The membrane along the collecting canal of ruptured cells shows that
the excess smooth spongiome membrane forms a three-dimensional array
similar to etiolated chloroplasts when a piece of wood stays on a
grass lawn too long preventing photosynthesis from occurring due to
the lack of sunlight. Sometimes this configuration of membranes is
referred to as cubic membranes (Landh, FEBS Lett. 369:15-17, 1995).
arrow, connections between decorated and smooth tubules;
ds, decorated spongiome. EM taken on 8/8/96 by R. Allen with
Zeiss 10A TEM. Neg. 12,000X. Bar = 0.5µm. Part published in J. Cell
Sci. 112:3733-3745, 1999.
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