In a recent study, researchers have discovered how nature repurposes ammonium transporters as receptors. This finding could have significant implications for the development of new drugs and treatments for a variety of diseases.

Ammonium transporters are proteins that are found in the membranes of cells. They are responsible for transporting ammonium ions across the membrane. Ammonium ions are a toxic byproduct of metabolism, and they can build up in the body if they are not properly transported out of cells.

In the study, researchers found that ammonium transporters can also act as receptors for certain signaling molecules. When these signaling molecules bind to the ammonium transporters, they cause the transporters to change shape. This change in shape allows the ammonium transporters to transport ammonium ions into the cell, even if the concentration of ammonium ions in the extracellular fluid is low.

The researchers believe that this repurposing of ammonium transporters could be a way for cells to regulate the transport of ammonium ions in response to changes in the extracellular environment. This could be important for a variety of cellular processes, such as metabolism and cell growth.

The finding that ammonium transporters can act as receptors also has implications for the development of new drugs and treatments for a variety of diseases. For example, drugs that target the ammonium transporter-signaling molecule interaction could be used to treat diseases that are caused by the buildup of ammonium ions in the body.

The study was conducted by researchers at the University of California, San Francisco. The findings were published in the journal Nature.

Source:

* [Researchers discover how nature repurposes ammonium transporters as receptors](https://www.sciencedaily.com/releases/2023/01/230119141913.htm)