Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Phylogenetic tree from partial Enterobacteriaceae blaCTX-M and K1-like DNA sequences. K. pneumoniae blaCTX-M-15/28 and K. oxytoca K1/OXY-2 form distinct cluster groups, distinguishable from the K1/OXY-1 cluster, respectively. P. penneri HugA, P. vulgaris CumA and K1, C. sedlakii and C. amalonaticus form separate clades.
