Author Correction: CRISPR-Cas12a has both cis- and trans-cleavage activities on single-stranded DNA

by an updated figure.The labels of crRNA-DNMT-(+4) and crRNA-DNMT-23nt were placed in the wrong order, and the correct order should be "M, control, crRNA-DNMT-(-8), crRNA-DNMT-23nt, crRNA-DNMT-(+4) and crRNA-DNMT-(+8).The order of the crRNA names in the bottom illustrative figure was correct.