Does anybody know about a cysteine over producing E. coli strain and the maximum cysteine concentration?

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Christian Schipp

Dear Marc,

Wacker Chemie AG produces l-cysteine with E.coli.

Find in the attachement the preliminary PhD work for this process.

Best,

Christian

http://www.wacker.com/cms/de/www_archive/www_2008/www_38/38_innovations/38_cystein/38_cystein.jsp

Marc Schürmann

Thank you for the PDF Christian. If I got it right, a transporter is important for higher (extracellular) cysteine production. Are their other means to increase the intracellular cysteine concentration?