Reactivity of <i>F. tularensis</i> strains and mutants with 11B7 and anti-LPS MAb FB11.

<p>*high mass O-antigens absent compared to parent strain.</p>1<p>- Reacted with MAb 11B7 to high mass structure on Western blot.</p>2<p>- Reacted with MAb FB11 demonstrating O-antigen subunits.</p>