RNase H2-Deficient Plants Accumulate rNMPs in DNA.
(A) Alkaline cleavage products of genomic DNA extracted from 7-d-old wild-type (Col-0), wee1-1, trd1-2, and trd1-2 wee1-1 seedlings grown under control conditions or in the presence of 0.75 mM HU.
(B) Densitometry plot of lanes in (A).