SULFUR-SPECIFIC MICROBIAL DESULFURIZATION OF STERICALLY HINDERED ANALOGS OF DIBENZOTHIOPHENE

被引:85
作者
LEE, MK [1 ]
SENIUS, JD [1 ]
GROSSMAN, MJ [1 ]
机构
[1] EXXON RES & ENGN CO,CORP RES,ANNANDALE,NJ 08801
关键词
D O I
10.1128/AEM.61.12.4362-4366.1995
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Dibenzothiophenes (DBTs) bearing alkyl substitutions adjacent to the sulfur atom, such as 4,6-diethyldibenzothiophene (4,6-DEDBT), are referred to as sterically hindered with regard to access to the sulfur moiety. By using enrichment cultures with 4,6-DEDBT as the sole sulfur source, bacterial isolates which selectively remove sulfur from sterically hindered DBTs were obtained, The isolates were tentatively identified as Arthrobacter species, 1,6-DEDBT sulfone was shown to be an intermediate in the 4,6-DEDBT desulfurization pathway, and 2-hydroxy-3,3'-diethylbiphenyl (HDEBP) was identified as the sulfur-free end product.
引用
收藏
页码:4362 / 4366
页数:5
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