ArticleWilhelm Roux's archives of developmental biology1983
Local surface modulation correlated with ooplasmic segregation in eggs ofSabellaria alveolata (annelida, polychaeta).
Article in Wilhelm Roux's archives of developmental biology, 1983. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Polar effects of concanavalin A on the cortical cytoskeleton of a molluscan egg (Nassarius reticulatus, Gastropoda).Roux's archives of developmental biology : the official organ of the EDBO · 1991Article
- F-Actin is a marker of dorsal induction in earlyPatella embryos.Roux's archives of developmental biology : the official organ of the EDBO · 1990Article
- The ultrastructural organization of the isolated cortex in eggs ofNassarius reticulatus (Mollusca).Roux's archives of developmental biology : the official organ of the EDBO · 1989Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the eggs ofSabellaria alveolata specific morphogenetic determinants are segregated into the vegetal part of the egg which is constricted off to form a polar lobe during the first cleavages. Segregation is supposed to take place during meiosis. In this paper we describe the appearance of a patch of small blebs at the vegetal pole of the eggs after both the first and the second meiotic division and after the first cleavage, as assessed by scanning electron microscopy. We investigated the possible functional relationship between the segregation process and the modulation of the surface architecture at the vegetal pole by treating the eggs with cytochalasin B during meiosis. As a result, both the appearance of the blebs and the development of lobe-dependent structures in the larva are suppressed. From this result it is argued that cortical processes at the vegetal pole are likely to be involved in the segregation of morphogenetic determinants.
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