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. Author manuscript; available in PMC: 2010 Feb 15.
Published in final edited form as: J Infect Dis. 2009 Aug 15;200(4):555–563. doi: 10.1086/603541

Figure 2.

Figure 2

A, Comparison of cepA transcription between invasive and non-invasive isolates. Target gene transcripts were measured as the no. of copies per 10,000 copies of the housekeeping gene gyrA, with reference to a plasmid of known copy number. Data are grouped by isolate source. Reference strain: H305, M1T1 scarlet fever isolate. Strain H292 is shown as an outlier. Invasive isolates expressed more cepA than did non-invasive isolates, (P<0.046, Mann-Whitney U test). B, Correlation between copies of cepA and copies of hasA. The expression of cepA correlated positively with the expression of hasA (r= 0.67, Spearman rank correlation; P<0.003).