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.