| http://www.w3.org/ns/prov#value | - Some of these elements display an insertion bias toward coding regions (Flavell et al. 1992).Most of the isolated Ty1-copia retrotransposons are nonfunctional due to the presence of stop codons, frameshift mutations, or deletions, and only a few Ty1-copia retrotransposons characterized from plants have been shown to be active, such as Tnt1 and Tto1 from tobacco, the Tos elements from rice, and BAR
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