Planaria are freshwater flatworms that have become a key model for studying regeneration and stem cells, as they can regenerate any part of the body, even the head. But how does the animal know what part of its body is missing ...
Cell & Microbiology
Feb 14, 2023
0
60
Ribosomes are the nanomachines of the cell whose task is the correct synthesis of proteins. Researchers at the Heidelberg University Biochemistry Center are studying the emergence of these "protein factories", also known ...
Cell & Microbiology
Feb 8, 2023
0
58
Messenger RNAs (mRNAs) contain chemical marks that are critical for antiviral defense in cells, according to a new study from researchers at Weill Cornell Medicine. The finding solves a 50-year mystery concerning the purpose ...
Cell & Microbiology
Feb 2, 2023
0
63
Scientists at the Max Planck Institute of Molecular Plant Physiology in Potsdam (Germany) analyzed the inheritance of chloroplasts under different environmental conditions in almost 4 million tobacco plants.
Plants & Animals
Jan 16, 2023
1
26
The higher the temperatures, the faster physiological processes are. But there is an exception: the so-called circadian clock, which regulates the sleep-wake cycle in organisms. A fascinating question for scientists is why ...
Cell & Microbiology
Dec 29, 2022
0
311
For decades, scientists have been stumped by the signals plants send themselves to initiate photosynthesis, the process of turning sunlight into sugars. UC Riverside researchers have now decoded those previously opaque signals.
Molecular & Computational biology
Dec 21, 2022
0
333
How did the complex organisms on Earth arise? This is one of the big open questions in biology. A collaboration between the working groups of Christa Schleper at the University of Vienna and Martin Pilhofer at ETH Zurich ...
Evolution
Dec 21, 2022
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97
Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...
Evolution
Dec 20, 2022
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231
A team of scientists has uncovered the physical principles—a series of forces and hydrodynamic flows—that help ensure the proper functioning of life's blueprint. Its discovery provides new insights into the genome while ...
General Physics
Dec 19, 2022
0
283
Glucocorticoids—such as cortisone—are among the most widely used anti-inflammatory drugs, and are used to treat asthma, psoriasis, organ transplantation and even COVID-19. Regarding their pharmacological action, the activity ...
Biochemistry
Dec 5, 2022
0
96
