Abstract:
:Because of its ability to cause serious and fatal infections, Staphylococcus aureus remains one of the most feared microorganisms. Methicillin-resistant S. aureus (MRSA) has long been a common pathogen in healthcare facilities, but within the past decade, it has emerged as a problematic pathogen in the community setting as well. The severe consequences of infection heighten the importance of prevention. To analyze the potential applicability of a putative S. aureus polysaccharide conjugate vaccine, we tested 714 German methicillin-susceptible S. aureus (MSSA) and MRSA strains for their capsular and surface polysaccharide serotype by slide agglutination with specific antibodies (anti-T5-DT, anti-T8-DT, anti-336-rEPA). The strain serotypes were confirmed by immunodiffusion using lysostaphin-digested cell lysates. Regarding MRSA strains representing 86 unique spa types and thus covering >90% of MRSA spa types registered, 39 (45.3%) were type 5, 36 (41.9%) were type 8, and 11 (12.8%) were type 336. Of particular interest, type 336 was the second most common serotype among MRSA isolates collected from 10 different laboratories (40 isolates per site) covering university hospitals, general hospitals, and clinics throughout Germany. Type 8-positive strains were more prevalent among isolates recovered from anterior nares of patients who did not subsequently develop S. aureus bacteremia compared with those who became bacteremic with this pathogen. In conclusion, the addition of the newly described type 336 to a capsular polysaccharide-protein conjugate vaccine could extend the coverage substantially and would include virtually all MSSA and MRSA strains currently circulating in Germany.
journal_name
Diagn Microbiol Infect Disjournal_title
Diagnostic microbiology and infectious diseaseauthors
von Eiff C,Taylor KL,Mellmann A,Fattom AI,Friedrich AW,Peters G,Becker Kdoi
10.1016/j.diagmicrobio.2007.01.016subject
Has Abstractpub_date
2007-07-01 00:00:00pages
297-302issue
3eissn
0732-8893issn
1879-0070pii
S0732-8893(07)00051-Xjournal_volume
58pub_type
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