Journal ArticleDOI
Surface area change at fertilization: resorption of the mosaic membrane.
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TLDR
This study indicates that the resulting mosaic membrane is not a long-lived, simple arithmetic combination of its components, rather, the mosaic membrane undergoes a rapid and dynamic shrinkage by a mechanism which is not apparent on the basis of egg topography alone.About:
This article is published in Developmental Biology.The article was published on 1979-06-01. It has received 134 citations till now. The article focuses on the topics: Human fertilization.read more
Citations
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Journal ArticleDOI
Generation, control, and processing of cellular calcium signals.
TL;DR: Referee: Guiseppe Inesi, M.D., Ph.D.
Book ChapterDOI
Fertilization in teleost fishes: mechanisms of sperm-egg interactions
TL;DR: This chapter describes some of the principal morphological and cellular features of fertilization in fishes, from the initial encounter between sperm and egg to their fusion to form the zygote.
Book ChapterDOI
The biology of cortical granules
Gary M. Wessel,Jacqueline M. Brooks,Emma Green,Sheila A. Haley,Ekaterina Voronina,Julian Wong,Victor M. Zaydfudim,Sean D. Conner +7 more
TL;DR: Diverse animals are examined in a comparative approach to help understand how secretory vesicles of fertilization function throughout phylogeny and to establish conserved themes of function.
Journal ArticleDOI
Structural organization of actin in the sea urchin egg cortex: microvillar elongation in the absence of actin filament bundle formation.
David A. Begg,LI Rebhun,H Hyatt +2 more
TL;DR: Results suggest that the elongation of MV is stimulated by a rise in intracellular free Ca(++) concentration, and the formation of actin filament bundle formation is triggered by an increase in cytoplasmic pH.
References
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Journal ArticleDOI
Intracellular pH and activation of sea urchin eggs after fertilisation.
James D. Johnson,David Epel +1 more
TL;DR: The intracellular pH of the sea urchin embryo increases 0.3 pH units between 1 and 4 min after fertilisation, which is required for initiating development.
Journal ArticleDOI
Fast block to polyspermy in sea urchin eggs is electrically mediated
TL;DR: Results presented here confirm the existence of the fast block and demonstrate that it is caused by the electrical depolarisation of the egg plasma membrane that accompanies the entrance of the fertilising sperm.
Journal ArticleDOI
The isolation of intact cortical granules from sea urchin eggs: Calcium ions trigger granule discharge
TL;DR: The results support the hypothesis that once initiated, the propagation of cortical granule discharge spreads as an autocatalytic wave in which discharging granules release Ca2+ through their membranes which in turn triggers the discharge of adjacent granules.
Journal ArticleDOI
Direct measurement of intracellular pH during metabolic derepression of the sea urchin egg.
TL;DR: Direct measurements of intracellular pH of sea urchin eggs during fertilisation and activation by ammonia demonstrate the postulated increase of intrACEllular pH resulting from fertilisation or exposure to NH4Cl, although the changes in pH differ from those reported in homogenates and seem to be regulated in a more complex manner than originally anticipated.
Journal ArticleDOI
Polarized bundles of actin filaments within microvilli of fertilized sea urchin eggs.
David R. Burgess,T E Schroeder +1 more
TL;DR: Actin bundles in the microvilli of sea urchin eggs may mediate microvillus support and elongation and are shown to be composed of actin by their ability to interact with muscle heavy meromyosin (HMM).
Related Papers (5)
The isolation of intact cortical granules from sea urchin eggs: Calcium ions trigger granule discharge
Polarized bundles of actin filaments within microvilli of fertilized sea urchin eggs.
David R. Burgess,T E Schroeder +1 more