Cell proteins damaged by oxygen radicals can be chemically "tagged" for elimination, but an "emergency pathway" bypasses strict protocol and can eliminate even without the need for prior tagging.
Cell & Microbiology
Jan 3, 2022
0
118
Chlorophyll, the green molecule that makes photosynthesis possible, may provide underappreciated dietary benefits, offering up yet one more reason to eat those leafy green vegetables.
Biochemistry
Oct 13, 2022
0
29
According to a study published in Water Research in April 2020, superoxide produces hydroxyl radicals in lake water. Hydroxyl radicals break down poorly biodegradable organic matter such as humic substances and anthropogenic ...
Analytical Chemistry
Apr 30, 2020
0
9
Researchers from UPM have revealed how mold from humidity caused by rotting fruits and vegetables unfolds a surprising strategy to infect plants.
Biotechnology
Oct 14, 2016
0
9
Aging in part is the result of oxidative damage to proteins caused by free radicals, a byproduct of interaction of our bodies and radiation such as sunlight. A new study by Yale scientists provides some clues into how this ...
Biochemistry
Jul 22, 2016
0
6
People tend to think of ozone as something in the upper atmosphere that protects the earth's surface from UV radiation. At the ground level, however, ozone is a pollutant that damages crops, particularly soybean.
Earth Sciences
Oct 30, 2012
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2
Tardigrades—hardy, microscopic animals commonly known as "water bears"—use a molecular sensor that detects harmful conditions in their environment, telling them when to go dormant and when to resume normal life. A team ...
Plants & Animals
Jan 17, 2024
0
90
An international group of toxicologists, including experts from the Far Eastern Federal University (FEFU), report that unicellular microalgae, the most common microorganisms on Earth and an important part of the food chain ...
Environment
Feb 20, 2019
0
17
Scientists of Tomsk Polytechnic University and partners from the Czech Republic and France have designed extremely sensitive sensors for free oxygen-containing radicals that are able to disrupt cell function. According to ...
Analytical Chemistry
Jan 29, 2020
0
11
Researchers report the catalysis of a highly specific chemical reaction where oxygen from the air is one ingredient and the other, an organic molecule, is selectively "oxidised". A simple manganese compound catalyses this ...
Materials Science
Jan 28, 2016
0
13
