Summary
Developing cells ofMicrasterias denticulata Bréb. show a characteristic fluorescence of the plasma membrane (or cortical protoplasm) after treatment with chlorotetracycline (CTC), which is known to be an indicator for membrane-bound Ca2+. Depending on the stage of development the fluorescing sites of the young half cell are distributed in a specific pattern which corresponds to cell pattern formation. Therefore growth and thus cytomorphogenesis inMicrasterias seem to be mediated by a patterned accumulation of Ca2+ at the periphery of the differentiating cell. Participation of Ca2+ in a membrane-recognition process responsible for local vesicle incorporation is discussed.
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Meindl, U. Local accumulation of membrane-associated calcium according to cell pattern formation inMicrasterias denticulata, visualized by chlorotetracycline fluorescence. Protoplasma 110, 143–146 (1982). https://doi.org/10.1007/BF01281541
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DOI: https://doi.org/10.1007/BF01281541