Tetrahymena, a tiny single celled-organism, turns out to be hiding a surprising secret: it's doing respiration—using oxygen to generate cellular energy—differently from other organisms such as plants, animals or yeasts. ...
Cell & Microbiology
Mar 31, 2022
0
397
The death of cells is well regulated. If it occurs too much, it can cause degenerative diseases. Too little, and cells can become tumors. Mitochondria, the power plants of cells, play a role in this programmed cell death. ...
Molecular & Computational biology
Jul 6, 2021
0
4
Living beings are continuously exposed to harmful agents, both exogenous (ultraviolet radiation, polluting gases, etc.) and endogenous (secondary products of cellular metabolism) that can affect DNA integrity. That's why ...
Cell & Microbiology
Jun 17, 2021
0
1
The fact that photosynthesis uses sunlight and atmospheric carbon dioxide to produce sugars has been known for more than a century. But how photosynthesis manages to maintain sugar production through variations in the availability ...
Plants & Animals
Jun 10, 2021
0
9
It took an unlikely food innovation—earth-friendly vegetarian patties, made to taste and "bleed" like the familiar meaty ones—to make people aware of heme.
Cell & Microbiology
May 11, 2021
1
5
Bed bugs tuck themselves away into dark, unseen spaces and multiply rapidly, making them difficult to control. That job has gotten even harder in recent years as the pests have developed resistance to the insecticides long ...
Biochemistry
Apr 21, 2021
3
926
Both humans and many other creatures need oxygen for survival. In the conversion of nutrients into energy, oxygen is converted to water, for which the enzyme oxidase is responsible. It represents the last step of the so-called ...
Cell & Microbiology
Nov 14, 2019
0
112
Scientists have solved the structure of one of the key components of photosynthesis, a discovery that could lead to photosynthesis being 'redesigned' to achieve higher yields and meet urgent food security needs.
Biotechnology
Nov 13, 2019
3
2928
A new study led by researchers at Woods Hole Oceanographic Institution (WHOI) and Swansea University Medical School furthers our knowledge of viruses—in the sea and on land— and their potential to cause life-threatening ...
Cell & Microbiology
Jun 5, 2019
0
413
Cytochrome c is a small enzyme that plays an important role in the production of energy by mitochondria. It is also involved in signaling dangerous problems that warrant apoptosis, or programmed cell death. Using solid-state ...
Cell & Microbiology
Mar 15, 2019
0
7
