EXPOSURE of unfertilised
sea urchin eggs to NH4Cl and other weak bases such as procaine or nicotine results in the activation of some of the events which normally follow fertilisation, such as the acceleration of protein synthesis and the initiation of DNA synthesis1, 2.
There is a similar acidification of the seawater and increase in intracellular pH when
sea urchin eggs are exposed to NH4Cl or procaine.
Developmental biologist Gary Wessel and colleagues at Brown University in Providence, Rhode Island, found the answer by studying
sea urchin eggs during fertilization.
I went to Woods Hole so as to be able to work on
sea urchin eggs, as by then we had a good understanding of our reticulocyte system.
Not exact matches
The shop will offer three flavors of Kit Kat sushi: Maguro (tuna), Tamago (
egg) and Uni (
sea urchin).
Warm
egg custard with duck confit and
sea urchin?
The focus is on robata — charcoal - grilled meats and vegetables — but the real treats are on the daily - changing chalkboard menu: pristine fried prawns; quivering cubes of house - made tofu; a velvety poached
egg with Santa Barbara
sea urchin; silky custard with silkier foie gras.
Fig - 6 The
Sea Egg or
Sea Urchin (Lytechinus), about 3» across.
Green
Sea Urchin: Lytechinus variegatus Smaller than the Sea Egg, the green urchin seldom gets more that 3» a
Urchin: Lytechinus variegatus Smaller than the
Sea Egg, the green
urchin seldom gets more that 3» a
urchin seldom gets more that 3» across.