| Autor: |
Koroleva, O. V., Stepanova, E. V., Landesman, E. O., Vasilchenko, L. G., Khromonygina, V. V., Zherdev, A. V., Rabinovich, M. L. |
| Zdroj: |
Toxicological and Environmental Chemistry; April 2001, Vol. 80 Issue: 3-4 p175-188, 14p |
| Abstrakt: |
The interaction between atrazine, a triazine herbicide, and a series of decay fungi was characterized in terms of biodegradation of the herbicide and its influence on fungal growth. The following fungi were studied: thermophilic cellulolytic (Penicillium sp.13) and noncellulolytic (Humicola lanuginosa sp.5 and 12) strains isolated from self‐heated plant composts, mesophilic diphenol oxidase producing strain Mycelia steriliaINBI 2–26, white‐rot fungi Cerrena maxima, Coriolopsis fulvocinereaand Coriolus hirsutus.Competitive enzyme immunoassay was elaborated for detection of atrazine in cultural liquid. During agar plate cultivation the growth of Humicola sp.5 was promoted by atrazine whereas the growth of Humicola sp.12 and Penicillium sp.13 was suppressed whereas M. steriliaINBI 2–26 was not affected by the herbicide. Neither atrazine‐accelerated nor atrazine‐depressed thermophilic strains decomposed atrazine during 21‐day cultivation according to ELISA data. In contrast, white‐rot fungi Coriolus hirsutus, Coriolopsis fuhocinereaand Cerrena maximadegraded nearly 50% of the herbicide in 5‐day submerged cultivation and 80–92% of the herbicide up to the 40th day. The soil strain M. steriliaINBI 2–26 decomposed 70% of atrazine in 17‐day cultivation. The degradation level depended of the time of atrazine introduction to the growing media. The relationships between the degree of atrazine decomposition and laccase and Mn‐peroxidase production were shown. |
| Databáze: |
Supplemental Index |
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