Abstract
We studied the 14C-tagged biochemical compartments such as proteins, lipids and polysaccharides from bacterial and fungal cultures supplied with 14C-pesticides and 14C-glucose. We showed that 14C incorporation depends both on the substrate structure and on the nature of the micro-organism. Both bacterial and fungal cells incorporated glucose 14C mainly into cell wall proteins. By contrast, glyphosate 14C was mainly incorporated into cytoplasm carbohydrates by fungi. On the other hand, 2,4-dichlorophenoxyacetic acid 14C was mainly found in the carbohydrate fractions of the bacteria walls.
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Acknowledgements
This research was supported by the INSU program and the EGER Institute. We thank H. Jean-Jacques for her technical assistance.
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Charnay, MP., Mougin, C., Farrugia, A. et al. Incorporation of pesticides by soil micro-organisms as a way of bound residues formation. Environ Chem Lett 2, 27–30 (2004). https://doi.org/10.1007/s10311-003-0055-2
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DOI: https://doi.org/10.1007/s10311-003-0055-2