Secondary metabolites, 3D structure: Trivial name – Silvaticol precursor

Date: 26 November 2013

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Secondary metabolites, 3D structure: Trivial name – Silvaticol precursor

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Notes:

Species: A. silvaticusSystematic name: Benzaldehyde, 4-hydroxy-2-methoxy-3,6-dimethyl-Molecular formulae: C10H12O3Molecular weight: 180Chemical abstracts number: 114090-44-7Selected references: Kawahara, Nobuo; Nozawa, Koohei; Nakajima, Shoichi; Udagawa, Shunichi; Kawai, Kenichi (Fac. Pharm. Sci., Hoshi Univ., Tokyo 142, Japan). Chem. Pharm. Bull., 36(1), 398-400 (English) 1988.

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  • Aspergillus versicolor

    A. versicolor by microscopy showing very long thin conidiophores.

    aspvers4

  • Aspergillus versicolor

    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.

    aspvers3

  • Aspergillus versicolor

    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

    aspvers2

  • Aspergillus versicolor

    aspvers1

  • Aspergillus restrictus

    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

    A

  • Aspergillus piperis

    Scanning electron micrograph photo of conidia. Scale bar: 1 µm.

    piperis F

  • Aspergillus piperis

    Conidia

    piperis E

  • Aspergillus penicillioides

    Conidia-forming head and culture plate

    A

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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.

    niger

  • Aspergillus chevalieri

    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.

    Aspergillus_chevalieri