The amino acid polymer cyanophycin could serve as a new and sustainable feedstock for so far petroleum-based plastics or polyaspartic acid.
Cyanophycin is produced naturally as nitrogen storage mainly by cyanobacteria, but in rather low amounts of maximally 3 percent of cell dry mass. Here we present for the first time cyanobacteria that are able to produce large quantities of cyanophycin.
Tags: PII protein, N-acetyl-L- glutamate kinase (NAGK), biosynthesis of arginine, nitrogen-fixing bacteria, manipulation, Synechocystis
Source: TechnologieAllianz, 2012-12-06.