[Plasmids for biodegradation of 2,6-dimethylpyridine, 2,4-dimethylpyridine, and pyridine in strains of Arthrobacter]. 1992

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

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.

UI MeSH Term Description Entries
D010957 Plasmids Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS. Episomes,Episome,Plasmid
D011725 Pyridines Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D004269 DNA, Bacterial Deoxyribonucleic acid that makes up the genetic material of bacteria. Bacterial DNA
D005798 Genes, Bacterial The functional hereditary units of BACTERIA. Bacterial Gene,Bacterial Genes,Gene, Bacterial
D001173 Arthrobacter A genus of asporogenous bacteria isolated from soil that displays a distinctive rod-coccus growth cycle.
D001673 Biodegradation, Environmental Elimination of ENVIRONMENTAL POLLUTANTS; PESTICIDES and other waste using living organisms, usually involving intervention of environmental or sanitation engineers. Bioremediation,Phytoremediation,Natural Attenuation, Pollution,Environmental Biodegradation,Pollution Natural Attenuation

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