About 120 million unintended pregnancies occurred each year between 2015 and 2019 worldwide. While there are oral contraceptives for women, the development of oral contraceptives for men has not been successful. Now, a team ...
Molecular & Computational biology
Aug 23, 2021
0
392
Chromosomes occupy specific regions of the cell nucleus called chromosome territories. In somatic cells, scientists have observed that there is a correlation between this positioning and genome regulation. In fact, alterations ...
Cell & Microbiology
Jul 30, 2021
0
438
While the reproduction process of flowering plants has been known for more than 120 years, there still remain many mysteries to unravel. Researchers from INRAE, ENS de Lyon, CNRS and Limagrain characterized a new membrane ...
Cell & Microbiology
Jul 30, 2021
0
498
A research team at the Humboldt University Berlin and the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) developed an agent-based computer model to simulate the journey of sperm cells through the female genital ...
Plants & Animals
Jul 15, 2021
0
10
Turns out the comic books were wrong.
Molecular & Computational biology
Jun 12, 2021
11
244
Scientists from Nagoya University, Yokohama City University and Chubu University have developed a system which enables the live imaging of the formation of the female gamete in plants.
Plants & Animals
Apr 2, 2021
0
12
It has long been understood that a parent's DNA is the principal determinant of health and disease in offspring. Yet inheritance via DNA is only part of the story; a father's lifestyle such as diet, being overweight and stress ...
Molecular & Computational biology
Mar 16, 2021
9
2811
Egg cells are by far the largest cells produced by most organisms. In humans, they are several times larger than a typical body cell and about 10,000 times larger than sperm cells.
Molecular & Computational biology
Mar 5, 2021
0
27
Not all species need sperm to fertilize an egg for sexual reproduction. Some species need sperm in order to induce completion of egg nucleus development, but then never use the sperm's DNA. I describe how this self-sexual ...
Plants & Animals
Feb 19, 2021
0
7
Competition among sperm cells is fierce—they all want to reach the egg cell first to fertilize it. A research team from Berlin now shows in mice that the ability of sperm to move progressively depends on the protein RAC1. ...
Biotechnology
Feb 4, 2021
0
239
