Ancient bacteria show evidence of DNA repair.
Johnson SS, Hebsgaard MB, Christensen TR, Mastepanov M, Nielsen R, Munch K, Brand T, Gilbert MT, Zuber MT, Bunce M, Rønn R, Gilichinsky D, Froese D, Willerslev E.
Johnson SS, et al. Among authors: gilichinsky d.
Proc Natl Acad Sci U S A. 2007 Sep 4;104(36):14401-5. doi: 10.1073/pnas.0706787104. Epub 2007 Aug 29.
Proc Natl Acad Sci U S A. 2007.
PMID: 17728401
Free PMC article.