نتایج جستجو برای: lipooligosaccharide
تعداد نتایج: 563 فیلتر نتایج به سال:
To learn how lipooligosaccharide (LOS) phase variations affect pathogenesis, we studied two male volunteers who were challenged intraurethrally with Neisseria gonorrhoeae that make a single LOS of 3,600 daltons and sequentially followed LOS expression by gonococci as urethritis developed. LOS variation occurred in vivo. Signs and symptoms of gonorrhea began with the appearance of variants makin...
This is the first structural elucidation of the lipooligosaccharide (LOS) endotoxin isolated from Burkholderia vietnamiensis, a clinically important member of Burkholderia cepacia complex, a group of over 10 opportunistic species that are highly problematic in cystic fibrosis. We have characterized a novel LOS structure extracted from two clonal strains of B. vietnamiensis isolated from a cysti...
DNA sequence and Southern blot analyses were used to determine the genetic defect of a Haemophilus ducreyi pyocin-resistant lipooligosaccharide (LOS) mutant, HD35000R. The region of the HD35000R chromosome containing the suspected mutation was amplified, and sequence analysis detected a 3,189-bp deletion. This deletion resulted in the loss of the entire waaQ gene, another open reading frame tha...
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