Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – territrem C
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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-9-(4-hydroxy-3,5-dimethoxyphenyl)-4,4,6a,12b-tetramethyl-, (4aR-(4a-alpha,6a-beta,12a-alpha,12b-beta))-Molecular formulae: C28H32O9Molecular weight: 512.548Chemical abstracts number: 89020-33-7Selected references: Ling KH, Yang CK, Peng FT. Territrems, tremorgenic mycotoxins of Aspergillus terreus. Appl Environ Microbiol. 1979 Mar;37(3):355-7. Ling KH, Liou HH, Yang CM, Yang CK. Related Articles, Links Isolation, chemical structure, acute toxicity, and some physicochemical properties of territrem C from Aspergillus terreus. Appl Environ Microbiol. 1984 Jan;47(1):98-100. 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 6280ug/kg (6.28mg/kg) Applied and Environmental Microbiology. Vol. 47, Pg. 98, 1984.
Images library
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Scanning electron micrograph of Aspergillus ochraceopetaliformis conidial heads
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Image D & E. A case of onychomycosis associated with Aspergillus ochraceopetaliformis as described in Nail infection by Aspergillus ochraceopetaliformis. Med Mycol. 2009 Mar 9:1-5, 2009, Brasch J, Varga J, Jensen JM, Egberts F & Tintelnot K
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Image 5. Oral itraconazole pulse therapy was given to the patient (200 mg twice daily for 1 week, with 3 weeks off between successive pulses, for four pulses) and treatment was successful.
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This patient was 28 yr old with adult lymphocytic leukaemia. She received induction chemotherapy and this infection developed 2 days after recovering from neutropenia.
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Close-up image of the lesion on the left thigh showing a mat of hyphae over the wound.
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Eosinophilic mucin with A. flavus in the nasal cavity. Irregular crust of 2.5 cm from a patient diagnosed as allergic fungal sinusitis. Patient with allergic fungal sinusitis
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GMS stain of eosinophilic mucin reveals a darkly stained dichotomously branched A. flavus hyphae within cellular background. Patient with allergic fungal sinusitis
