TY - GEN AU - Hooper,Sean D AU - Berg,Otto G TI - Gene Import or Deletion: A Study of the Different Genes in Escherichia coli Strains K12 and O157:H7 SN - 0022-2844 PY - 2003///0508 KW - Escherichia coli KW - genetics KW - Gene Deletion KW - Gene Duplication KW - Genes, Bacterial KW - Species Specificity N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/s00239-002-2369-2 ER -