✦ LIBER ✦

Determination of cell fate in sea urchin embryos

✍ Scribed by Brian T. Livingston; Fred H. Wilt

Publisher: John Wiley and Sons
Year: 1990
Tongue: English
Weight: 606 KB
Volume: 12
Category: Article
ISSN: 0265-9247
DOI: 10.1002/bies.950120304

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Classical embryological studies have provided a great deal of information on the autonomy and stability of cell fate determination in early sea urchin embryos. However, these studies were limited by the tools available at the time, and the interpretation of the results of these experiments was limited by the lack of information available at the molecular level. Recent studies which have re‐examined classical experiments at the molecular level have provided important new insights into the mechanism of determination in sea urchins, and require us to re‐evaluate some long standing theories on the process of differentiation.

📜 SIMILAR VOLUMES

Studies on phosphorus metabolism in sea

Studies on phosphorus metabolism in sea urchin embryos

✍ Villee, C. A. ;Villee, D. T. 📂 Article 📅 1952 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 638 KB

Immunogold detection of glycoprotein ant

Immunogold detection of glycoprotein antigens in sea urchin embryos

✍ Benson, Nancy C. ;Benson, Stephen C. ;Wilt, Fred 📂 Article 📅 1989 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 616 KB

Four developmental stages of sea urchin embryos were labeled with colloidal gold in an attempt to elucidate the intracellular trafficking patterns within the cells that produce the glycoprotein matrix of the embryonic spicule. The primary mesenchyme cells (PMCs) form a syncytium and secrete an organ

Development of swimming behavior in sea

Development of swimming behavior in sea urchin embryos. I.

✍ Maruyama, Yoshihiko K. 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 657 KB

## Abstract Development of behavior in sea urchin embryos and larvae was studied with special attention to rotation on the animal‐vegetal axis. Within the fertilization membrane, each embryo rotated either clockwise or counterclockwise on the animal‐vegetal axis and the direction of rotation (= spi

Development of swimming behavior in sea

Development of swimming behavior in sea urchin embryos. II

✍ Maruyama, Y. K. 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 627 KB

## Abstract The previous study has revealed that sea urchin prehatching embryos exhibited either clockwise or counterclockwise spin on the animal—vegetal axis, whereas the hatched embryos showed only counterclockwise spin. This behavioral change at hatching was analyzed in the present study by test

Effect of reduced protein synthesis on t

Effect of reduced protein synthesis on the cell cycle in sea urchin embryos

✍ François Dubé 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 827 KB

We have reinvestigated the existence of cyclical fluctuations of protein synthesis and have examined the effects of reducing it in early embryos of the purple sea urchin, Strongylocentrotus purpuratus. The results show that protein synthesis increases linearly during the first 45-60 minutes after fe

Apoptosis in sea urchin oocytes, eggs, a

Apoptosis in sea urchin oocytes, eggs, and early embryos

✍ Ekaterina Voronina; Gary M. Wessel 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 296 KB

## Abstract Certain experimental manipulations with sea urchin oocytes, eggs, and early embryos result in induction of cell death. We were interested in whether or not these cells posessed functional apoptotic machinery, and whether cellular demise under certain experimental conditions is due to ac