62. Michaels,M.L., Tchou,J., Grollman,A.P. and Miller,J.H. (2002) A repair system for 8-oxo-7,8-dihydrodeoxyguanine. Biochemistry, 31, 10964–10968. 63. Weiss,B. (2001) Endonuclease V of Escherichia coli prevents mutations from nitrosative deamination during nitrate/nitrite respiration. Mutat. Res., 461, 301–309. 64. Moe,A., Ringvoll,J., Nordstrand,L.M., Eide,L., Bjoras,M., Seeberg,E., Rognes,T. and Klungland,A. (2003) Incision at hypoxanthine residues in DNA by a mammalian homologue of the Escherichia coli antimutator enzyme endonuclease V. Nucleic Acids Res., 31, 3893–3900. 65. Truglio,J.J., Croteau,D.L., Van Houten,B. and Kisker,C. (2006) Prokaryotic nucleotide excision repair: the UvrABC system. Chem. Rev., 106, 233–252. 66. Courcelle,J. and Hanawalt,P.C. (2001) Participation of recombination proteins in rescue of arrested replication forks in UV-irradiated Escherichia coli need not involve recombination. Proc. Natl Acad. Sci. USA, 98, 8196–8202. Nucleic Acids Research, 2010, Vol. 38, No. 17 5705 67. Dillingham,M.S., Spies,M. and Kowalczykowski,S.C. (2003) RecBCD enzyme is a bipolar DNA helicase. Nature, 423, 893–897. 68. Ivancic-Bace,I., Salaj-Smic,E. and Brcic-Kostic,K. (2005) Eﬀects of recJ, recQ, and recFOR mutations on recombination in nuclease-deﬁcient recB recD double mutants of Escherichia coli. J. Bacteriol., 187, 1350–1356. 69. Agari,Y., Sakamoto,K., Tamakoshi,M., Oshima,T., Kuramitsu,S. and Shinkai,A. (2010) Transcription proﬁle of Thermus thermophilus CRISPR systems after phage infection. J. Mol. Biol., 395, 270–281. 70. Sorek,R., Kunin,V. and Hugenholtz,P. (2008) CRISPR–a widespread system that provides acquired resistance against phages in bacteria and archaea. Nat. Rev. Microbiol., 6, 181–186. 71. Waters,L.S. and Storz,G. (2009) Regulatory RNAs in bacteria. Cell, 136, 615–628. 72. McLuckey,S.A., Van Berkel,G.J. and Glish,G.L. (1992) Tandem mass spectrometry of small, multiply charged oligonucleotides. J. Am. Soc. Mass Spectrom., 3, 60–70.