Mori Toshio, Kondo Ryuichiro
Department of Forest and Forest Products Sciences, Faculty of Agriculture, Kyushu University, 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
FEMS Microbiol Lett. 2002 Nov 5;216(2):223-7. doi: 10.1111/j.1574-6968.2002.tb11439.x.
The actions of a white-rot fungus on two chlorinated aromatic compounds, known to be persistent environmental contaminants, were studied. Two models, both-ring chlorinated dioxin, 2,7-dichlorodibenzo-p-dioxin (2,7-diCDD) and 2,8-dichlorodibenzofuran (2,8-diCDF), were metabolized by the white-rot fungus Phlebia lindtneri. 2,7-DiCDD disappeared linearly in the culture of P. lindtneri; over a 20-day incubation period, with only 45% remaining in the culture. One of the metabolites produced by P. lindtneri from a 5-day incubated culture with 2,7-diCDD or 2,8-diCDF was identified by gas chromatography-mass spectrometry. P. lindtneri was shown to metabolize 2,7-diCDD and 2,8-diCDF to hydroxy-diCDD and hydroxy-diCDF, respectively.
研究了一种白腐真菌对两种已知为持久性环境污染物的氯代芳香族化合物的作用。两种模型，即双环氯化二噁英2,7-二氯二苯并对二噁英（2,7-diCDD）和2,8-二氯二苯并呋喃（2,8-diCDF），被白腐真菌林德特拟栓菌代谢。2,7-diCDD在林德特拟栓菌培养物中呈线性消失；在20天的培养期内，培养物中仅剩余45%。通过气相色谱-质谱法鉴定了林德特拟栓菌在与2,7-diCDD或2,8-diCDF培养5天后产生的一种代谢产物。结果表明，林德特拟栓菌分别将2,7-diCDD和2,8-diCDF代谢为羟基二噁英和羟基二苯并呋喃。
