Send to

Choose Destination
Clin Microbiol Infect. 2010 Sep;16(9):1501-4. doi: 10.1111/j.1469-0691.2009.03105.x.

Prevalence of pilus-encoding islets among acute otitis media Streptococcus pneumoniae isolates from Israel.

Author information

Novartis Vaccines and Diagnostics srl, Research Center, Siena, Italy.


We evaluated the distribution of the two known Streptococcus pneumoniae pilus encoding islets (PI-1 and PI-2) among a panel of 113 acute otitis media clinical isolates from Israel. PI-1 was present in 30.1% (n = 34) of the isolates tested, and PI-2 was present in 7% (n = 8). In addition, we found that: (i) the PI positive isolates, 50% of which belong to the international clones Spain(9V)-3 (ST156) and Taiwan(19F)-14 (ST236), correlate with the genotype (as determined by multilocus sequence typing) but not with the serotype; (ii) PI-2 was not present in the absence of Pl-1; and (iii) the frequency of PI-1 was higher among antibiotic-resistant isolates.

[Indexed for MEDLINE]
Free full text

Supplemental Content

Full text links

Icon for Elsevier Science
Loading ...
Support Center