Biodiversity of aerobic methylobacteria associated with the phyllosphere of the southern Moscow region |
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Authors: | E. N. Kaparullina N. V. Doronina I. I. Mustakhimov N. V. Agafonova Yu. A. Trotsenko |
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Affiliation: | 1.Skryabin Institute of Biochemistry and Physiology of Microorganisms,Russian Academy of Sciences,Pushchino,Russia;2.Pushchino State University of Natural Sciences,Pushchino,Russia |
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Abstract: | During the summer period (15–25°C), 34 strains of methylotrophic bacteria associated with different species of herbs, shrub, and trees in Pushchino (Moscow oblast, Russia) were isolated on the medium with methanol. Predominance of pink-colored Methylobacterium strains in the phyllosphere of many plants was confirmed by microscopy, enumeration of the colonies from grass leaves, and sequencing of the 16S rRNA genes. Colorless and yellow-pigmented methylotrophs belonged to the genera Methylophilus, Methylobacillus, Hansschlegelia, Methylopila, Xanthobacter, and Paracoccus. All isolates were able to synthesize plant hormones auxins from L-tryptophan (5?50 μg/mL) and are probably plant symbionts. |
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