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  • Title: Repair of single-strand DNA breaks and recovery of chromosomal and chromatid aberrations after treatment of plant seeds with propyl methanesulfonate in vivo.
    Author: Soyfer VN, Krausse GV, Pokrovskaya AA, Yakovleva NI.
    Journal: Mutat Res; 1977 Jan; 42(1):51-63. PubMed ID: 191748.
    Abstract:
    Repair of single-strand breaks of DNA and simultaneous recovery of chromosomal aberrations were studied after treatment of barley seeds with the monofunctional alkylating chemical mutagen, propyl methanesulfonate in vivo. In soaked seeds the diminution of single-strand breaks of DNA induced by PMS was correlated with the decrease of chromosomal aberrations, whereas in dried seeds the repair of DNA breaks was depressed and, in accord with this, the frequency of chromosomal aberrations increased. The prolonged storage of seeds led to a more delayed repair of chromosomal aberrations in dry seeds and a more delayed accelerated repair in soaked seeds.
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