PNKP and Fanconi anemia: The ‘DNA repair’ genes included those in DNA mismatch repair (Msh6, Pms2), nonhomologous end joining and possibly other repair pathways (Pnkp), nucleotide excision repair and DNA double-strand break repair (Ercc1), Fanconi anemia-associated DNA damage response network (C17orf70, Fancg), and protection of telomeres (Rif1, Terf1, Tinf2).