Abstract
Among antibiotics, tetracyclines are the most commonly used and detected in the environment. In this study, the amount of tetracycline taken up from soil by pea seedlings was analyzed, identified its main site of accumulation in plants and determined also changes in the protein profile of pea. The study demonstrates that pea seedlings take up tetracycline from soil and transport the drug via roots to over-ground parts and then accumulate it in the youngest parts, such as upper stem and leaves. After the taken up of drug, the activity of guaiacol peroxidase is modified and changes in the profile of proteins, as determined by two-dimensional gel electrophoresis occur. The majority of proteins (∼40%) visualized possessed molecular weight between 25 and 37 kDa. Only 8% of the proteins had molecular weight lower than 20 kDa, and 2% greater than 75 kDa. The number of spots in the control samples was 194, which is less by 49 than at the concentration of 150 mg kg of soil. Isoflavone reductase was present only in seedlings growing with tetracycline. Tetracycline uptake from soil modify mainly the changes in biochemical processes connected with protein. © 2016 Friends Science Publishers
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