Molekuliarnaia genetika, mikrobiologiia i virusologiia 1992-01-01

[Plasmids for biodegradation of 2,6-dimethylpyridine, 2,4-dimethylpyridine, and pyridine in strains of Arthrobacter].

S R Agapova, A L Andreeva, I I Starovoĭtov, L I Vorob'eva, P B Terent'ev

Index: Mol. Gen. Mikrobiol. Virusol. (5-6) , 10-3, (1992)

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Abstract

Arthrobacter crysallopoietes strain KM-4 degrading 2,6-dimethylpyridine and strain KM-4a degrading both 2,6-dimethylpyridine and pyridine, Arthrobacter sp. KM-4b degrading 2,4-dimethylpyridine were isolated from soil. Arthrobacter crystallopoietes KM-4 and Arthrobacter sp. KM-4b contain 100 Md plasmids pBS320 and pBS323. Arthrobacter crystallopietes KM-4a harbours a 100 Md and 80 Md plasmids. Plasmid curing and conjugation transfer results confirm that these plasmids are involved in degradation of 2,6-dimethylpyridine, 2,4-dimethylpyridine and pyridine. A mutant with lost ability to degrade 2,6-dimethylpyridine was isolated during the growth of strain KM-4 rifR at 42 degrees C. Electrophoretic analysis of the plasmid from temperature sensitive mutant revealed the deletion the size of 26 Md from pBS320 plasmid.

Related Compounds

  • 2,6-lutidine
  • 2,4-Lutidine

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