Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, B3H 4H7., Nova Scotia, Canada. joanders@is.dal.ca
The first genome sequence of an intracellular bacterial symbiont of a eukaryotic cell has been determined. The Buchnera genome shares features with the genomes of both intracellular pathogenic bacteria and eukaryotic organelles, and it may represent an intermediate between the two.