Abstract
Arabinosylcytosine (araC) was found to influence the pattern of RNA labelling in early wheat embryos. Although the rate of uridine-14C incorporation into total RNA remained unchanged, specific radioactivity of an oligo(U)-containing subclass of nonpolyadenylated RNA was markedly lower (50%) in araC-treated (1.5 mM, 1 h) than in control embryos. The inhibitory effect was stronger for nuclear than for cytoplasmic subpopulation of these RNA species. h labelling of all other RNA fractions, including bulk nonpolyadenylated RNA as well as poly(A)-containing RNA of both nuclear and cytoplasmic origins, did not respond to the presence of araC.
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Tomaszewski, M. Selective inhibition by arabinosylcytosine of oligo(U)-containing RNA synthesis in germinating wheat embryos. Biol Plant 24, 326–330 (1982). https://doi.org/10.1007/BF02909097
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DOI: https://doi.org/10.1007/BF02909097