The Presence of Callose in Cork Cells

Authors

  • John D. Litvay
  • Robert L. Krahmer

Keywords:

<i>Pseudotsuga menziesii</i>, <i>Abies</i> spp., <i>Tsuga heterophylla</i>, <i>Acer macrophyllum</i>, <i>Quercus suber</i>, cork, callose, phellem, ultraviolet microscopy, transmission electron microscopy

Abstract

Observations of fluorescence with ultraviolet microscopy and staining with transmission electron microscopy indicate that a substance reacting like callose is present as a plugging material in pitlike areas in the walls of mature cork (phellem) cells.

References

Currier, H. B. 1957. Callose substance in plant cells. Am. J. Bot.44:478-488.nCurrier, H. B., and S. Strugger. 1956. Aniline blue and fluorescence microscopy of callose in bulb scales of Allium cepa L. Protoplasm45:552-559.nEschrich, W. 1956. Kallose (Ein kritischer Sammelbericht). Protoplasm47:387-530.nEschrich, W., and H. B. Currier. 1964. Identification of callose by its diachrome and fluorescence reactions. Stain Tech.39:303-307.nFahn, A. 1974. Plant anatomy. Oxford, Pergamon Press Ltd.nFu, Y. I., P. J. Gutmann, and T. E. Timell. 1972. Polysaccharides in the secondary phloem of Scots pine (Pinus sylvestris L.) I. Isolation and characterization of callose. Cellulose Chem. Technol.6:507-512.nLitvay, J. D. and R. L. Krahmer. 1977. Wall layering in Douglas-fir cork cells. Wood Science9(4): 167-173.nSeligman, A. M., J. S. Hanker, H. Wasserkrug, H. Dmochowski, and L. Katzoff. 1965. Histochemical demonstration of some oxidized macromolecules with thiocarbohydrazide (TCH) or thiosemicarbazide (TSC) and osmium tetroxide. J. Histochem. Cytol. Chem.13:629-637.nSitte, P. 1955. Der feinbau verkorkter zell-wande. Mikroskopie10:178-200.nSpurr, A. T. 1969. A low viscosity epoxy resin embedding medium for electron microscopy. J. Ultrastruct. Res.20:31-43.n

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Published

2007-06-05

Issue

Number 3 / Fall 1976

Section

Research Contributions

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