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Histochemistry

, Volume 78, Issue 4, pp 473–480 | Cite as

The tonoplast, a specific marker of embryogenic microspores of Datura cultured in vitro

  • R. S. Sangwan
  • H. Camefort
Article

Summary

Microspores of Datura metel L. have a thin tonoplast which, upon culture in vitro, develops a more or less uniform coating or deposit (as early as 12 h). This response was specific for embryogenic microspores, thereby making it possible to distinguish them from the nonembryogenic microspores. Cytochemical tests indicated the presence of tannins in this deposit which persists only until the early globular stage of embryogenesis. Thus tannin-coated tonoplasts can be used as a reliable and specific cytological marker for microspores following the embryogenic pathway in vitro.

Keywords

Public Health Tannin Specific Marker Uniform Coating Globular Stage 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1983

Authors and Affiliations

  • R. S. Sangwan
    • 1
  • H. Camefort
    • 1
  1. 1.Cytologie et Biologie de la Reproduction, BotaniqueUniversité Paris VIIParis Cedex 05France

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