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    • Keywords


      Ultra violet-irradiation; transcription; actinomycin-resistance

    • Abstract


      InPhysarum polycephalum, transcription is significantly inhibited for the whole of the ultra violet-induced, extended G2 phase. Although, there is some increase in the rate of transcription closer to the first post-irradiation mitosis, thereafter, ovrall synthesis continues to be low. Also, the plasmodia developed significant resistance to actinomycin D during this period. The resistance is both in terms of mitosis and RNA synthesis. The overall depression in transcription and the drug resistance are apparently related phenomena.

    • Author Affiliations


      P A Valsala Kumari1 Vimala R Nair (nee Devi)1

      1. Department of Zoology, Calicut University, Calicut - 673 635
    • Dates

  • Journal of Biosciences | News

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      Posted on July 25, 2019

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