Screening for fungi intensively mineralizing 2,4,6-trinitrotoluene

被引:89
作者
Scheibner, E
Hofrichter, M
Herre, A
Michels, J
Fritsche, W
机构
[1] Friedrich Schiller Univ. Jena, Institut für Mikrobiologie, Lehrstuhl Technische Mikrobiologie, D-07743 Jena
关键词
PHANEROCHAETE-CHRYSOSPORIUM; TNT; DEGRADATION; METABOLISM; NITROREDUCTASE; BIODEGRADATION; IDENTIFICATION;
D O I
10.1007/s002530050955
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
Within a screening program, 91 fungal strains belonging to 32 genera of different ecological and taxonomic groups (wood- and litter-decaying basidiomycetes, saprophytic micromycetes) were tested for their ability to metabolize and mineralize 2,4,6-trinitrotoluene (TNT). All these strains metabolized TNT rapidly by forming monoaminodinitrotoluenes (AmDNT). Micromycetes produced higher amounts of AmDNT than did wood- and litter-decaying basidiomycetes. A significant mineralization of [C-14]TNT was only observed for certain wood- and litter-decaying basidiomycetes. The most active strains, Clitocybula dusenii TMb12 and Stropharia rugosa-annulata DSM11372 mineralized 42% and 36% respectively of the initial added [C-14]TNT (100 mu M corresponding to 4.75 mu Ci/l) to (CO2)-C-14 within 64 days. Micromycetes (deuteromycetes, ascomycetes, zygomycetes) proved to be unable to mineralize [C-14]TNT significantly.
引用
收藏
页码:452 / 457
页数:6
相关论文
共 27 条
[1]   METABOLISM OF 2,4,6-TRINITROTOLUENE BY A PSEUDOMONAS-CONSORTIUM UNDER AEROBIC CONDITIONS [J].
BOOPATHY, R ;
MANNING, J ;
MONTEMAGNO, C ;
KULPA, C .
CURRENT MICROBIOLOGY, 1994, 28 (03) :131-137
[2]  
BRYANT C, 1991, J BIOL CHEM, V266, P4119
[3]   BIODEGRADATION OF 2,4,6-TRINITROTOLUENE BY PHANEROCHAETE-CHRYSOSPORIUM - IDENTIFICATION OF INITIAL DEGRADATION PRODUCTS AND THE DISCOVERY OF A TNT METABOLITE THAT INHIBITS LIGNIN PEROXIDASES [J].
BUMPUS, JA ;
TATARKO, M .
CURRENT MICROBIOLOGY, 1994, 28 (03) :185-190
[4]  
EILERS A, 1996, THESIS GEORG AUGUST
[5]   BIODEGRADATION OF TNT (2,4,6-TRINITROTOLUENE) BY PHANEROCHAETE-CHRYSOSPORIUM [J].
FERNANDO, T ;
BUMPUS, JA ;
AUST, SD .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1990, 56 (06) :1666-1671
[6]  
GORGE E, 1994, THESIS PHILIPPS U MA
[8]   Depolymerization of low rank coal by extracellular fungal enzyme systems .1. Screening for low rank-coal-depolymerizing activities [J].
Hofrichter, M ;
Fritsche, W .
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 1996, 46 (03) :220-225
[9]   Depolymerization of low-rank coal by extracellular fungal enzyme systems .2. The ligninolytic enzymes of the coal-humic-acid-depolymerizing fungus Nematoloma frowardii b19 [J].
Hofrichter, M ;
Fritsche, W .
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 1997, 47 (04) :419-424
[10]  
HOFRICHTER M, 1995, TERRA TECH, V4, P69