Abstract
Electron microscopy demonstrated gross changes to organelles during dehydration, particularly
in chloroplasts which lose thylakoids. Plastoglobuli increase in size as internal chloroplast membranes
develop into vesicles. An increase in polysomes and in rough endoplasmic reticulum after moderate
stress suggested the possibility of increased protein synthesis at this time. The loss of chlorophyll
while grana were still evident suggested an ordered destructuring of the chlorophyll. In dry tissue
the nucleus remained intact, mitochondria contained few indistinct cristae and chloroplasts appeared
as organelles containing vesicles and plastoglobuli.
Both aqueous and anhydrous fixation techniques were used to follow h e structural changes on
drying.
Subject
Plant Science,Ecology, Evolution, Behavior and Systematics
Cited by
11 articles.
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