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KMID : 0545120130230050652
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Journal of Microbiology and Biotechnology
2013 Volume.23 No. 5 p.652 ~ p.655
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p-Terphenyls from Fungus Paxillus curtisii Chelate Irons: A Proposed Role of p-Terphenyls in Fungus
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Lee In-Kyoung
Ki Dae-Won
Kim Seong-Eun
Lee Myeong-Seok
Song Ja-Gyeong
Yun Bong-Sik
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Abstract
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Diverse p-terphenyl compounds, named curtisians, have been isolated from the fungus Paxillus curtisii, and degradation of wood by this fungus is thought to be progressed by iron chelation of p-terphenyl curtisians. In this study, the iron chelation ability of p-terphenyls has been proved by chrome azurol S (CAS) assay, reducing power, and UV?visible spectroscopic analyses. The catechol moiety of p-terphenyl is an essential factor for the potent iron chelation ability, and thus deacylated curtisian with a tetrahydroxyl moiety in the central ring of p-terphenyl is more effective than acylated curtisians.
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KEYWORD
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Curtisian, Iron chelation, Paxillus curtisii, p-Terphenyl
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