A single cytochrome P-450 system is involved in the degradation of the herbicides EPTC (S-ethyl dipropythiocarbamate) and atrazine by Rhodococcus sp. strain NI86/21

Article Abstract:

The Rhodococcus strain NI86/21 contains a cytochrome P-450 which is responsible for the biodegradation of S-ethyl dipropythiocarbamate (EPTC) and atrazine. The products of the atrazine breakdown are N-dealkylated compounds which are not broken down further. The s-triazine ring of atrazine is not broken and NI86/21 cannot use atrazine as its nitrogen source. The breakdown of atrazine is not affected by the presence of any other carbon source, glucose or glycerol.

Herbicides, Cytochrome P-450

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Cloning and heterologous expression of a beta-D-mannosidase (EC 3.2.1.25)-encoding gene from Thermobifida fusca TM51

Article Abstract:

Research describes cloning, expression, and sequencing of manB gene encoding beta-D-mannosidase and its characterization from Themobifida fusca TM51. The enzyme also exhibits transglycosylase activity besides hemicellulose degrading capability of beta-D-mannosidase.

Hungary, Belgium, Analysis, Physiological aspects, Gene expression, Enzyme kinetics, Cellulose

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Expression of cmg1, and exo-beta-1,3-glucanase gene from Coniothyrium minitans, increases during sclerotial parasitism

Article Abstract:

Researchers have isolated a beta-1,3-glucanase from Coniothyrium minitans. This organism is a mycoparasite that infects Sclerotinia spp., which cause several crop plant diseases. Beta-1,3-glucan is a major component of the cell wall of Sclerotinia spp.

Fungi, Phytopathogenic, Phytopathogenic fungi

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