Journal
ARCHIVES OF MICROBIOLOGY
Volume 199, Issue 5, Pages 665-675Publisher
SPRINGER
DOI: 10.1007/s00203-017-1343-8
Keywords
Glyphosate; Methylphosphonate; Biodegradation; Soil bacteria; Growth parameters; Energy metabolism
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Funding
- Russian Foundation for Basic Research [14-04-01230]
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Four bacterial strains from glyphosate- or alkylphosphonates-contaminated soils were tested for ability to utilize different organophosphonates. All studied strains readily utilized methylphosphonic acid and a number of other phosphonates, but differed in their ability to degrade glyphosate. Only strains Ochrobactrum anthropi GPK 3 and Achromobacter sp. Kg 16 utilized this compound after isolation from enrichment cultures with glyphosate. Achromobacter sp. MPK 7 from the same enrichment culture, similar to Achromobacter sp. MPS 12 from methylphosphonate-polluted source, required adaptation to growth on GP. Studied strains varied significantly in their growth parameters, efficiency of phosphonates degradation and characteristic products of this process, as well as in their energy metabolism. These differences give grounds to propose a possible model of interaction between these strains in microbial consortium in phosphonate-contaminated soils.
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