GENOME EDITORS. “In terms of active editors of the human genome, there are about 330,000 solo LTRs each of which must have initially corresponded to an intact ERV (*10 kb) subsequently lost by deletion. This means that 3.3 gB of human DNA (current size of our genome) was once retrovirus during our evolution.” (LTR = long terminal repeats, from retroviruses; ERV = endogenous retroviruses).
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