Abstract
THE morphology of the Golgi apparatus, as well as the kind and quantity of Golgi-derived vesicles, has been observed to change considerably during carposporogenesis (production of diplold reproductive spores1) in red algae2,3. In Poly-siphonia the Golgi is initially active in the production of vesicles destined for wall formation (unpublished), the same function as reported in other red algae2,3. At this stage in early development, crystalline structures termed “striated vesicles” have been observed to form within rough endoplasmic reticulum (ER)2,4. As carpospore development proceeds the striated vesicles diminish in size and eventually disappear (unpublished). Coinciding with this disappearance is a unique change in the form and function of the Golgi apparatus. The striated vesicles are replaced in the cytoplasm by Golgi-derived vesicles with a crystalline content, their structure and periodicity being different from the striated vesicles. The Golgi apparatus gradually differentiates into its new role, and is not replaced by a new system. Golgi with a similar morphology and function have not been observed before for any cell.
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WETHERBEE, R., WEST, J. Unique Golgi apparatus and vesicle formation in a red alga. Nature 259, 566–567 (1976). https://doi.org/10.1038/259566a0
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DOI: https://doi.org/10.1038/259566a0
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