Cytochemical studies on GERL, provacuoles, and vacuoles in root meristematic cells of Euphorbia
Open Access
- 1 February 1978
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 75 (2), 852-856
- https://doi.org/10.1073/pnas.75.2.852
Abstract
The genesis of E. characias plant vacuoles was studied by high-voltage and conventional EM. Vacuole genesis is a lysosomal multistep process: GERL (Golgi-associated endoplasmic reticulum from which lysosomes apparently form) produces provacuoles into which lysosomal enzymes and other materials appear to be concentrated and packaged; GERL-derived provacuoles cooperate to drive a programmed cellular autophagy leading to young vacuoles and the young vacuoles swell and fuse together into a few large mature vacuoles which continue to collect the GERL-derived provacuoles throughout the life of the cell and in internal membrane flow.Keywords
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