Tham khảo Tryptophan

  1. ↑ Hopkins FG, Cole SW (1901). “A contribution to the chemistry of proteids: Part I. A preliminary study of a hitherto undescribed product of tryptic digestion”. J. Physiol. (Lond.) 27 (4–5): 418–28. PMC 1540554. PMID 16992614. 
  2. ↑ Bản mẫu:OrgSyn
  3. ↑ Radwanski ER, Last RL (1995). “Tryptophan biosynthesis and metabolism: biochemical and molecular genetics”. Plant Cell 7 (7): 921–34. PMC 160888. PMID 7640526. doi:10.1105/tpc.7.7.921. 
  4. ↑ Ikeda M (2002). “Amino acid production processes”. Adv. Biochem. Eng. Biotechnol. Advances in Biochemical Engineering/Biotechnology 79: 1–35. ISBN 978-3-540-43383-5. PMID 12523387. doi:10.1007/3-540-45989-8_1. 
  5. ↑ Becker J, Wittmann C (2012). “Bio-based production of chemicals, materials and fuels -Corynebacterium glutamicum as versatile cell factory”. Curr. Opin. Biotechnol. 23 (4): 631–40. PMID 22138494. doi:10.1016/j.copbio.2011.11.012. 
  6. ↑ Conrado RJ, Varner JD, DeLisa MP (2008). “Engineering the spatial organization of metabolic enzymes: mimicking nature's synergy”. Curr. Opin. Biotechnol. 19 (5): 492–9. PMID 18725290. doi:10.1016/j.copbio.2008.07.006. 
  7. ↑ Tryptophan background
  8. ↑ Joanne Holden, Nutrient Data Laboratory, Agricultural Research Service. “USDA National Nutrient Database for Standard Reference, Release 22”. United States Department of Agriculture. Truy cập ngày 29 tháng 11 năm 2009.