Alteration of lipopolysaccharide O antigen leads to avirulence of gut-colonizing Serratia marcescens
Junbeom Lee,
Jong Uk Kim,
Bok Luel Lee
et al.
Abstract:The reason why the potent entomopathogen Serratia marcescens fails to kill insects through oral infection is unknown. To compare effects of septic injection and oral administration of S. marcescens, we used a model bean bug, Riptortus pedestris. Most R. pedestris insects survived oral infections, but not septic infections. Although the number of S. marcescens cells in hemolymph after oral infection, which were originated from gut-colonizing S. marcescens, was higher than the fatal number of cells used in septi… Show more
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