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Tailing and 3'-end labeling of RNA with yeast poly(A) polymerase and various nucleotides.

1998; National Institutes of Health; Volume: 4; Issue: 2 Linguagem: Inglês

Georges Martín, Walter Keller,

Genomics and Chromatin Dynamics

We have tested conditions for the labeling and tailing the 3'-end of RNAs with yeast poly(A) polymerase. Conditions were optimized for addition of NTP, dNTP, or ddNTP nucleotides to RNA. ATP, GTP, and UTP were useful for adding homopolymer tracts of various lengths. The nonradioactive nucleotides biotin-N6-ATP and digoxigenin-11-UTP also were used efficiently.