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The vacuole in yeast

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Proceedings / Indian Academy of Sciences

Summary

1. The vacuole was studied under ordinary, phase contrast and dark ground illumination in yeast of varying ages. With the increasing age of the culture almost all cells appear vacuolated and more and more cells exhibit luminous contours to their vacuoles.

2. On transfer to fresh media the vacuoles and grains disappear from view and the cytoplasm looks homogeneous. During such a phase in its growth-cycle, yeast appears comparable to meristematic cells.

3. During the process of aging, the cells exhibit granules and vacuoles and the vacuole comes to possess a membrane delimiting it from the cytoplasm and sometimes a dancing body inside. Can these changes be considered as an example of differentiation-in-time in yeast?

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Authors and Affiliations

  1. Cytogenetics Laboratory, Department of Biochemistry, Indian Institute of Science, Bangalore-3

    N. V. Aswatha Narayana

Authors
  1. N. V. Aswatha Narayana
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Additional information

Communicated by Dr. M. K. Subramaniam,f.a.sc.

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Aswatha Narayana, N.V. The vacuole in yeast. Proc. Indian Acad. Sci. 43, 314–324 (1956). https://doi.org/10.1007/BF03050243

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  • DOI: https://doi.org/10.1007/BF03050243

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