Peculiar cytological behavior of a distillery yeast

Subramaniam, M. K. ; Ranganathan, B. (1946) Peculiar cytological behavior of a distillery yeast Nature, 157 . pp. 50-51. ISSN 0028-0836

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The question whether so-called 'pure' strains of yeast are cytologically pure ought to receive the earnest attention of those engaged in the study of the genetics of yeasts. The classification of yeasts is purely arbitrary, and the only reliable method of obtaining any particular species is to get a sample of the original culture. But even if the original culture is available one is not sure that it is cytologically pure, for proportion changes might have occurred in it since isolation. In rapidly growing organisms like the yeasts this is but natural. Investigations on higher plants indicate that polyploids usually mutate to dwarfness as a survival-measure and hence the random size relationships between the diploids and the polyploids offer no morphological criterion for differentiation into types.

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Deposited On:18 Apr 2011 13:39
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