TABLE 1.
Characterization of H. pylori NCTC 11637 LPS mutants and variants
Strain | ELISA
reactivity with MAbsa
|
|||
---|---|---|---|---|
Anti-Lewis y | Anti-Lewis x | Anti-H type 1 | Anti-i | |
NCTC 11637 | + | +++ | +++ | − |
Mutants | ||||
B1.5 | ++ | − | + | − |
B2.1 | ++ | − | + | − |
K1.4 | − | − | + | + |
K2.1 | − | − | ++ | ++ |
K3.1 | − | − | ++ | ++ |
D1.1b | − | − | − | +c |
Variants | ||||
K4.1 | − | − | + | ++ |
K5.1 | − | ++ | ++ | − |
B3.1 | +++ | − | ++ | − |
1b | +++ | − | + | − |
1c | +++ | +++ | ++ | − |
2a | + | +++ | +++ | − |
2b | + | +++ | ++ | − |
3c | + | +++ | ++ | − |
3a | − | +++ | +d | − |
−, optical density (OD) < 0.3; +, 0.3 < OD < 1.3; ++, 1.3 < OD < 2.3; +++, OD > 2.3.
D1.1 was isolated as an anti-H type 1-negative variant of the K3.1 mutant.
OD < 0.35.
OD < 0.8.