STROMULES-LIKE PROTRUSIONS OF THE MEMBRANE ENVIRONMENT OF PLASTIDS
IN THE ROOT CELLS
G. A. Velikanov,1 A. A. Ponomareva, L. P. Belova, T. M. Il'ina
Kazan Institute of Biochemistry and Biophysics, Kazan Scientific Center RAS;
1 e-mail: velikanov@mail.knc.ru
The results of visualization of the stromules-like protrusions of the membrane environment of plastids in the root cells with the help of an electronic microscope are submitted.
The cases of occurrence of long narrow protrusion of the external membrane with more short protrusion of the internal membrane of plastid environment inside it are discussed.
The possible role of cytoskeleton and plastoskeleton in formation, accordingly, of "external" and "internal" protrusions is considered. The conclusion that the structure and
functions of stromules in plant cells should be considered in unity with the structure and functions of the endoplasmic reticulum internal space is made.
Key words: Triticum aestivum L., root cells, plastids, stromules, endoplasmic reticulum, electron microscopy
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