Crystal structure of nonadecamethylated 6A ,6C -epithio-6A ,6C -dideoxy-ß-cyclodextrin – pentane – water (1:1:1), C61H106O33S · C5H12 · H2O
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چکیده
منابع مشابه
Differential effects of pneumococcal vaccines against serotypes 6A and 6C.
BACKGROUND Because classic pneumococcal serotyping methods cannot distinguish between serotypes 6A and 6C, the effects of pneumococcal vaccines against serotype 6C are unknown. Pneumococcal vaccines contain serotype 6B but not serotypes 6A and 6C. METHODS We used a phagocytic killing assay to estimate the immunogenicity of the 7-valent conjugate vaccine (PCV7) in children and the 23-valent po...
متن کاملSimple, accurate, serotype-specific PCR assay to differentiate Streptococcus pneumoniae serotypes 6A, 6B, and 6C.
In this study, we developed a simple, reliable, serotype-specific PCR method to differentiate Streptococcus pneumoniae serotypes 6A, 6B, and 6C. It was more efficient and practical than the assays currently being used to identify serotypes 6A, 6B, and 6C. Of 120 selected serogroup 6 isolates from subjects with invasive (n = 101) and noninvasive (n = 19) pneumococcal disease, most of which were ...
متن کامل"Dodgy 6As": differentiating pneumococcal serotype 6C from 6A by use of the Quellung reaction.
The Quellung reaction has long been the standard method for pneumococcal serotyping (7); however, the new serotype 6C is reportedly indistinguishable from serotype 6A using this method (8). We report an anomalous Quellung reaction associated with serotype 6C, which may aid in diagnostic interpretation. The 7-valent pneumococcal conjugate vaccine was introduced in Australia for indigenous and ot...
متن کاملComparison of capsular genes of Streptococcus pneumoniae serotype 6A, 6B, 6C, and 6D isolates.
Recently, Streptococcus pneumoniae serotypes 6C and 6D have been identified. It is thought that they emerged by the replacement of wciN(β) in the capsular loci of serotypes 6A and 6B, respectively. However, their evolution has not been unveiled yet. To investigate the evolution of four serotypes of S. pneumoniae serogroup 6, four genes of the capsular polysaccharide synthesis (cps) locus, wchA,...
متن کاملStreptococcus pneumoniae serotype 6D cross-reacting with serotype 6A, 6B, and 6C factor sera.
We read the papers of Bratcher and Nahm (3) and Oftadeh et al. (8) with interest. Both papers reported that Streptococcus pneumoniae serotype 6D isolates react with factor antiserum specific to serotype 6C in addition to that to 6B. Pneumococcal serotype 6C, first reported in 2007, cross-reacts serologically with serotype 6A but is differentiated by a change in the wciN gene (wciN ) among the c...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2009
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2009.224.14.275