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When a synchronous population of Crepis capillaris L. cells was used as the experimental material, the repair of spontaneous and induced aberrations by antimutagens was established to take place at the G1 stage. A definite period within this stage when the repair proceeds is discovered.
Mutagenic effect of vincristine, vinblastine, thiophosphamide, sarcolysine and the supermutagen ethyleneimine was studied in Crepis capillaris germinating seeds at the G phase. Metabolic conditions, prolongation of cell cycle, specific activity of preparation as well as inhibition of DNA synthesis
The seeds of Crepis capillaris were used to examine the mutagenic und antimutagenic properties of human whole blood, plasma, serum albumin and gamma-globulin by recording chromosomal and chromatid aberrations. The antimutagenic activity was determined by preliminary, simultaneous, and subsequent
The antimutagenic effect of para-aminobenzoic acid, tocopherol, adenosine and caffeine has been studied in experiments with microorganisms, Crepis capillaris seed cells, human lymphocytes, murine bone marrow cells in vivo. The activity, of antimutagens, their nature and action range, effective