduction
The effects of erosion of filtered and unfiltered dusts ingested by a helicopter gas turbine engine are investigated for the case where particle-on-particle interactions are negligible. The effects… Expand
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Kaffircorn malting and brewing studies. II.—Studies on the microbiology of Kaffir beer
The three main microbiological conversions in the production of kaffir beer have been studied, viz.: the souring of the mash by lactic acid bacteria, the alcoholic fermentation of the wort by a… Expand
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The yeast genus Yarrowia gen. nov.
The ascigerous teleomorph of Candida lipolytica (Harrison) Diddens et Lodder, previously classified as Endomycopsis lipolytica Wickerham et al. and as Saccharomycopsis lipolytica (Wickerham et al.)… Expand
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The genus Arxiozyma gen. nov. (Saccharomycetaceae)
The concurrence of the diploid condition of the vegetative phase, the verrucose ascospores with protuberances projecting from the electron-opaque outer layer of the ascosporal wall and the Coenzyme… Expand
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Ploidy, ascus formation and recombination in Torulaspora (Debaryomyces) hansenii
X-ray inactivation studies on the type strain of Torulaspora hansenii carried out to determine ploidy, provided proof that the species has a haplontic life cycle, a fact which hitherto has only been… Expand
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