Germinal granules in archaeocytes of the sponge Oscarella malakhovi Ereskovsky, 2006

Germinal granules in archaeocytes of the sponge Oscarella malakhovi Ereskovsky, 2006 The morphology of archaeocytes, sponge stem cells, was studied in Oscarella malakhovi during asexual reproduction (budding) using light and electron microscopy. Electron-dense germinal granules, which are ultrastructural markers and key organelles of metazoan germline cells and potentially gametogenic stem cells of asexually reproducing invertebrates, were found in the perinuclear cytoplasm of the sponge archaeocyte for the first time. Common features of the morphological and functional organization of the “primary” stem cells in asexually reproducing invertebrates and the germline cells in Metazoa are discussed. Russian Journal of Marine Biology Springer Journals

Germinal granules in archaeocytes of the sponge Oscarella malakhovi Ereskovsky, 2006

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SP MAIK Nauka/Interperiodica
Copyright © 2011 by Pleiades Publishing, Ltd.
Life Sciences; Freshwater & Marine Ecology
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