Rapid and accurate identification of genomic species from the Acinetobacter baumannii (Ab) group by MALDI-TOF MS P. Espinal, H. Seifert, L. Dijkshoorn,

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Presentation transcript:

Rapid and accurate identification of genomic species from the Acinetobacter baumannii (Ab) group by MALDI-TOF MS P. Espinal, H. Seifert, L. Dijkshoorn, J. Vila, I. Roca Clinical Microbiology and Infection Volume 18, Issue 11, Pages 1097-1103 (November 2012) DOI: 10.1111/j.1469-0691.2011.03696.x Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 1 Comparison of representative A. baumannii, A. pittii and A. nosocomialis peak profiles (m/z) generated by MALDI-TOF MS. a.u., arbitrary intensity given by the software. Clinical Microbiology and Infection 2012 18, 1097-1103DOI: (10.1111/j.1469-0691.2011.03696.x) Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 2 Dendogram derived from the MALDI-TOF MS-specific signatures for all Acinetobacter spp. included within the Bruker database plus specific signatures for A. baumannii, A. pittii and A. nosocomialis created in this study. Distance values are relative and normalized to a maximal value of 1000. Clinical Microbiology and Infection 2012 18, 1097-1103DOI: (10.1111/j.1469-0691.2011.03696.x) Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 3 Dendograms derived from the ITS (a) and recA (b) sequences. GeneBank accession numbers for all reference ITS and recA sequences are included within the corresponding labelling of each taxon. The scale bar indicates a genetic distance of 0.01 and the numbers shown next to each node represent the percentage bootstrap value of 1000 replicates. Clinical Microbiology and Infection 2012 18, 1097-1103DOI: (10.1111/j.1469-0691.2011.03696.x) Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions