Legume plants do not depend on externally supplied nitrogen, because they can form a symbiosis with nitrogen-fixing bacteria, called rhizobia. The plants recognize the nitrogen-fixing bacteria and allow them to colonize specially ...
Molecular & Computational biology
Jan 25, 2023
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33
WNT signaling is crucial for the development of organisms and the maintenance of tissue homeostasis, since the WNT messengers are involved in a variety of cellular functions. In skeletal muscle, for example, they can increase ...
Cell & Microbiology
Dec 13, 2022
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10
Scientists at EPFL have determined how a protein that is critical in our first line of immune defense is regulated in the cell to prevent autoinflammatory diseases.
Cell & Microbiology
Oct 25, 2022
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33
Membrane proteins are key targets for many drugs. They are located between the outside and inside of our cells. Some of them, called transporters, move certain substances in and out of the cellular environment. Yet, extracting ...
Biochemistry
Oct 24, 2022
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63
The surface of B cells is covered with antigen receptors with which they recognize invading pathogens such as bacteria and viruses. When a B cell receptor binds to an antigen, that is, to a foreign structure, the B cell is ...
Cell & Microbiology
Oct 19, 2022
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14
Researchers at the John Innes Centre and partners at the Chinese Academy of Sciences have identified a molecular switch that establishes differential cell growth and organ shape.
Plants & Animals
Oct 3, 2022
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234
Cells are constantly making decisions that lead to differentiation. For instance, cells in an embryo make a series of decisions that determine whether they will become neurons in some cases and muscle cells in others. How ...
Biochemistry
Sep 27, 2022
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288
Much like humans, plants, and bacteria, the single-celled parasite Toxoplasma gondii (T. gondii) uses calcium as a messenger to coordinate important cellular processes. But while the messenger is the same, the communication ...
Biotechnology
Sep 1, 2022
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31
Johns Hopkins Medicine researchers say they have evidence to potentially overturn a prevailing belief in a type of important signaling within cells. The mainstream idea is that a single protein receptor molecule—a kind ...
Cell & Microbiology
Aug 19, 2022
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41
We have recently witnessed the stunning images of distant galaxies revealed by the James Webb telescope, which were previously visible only as blurry spots. Washington University in St. Louis researchers have developed a ...
Cell & Microbiology
Aug 5, 2022
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