REGULATION OF CHLOROPHENOL AND METHYLPHENOL DEGRADATION IN COMAMONAS-TESTOSTERONI-JH5

被引:38
作者
HOLLENDER, J [1 ]
DOTT, W [1 ]
HOPP, J [1 ]
机构
[1] TECH UNIV BERLIN, FACHGEBIET HYG, D-13353 BERLIN, GERMANY
关键词
D O I
10.1128/AEM.60.7.2330-2338.1994
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
Comamonas testosteroni JH5 was isolated from a mixed bacterial culture enriched on different chloro- and methylphenols. The strain completely mineralized a mixture consisting of 4-chlorophenol (4-CP) and 4-methylphenol (4-MP). During degradation of the mixture, 4-hydroxybenzyl alcohol, 4-hydroxybenzaldehyde, 4-hydroxybenzoic acid, and 4-chlorocatechol were detected as short-lived intermediates. Mineralization of 4-CP and that of 4-MP occurred successively and were accompanied by diauxic growth, whereas 4-CP and 2-methylphenol were mineralized simultaneously. It was ascertained that neither a reversible enzyme inhibition nor potential toxic intermediates caused the observed diauxie. Some facts support the hypothesis that the successive degradation of 4-CP and 4-MP is regulated on the level of transcription. C. testosferoni JH5 contained a meta-cleaving enzyme when pregrown on 4-CP and the isomeric monomethylphenols. Inactivation of this enzyme in the presence of 3-chlorocatechol was observed.
引用
收藏
页码:2330 / 2338
页数:9
相关论文
共 36 条
[1]   SUICIDE INACTIVATION OF CATECHOL 2,3-DIOXYGENASE FROM PSEUDOMONAS-PUTIDA MT-2 BY 3-HALOCATECHOLS [J].
BARTELS, I ;
KNACKMUSS, HJ ;
REINEKE, W .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1984, 47 (03) :500-505
[2]   METABOLISM OF CRESOLS BY SPECIES OF PSEUDOMONAS [J].
BAYLY, RC ;
DAGLEY, S ;
GIBSON, DT .
BIOCHEMICAL JOURNAL, 1966, 101 (02) :293-+
[3]  
BRADFORD MM, 1976, ANAL BIOCHEM, V72, P248, DOI 10.1016/0003-2697(76)90527-3
[4]  
Chapman P. J, 1972, DEGRADATION SYNTHETI, P17
[5]   DISTRIBUTION OF ISOPRENOID QUINONE STRUCTURAL TYPES IN BACTERIA AND THEIR TAXONOMIC IMPLICATIONS [J].
COLLINS, MD ;
JONES, D .
MICROBIOLOGICAL REVIEWS, 1981, 45 (02) :316-354
[6]   NOVEL PATHWAY FOR DEGRADATION OF PROTOCATECHUIC ACID IN BACILLUS SPECIES [J].
CRAWFORD, RL .
JOURNAL OF BACTERIOLOGY, 1975, 121 (02) :531-536
[7]  
DAGLEY S, 1968, BIOCHEM J, V109, P251
[8]   FILAMENTOUS ORGANISMS OBSERVED IN ACTIVATED-SLUDGE [J].
EIKELBOOM, DH .
WATER RESEARCH, 1975, 9 (04) :365-388
[9]   BACTERIAL METABOLISM OF 2,6-XYLENOL [J].
EWERS, J ;
RUBIO, MA ;
KNACKMUSS, HJ ;
FREIERSCHRODER, D .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1989, 55 (11) :2904-2908
[10]   APPLICATION OF FLOW-INJECTION POTENTIOMETRY TO THE DETERMINATION OF CHLORIDE IN VARIOUS MATRICES [J].
FRENZEL, W .
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1989, 335 (08) :931-937