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Type 1 fimbrial production by SL1344 deletion mutants
| Strain | Agglutinationa | MHSAb |
|---|---|---|
| WTc SL3144 | +++ (800) | +++ |
| SL3144ΔfimA | − | N/D |
| SL1344fimA::TT | − | N/D |
| SL3144ΔfimI | +++ (6,400) | +++ |
| SL3144ΔfimH | − | − |
| SL3144ΔfimF | − | − |
| SL3144ΔfimHF | − | − |
+++, visible agglutination after 60 s; −, no detectable agglutination after 5 min. Numbers in parentheses are titers of reactivity with anti-FimA serum.
MSHA, mannose-sensitive agglutination of guinea pig erythrocytes; N/D, not done.
WT, wild type.
