Furthermore, just as happens inside immune cells that target microbes ... compared to only 50 to 75 mitochondria in a single mammalian sperm. More information: Sharon Ben-Hur et al, Egg ...

elegans gene that leads the organelles to self-destruct in sperm following fertilization ... and colleagues examined the C. elegans cells using electron microscopy and tomography, finding that the ...

Mitochondria are tiny structures that help ... Whenever an egg cell is fertilized, nuclear chromosomes from a sperm cell enter the egg and, together with the egg's nuclear DNA, form the DNA ...

In some specialized cell types, like neurons and sperm, energy needs are high and mitochondria are trafficked long distances, dictating unique needs for the shape of the mitochondrial network.

Most animal, plant and fungal cells contain organelles called mitochondria. These descendants of a primordial bacterial ...

Sperm cells can swim fast thanks to a tail, streamlined shape and a high concentration of energy transferring mitochondria. Good thing too, because without sperm, animals couldn't reproduce.

Figure 1: The generation of embryonic stem cells through in vitro fertilization (IVF), intracytoplasmic sperm injection ... few hundred to several thousand mitochondria and this reflects their ...