Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – terrein
Copyright: n/a
Notes:
Species: A. fischeri, A. lentulus, A. monodii, A. monodii, A. novofumigatus, A. olivicola, A. terreus, Emericella variecolor, Emericella venezuelensisSystematic name: 2-Cyclopenten-1-one, 4,5-dihydroxy-3-propenyl- 2-Cyclopenten-1-one, 4,5-dihydroxy-3-(1-propenyl)-Molecular formulae: C8H10O3Molecular weight: 154.163Chemical abstracts number: 582-46-7Selected references: Kiriyama, Noriki; Nitta, Keiichi; Sakaguchi, Yoshiaki; Taguchi, Yasuhisa; Yamamoto, Yuzuru (Fac. Pharm. Sci., Kanazawa Univ., Kanazawa, Japan). Chem. Pharm. Bull., 25(10), 2593-601 (English) 1977.Frisvad JC, Samson RA. Syst Appl Microbiol. 2004 Nov;27(6):672-80. Emericella venezuelensis, a new species with stellate ascospores producing sterigmatocystin and aflatoxin B1.Park SH, Kim DS, Kim WG, Ryoo IJ, Lee DH, Huh CH, Youn SW, Yoo ID, Park KC. Terrein: a new melanogenesis inhibitor and its mechanism. Cell Mol Life Sci. 2004 Nov;61(22):2878-85.
Images library
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Legend
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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.
