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首页> 外文期刊>Applied Microbiology and Biotechnology >Oxidation of polycyclic aromatic heterocycles by Pseudomonas fluorescens TTC1
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Oxidation of polycyclic aromatic heterocycles by Pseudomonas fluorescens TTC1

机译：荧光假单胞菌TTC1氧化多环芳族杂环

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摘要

The mutant strain Pseudomonas fluorescens TTC1 (NCIMB 40605), derived from the naphthalene-degrading P. fluorescens N3 (NCIMB 40530), was used for the biotransformation of polycyclic aromatic heterocycles such as dibenzothiophene, dibenzofuran, thianthrene xanthen and acridine. The cis-1,2- and cis-3,4-dihydrodiols produced were isolated and identified from the culture filtrate. Both the regioselectivity and the productivity of the transformations, catalysed by the naphthalene dioxygenase enzymatic system, were dramatically influenced by the presence of the heteroatom. The high substrate tolerance displayed by the enzyme might be useful in the biotransformation of other related compounds.
机译：衍生自萘降解的荧光假单胞菌N3（NCIMB 40530）的突变菌株荧光假单胞菌TTC1（NCIMB 40605）用于多环芳族杂环的生物转化，例如二苯并噻吩，二苯并呋喃，噻吨黄嘌呤和a啶。从培养滤液中分离并鉴定产生的顺式1,2-和顺式3,4-二氢二醇。杂原子的存在极大地影响了萘双加氧酶酶促系统催化的区域选择性和转化效率。酶显示的高底物耐受性可能在其他相关化合物的生物转化中有用。

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