Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – Malformin C
Copyright: n/a
Notes:
Species: A. nigerSystematic name: 2-[2-[2-[2-(2-aminopropanoylamino)-3-sulfanylidene-propanoyl]amino-3-methyl-butanoyl]amino-4-methyl-pent-4-enoyl]amino-4-methyl-pentanethioic acidMolecular formulae: C23H39N5O5S2Molecular weight: 529.718Chemical abstracts number: 59926-78-2Selected references: KOBBE B ; CUSHMAN M ; WOGAN GN ; DEMAIN AL. Production and antibacterial activity of malformin C, a toxic metabolite of Aspergillus niger. APPL ENVIRON MICROBIOL; 33 (4). 1977 996-997Toxicity: mouse LD50 intraperitoneal 900ug/kg (0.9mg/kg) CRC Handbook of Antibiotic Compounds, Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980Vol. 4(1), Pg. 309, 1980.
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Nodules and areas of atelectasis are seen at both bases. He later died.
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It is clearly a relatively small cavitary lesion, and the patient was almost asymptomatic. This response was a ‘stable’ response. The patient was included in the report Denning DW, Lee JY, Hostetler JS, Pappas P, Kauffman CA, Dewsnup DH, Galgiani JN, Graybill JR, Sugar AM, Catanzaro A, Gallis H, Perfect JR, Dockery B, Dismukes WE, Stevens DA, NIAID Mycoses Study Group multicenter trial of oral itraconazole therapy of invasive aspergillosis. Am J Med 1994; 97: 135-144.
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Well demarcated pulmonary infarction is well seen in this close-up of the lung at autopsy in a patient with histologically confirmed invasive aspergillosis. Angio invasion is characteristic of invasive aspergillosis, is associated with a worse prognosis, but is not always seen.
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This 83 year old man presented with weight loss to a lung cancer clinic in mid 2003.
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