Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – Asterriquinone (3)
Copyright: n/a
Notes:
Species: A. terreusSystematic name: 1,4-Benzenediol, 2-[2-(1,1-dimethyl-2-propenyl)-1H-indol-3-yl]-5-(1H-indol-3-yl)-3,6-dimethoxy-Molecular formulae: C29H28N2O4Molecular weight: 468Chemical abstracts number: 78279-79-5Selected references: Arai, Kunizo; Shimizu, Sakae; Yamamoto, Yuzuru (Fac. Pharm. Sci., Kanazawa Univ., Kanazawa 920, Japan). Chem. Pharm. Bull., 29(4), 1005-12 (English) 1981.
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Pigmentation of Aspergillus versicolor colonies ranged from pale green to greenish-beige, pink-green, dark green and brown. Reverse is usually reddish. The growth rate is usually slow. Cultured on Sabouraud dextrose agar with chloramphenicol.
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A Colonies on MEA after one week; B, C conidial heads with tip of conidiophire, x920; D conidial head, x 2330; E conidial heads x920
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A Colonies on MEA + 20% sucrose after one week; B detail of colony showing columnar conidial heads x 44 ; C conidial heads x 920; D conidia x2330
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Cultures are grown on malt extract agar for 5-7 days at 30°C.
Light microscopy-1000x stained with lacto-phenol and cotton blue.
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A Colonies on MEA +20% sucrose after one week; B ascomata x 40; C conidiophores x 920; D ascospores x2330; E ascoma x 230; F portion of ascoma with asci and ascospores, x 920.
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