Mammalian sperm cannot fertilize an egg from the get-go. It's an ability acquired only after insemination, during passage through the female reproductive tract, and requires two consecutive, time-sensitive processes to provide ...
Cell & Microbiology
Aug 20, 2021
0
415
Toxoplasma gondii, the parasite responsible for toxoplasmosis, is capable of infecting almost all cell types. It is estimated that up to 30% of the world's population is chronically infected, the vast majority asymptomatically. ...
Cell & Microbiology
Jun 24, 2021
0
9
New research published in the Journal of Cellular and Molecular Medicine indicates that SARS-CoV-2, the virus that causes COVID-19, produces microRNAs that can have impacts on infected cells. MicroRNAs are genetic molecules ...
Molecular & Computational biology
Jun 23, 2021
0
5
Pseudomonas aeruginosa is an opportunistic pathogenic bacterium present in many ecological niches, such as plant roots, stagnant water or even the pipes of our homes. Naturally very versatile, it can cause acute and chronic ...
Cell & Microbiology
Jun 21, 2021
0
18
In the heart there are two different subtypes of beta-adrenergic receptors—beta1 and beta2—which are activated by the stress hormones adrenaline and noradrenaline. They both trigger the strongest stimulation of the heart ...
Molecular & Computational biology
Jun 15, 2021
0
17
Researchers of the University of Oulu, Finland, have for the first time uncovered the molecular structure of a key protein, PARP2, when bound to damaged DNA. PARP2 is one of the key enzymes protecting and maintaining our ...
Biotechnology
Jun 9, 2021
0
4
Scientists at Tokyo Institute of Technology (Tokyo Tech) have uncovered mechanisms underlying the activation of the MRN complex—the cell's DNA scissors. Using purified yeast proteins, they demonstrated that phosphorylation ...
Biotechnology
Mar 10, 2021
0
12
Researchers in the UK have developed a way to coax microscopic particles and droplets into precise patterns by harnessing the power of sound in air. The implications for printing, especially in the fields of medicine and ...
Materials Science
Mar 5, 2021
0
648
Cell velocity, or how fast a cell moves, is known to depend on how sticky the surface is beneath it, but the precise mechanisms of this relationship have remained elusive for decades. Now, researchers from the Max Delbrück ...
Cell & Microbiology
Jan 18, 2021
1
203
Starting as a single cell, organisms undergo millions of generations of divisions to ultimately generate the bones, heart, brain and other components that make up a living being. The mainspring within this intricate process ...
Cell & Microbiology
Jan 6, 2021
0
395
