Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Antigenic Properties
Serotype O18ac:K1:H7
Product Format
freeze-dried
Storage Conditions
Frozen: -80°C or colder Freeze-Dried: 2°C to 8°C Live Culture: See Propagation Section
Preceptrol®
no
Type Strain
no
Comments
This strain contains the K1 capsular polysaccharide antigen linked to meningitis in newborn infants. It is resistant to opsonization and phagocytosis.
Medium
ATCC® Medium 18: Trypticase Soy Agar/Broth
Growth Conditions
Temperature: 37°C
Atmosphere: Aerobic
Name of Depositor
R Bortolussi
Special Collection
NCRR Contract
Year of Origin
1975
References
Bortolussi R, Ferrieri P. Protection against Escherichia coli K1 infection in newborn rats by antibody to K1 capsular polysaccharide antigen. Infect. Immun. 28: 111-117, 1980. PubMed: 6769816
Bortolussi R, et al. Capsular K1 polysaccharide of Escherichia coli: relationship to virulence in newborn rats and resistance to phagocytosis. Infect. Immun. 25: 293-298, 1979. PubMed: 383617
Bortolussi R, et al. Influence of growth temperature of Escherichia coli on K1 capsular antigen production and resistance to opsonization. Infect. Immun. 39: 1136-1141, 1983. PubMed: 6341228
