Keio Collection - About
About Keio Collection
Keio collection will be dispatched with kanamycin resistance cassette in each locus. This will help you to isolate the strain by the antibiotic resistance. Please excise the cassette by the recipient.

Attention!! Gene disruption was not occurred in 25 strains in the Keio collection
Attention!! Gene disruption was not occurred in 25 strains in the Keio collection, which was reported inYamamoto N et al. (2009) Mol Systems Biol, doi:10.1038/msb.2009.92.
List of the strains was following.
Undisrupted strains
We have noticed that JW2409(ptsI) strains of KEIO collection had a problem. We have replaced with correct one. (November, 2009)
non-commercial research use
Regarding Distribution of Keio collection, ASKA clones, and Gateway entry Clone libraryKeio collection, ASKA clones, and Gateway entry clone library will be available only for academic research at non-profit organizations.