In 2011, a remarkable 28,000-year-old woolly mammoth was dug out of the Siberian permafrost, where many extraordinary animals ...

Nonetheless, Slater's conclusion that the poly(A) tails were elongated by polyadenylation in the cytoplasm of the oocytes after fertilization was still valid and intriguing and set further ...

One characteristic of oocyte development and physiology that has been a mystery for 60 years is the highly present cytoplasmic lattices within the cytoplasm of mammalian oocytes. These were ...

"The mammalian ovary is comprised of a fixed and nonrenewable pool of long-lived cells, or oocytes. They have to remain functional for up to decades in humans, so you can imagine that these cells ...

Upon examining their results, Surani et al. noted that activated oocytes alone were not viable; similarly, adding the nucleus from an egg to a regular oocyte did not produce a healthy embryo.