MATURING PINE TRACHEIDS Organization of Intravacuolar Cytoplasm

Wodzicki , Tomasz J.; Humphreys , Walter J.

doi:10.1083/jcb.56.1.263

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Report| January 01 1973

MATURING PINE TRACHEIDS : Organization of Intravacuolar Cytoplasm

Tomasz J. Wodzicki,

Tomasz J. Wodzicki

From the Tree Physiology Laboratory, School of Forest Resources and the Department of Zoology, University of Georgia, Athens, Georgia 30601, and the Faculty of Forestry, Agricultural University, Warsaw, Poland

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Walter J. Humphreys

From the Tree Physiology Laboratory, School of Forest Resources and the Department of Zoology, University of Georgia, Athens, Georgia 30601, and the Faculty of Forestry, Agricultural University, Warsaw, Poland

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Author and Article Information

Tomasz J. Wodzicki

From the Tree Physiology Laboratory, School of Forest Resources and the Department of Zoology, University of Georgia, Athens, Georgia 30601, and the Faculty of Forestry, Agricultural University, Warsaw, Poland

Walter J. Humphreys

From the Tree Physiology Laboratory, School of Forest Resources and the Department of Zoology, University of Georgia, Athens, Georgia 30601, and the Faculty of Forestry, Agricultural University, Warsaw, Poland

Received: July 14 1972

Revision Received: September 08 1972

Online ISSN: 1540-8140

Print ISSN: 0021-9525

1973

J Cell Biol (1973) 56 (1): 263–265.

https://doi.org/10.1083/jcb.56.1.263

The cytoplasm of the interior of maturing pine tracheids is revealed by scanning electron microscopy as a lamellate and filamentous intravacuolar reticulum immersed in vacuolar sap. Formation of cytoplasmic spherules and the breakdown of the cytoplasmic reticulum initiate protoplast disintegration that terminates in tracheid maturation. The process is believed to involve vacuolar membrane transformations.

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