The emergence of blood abnormalities, an adult ability to digest milk, and changes in our physical appearance point to the continued evolution of the human race.
October 26, 2001|
Listeriosis is caused by the ingestion of pathogenic Listeria monocytogenes in contaminated food. In the October 26 Science, Glaser et al. report a comparative analysis of Listeria genomes aimed at identifying virulence genes (Science 2001, 294:849-852).They sequenced the genomes of two Listeria strains; pathogenic L. monocytogenes EGD-e and a non-virulent species L. innocua.L. monocytogenes contains a single circular chromosome of 2.9 Mb, while L. innocua has a 3 Mb chromosome and an 80 kb plas