Qian Liu, Yongsong Cheng, Xixian Xie, Qingyang Xu & Ning Chen (2012). Modification of tryptophan transport system and its impact on production of l-tryptophan in Escherichia coli. Bioresource Technology.

Strains

• Escherichia coli TRTH ΔaroP-Y
• Escherichia coli K-12-Y
• Escherichia coli TRTH ΔaroP
• Escherichia coli TRTH-Y
• Escherichia coli TRTH ΔaroP-Y
• Escherichia coli K-12-A
• Escherichia coli TRTH
• Escherichia coli MG1655

Plasmids

• pSTV28-Y

Metabolite production

• L-tryptophan
  Titer
  • 36.3 g/L (Escherichia coli TRTH-Y in Fed-Batch)
  • 32.2 g/L (Escherichia coli TRTH in Fed-Batch)