Erratum: Human embryonic stem cell lines derived from single blastomeres

Nature 444, 481–485 (2006); doi:10.1038/nature05142 and Nature 444, 512 (2006)

The last sentence of the penultimate paragraph of this Letter should read “Notably, individual morula (8–16 cell)-stage blastomeres have not been shown to have the intrinsic capacity to generate a complete organism in most mammalian species.” (see refs 1 and 2).