How bacteria create piggy bank for lean times

How bacteria create piggy bank for lean times

IMAGE CAPTION: Cyanophycin biosynthesis looks like a windshield wiper in action: one domain is responsible for adding aspartate (Asp), a second domain is responsible for adding arginine (Arg), two nitrogen-rich amino acids, and the third domain holds on to the growing chain of cyanophycin. CREDIT: Schmeing lab Bacteria can store extra resources for the lean times. It’s a bit like keeping a piggy bank or carrying a backup battery pack. One important reserve is known as cyanophycin granules, which were first noticed by an Italian scientist about 150 years ago. He saw big, dark splotches in the cells of the blue-green algae (cyanobacteria) he was studying without understanding either what they were or their purpose. Since then, scientists have realized that cyanophycin was made of a natural green biopolymer, that …
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