Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – territrem B
Copyright: n/a
Notes:
Species: A. terreusSystematic name: 4H,11H-Naphtho(2,1-b)pyrano(3,4-e)pyran-1,11(5H)-dione, 4a,6,6a,12,12a,12b-hexahydro-4a,12a-dihydroxy-4,4,6a,12b-tetramethyl-9-(3,4,5-trimethoxyphenyl)-, (4aR,6aR,12aS,12bS)- 4H,11H-Naphtho(2,1-b)pyrano(3,4-e)pyran-1,11(5H)-dione, 4a,6,6a,12,12a,12b-hexaMolecular formulae: C29H34O9Molecular weight: 526.575Chemical abstracts number: 70407-20-4Selected references: Ling KH, Yang CK, Peng FT. Territrems, tremorgenic mycotoxins of Aspergillus terreus. Appl Environ Microbiol. 1979 Mar;37(3):355-7. Chen JW, Luo YL, Hwang MJ, Peng FC, Ling KH. Territrem B, a tremorgenic mycotoxin that inhibits acetylcholinesterase with a noncovalent yet irreversible binding mechanism. J Biol Chem. 1999 Dec 3;274(49):34916-23. Chen JW, Ling KH. Territrems: Naturally Occurring Specific Irreversible Inhibitors of Acetylcholinesterase. J Biomed Sci. 1996 Jan;3(1):54-58.Toxicity: mouse LD50 intraperitoneal 9060ug/kg (9.06mg/kg) Applied and Environmental Microbiology. Vol. 47, Pg. 98, 1984.
Images library
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Title
Legend
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Image G. 14/5/99
Showing progression of the cavity with some debris inside -
Image F. 14/5/99
Compare with B, showing progressive enlargement of cavity and formation of fungal ball. -
Image E 14/5/99
Showing enlargement of cavity at left apex and formation of a new cavity there. -
Image C. 30/3/99
Parenchymal or pleural disease adjacent to the mediasternum on the left with diffuse parenchymal disease. Also pleural based nodules bilaterally.