Ancient bond holds life together, literally
Animal tissues and organs may require a specific link between sulfur and nitrogen
By Beth Mole, 18:04 PM December 16, 2013
The rise of multicellular structures in animals may have hinged on a chemical link between sulfur and nitrogen atoms.
In animal tissues and organs, cells lock into a scaffold of collagen proteins that allows the cells to stick together and coordinate activities, such as tissue repair. Sulfur-nitrogen connections called sulfilimine bonds form essential links that keep the protein scaffold together, researchers have now discovered.
In 2009, Billy Hudson of Vanderbilt University in Nashville and c...
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