Additional file 5.

Figure S3. Absorption spectra of cell extracts of C. glutamicum WT and crt deletion strains. The extract of the strains C. glutamicum ΔcrtEb (black line) and ΔcrtY (grey line) show an additional absorption maximum at about 500 nm compared to the wild type (red line). C. glutamicum ΔcrtB (dotted line) and ΔcrtI (dashed line) show no absorption.

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Heider et al. BMC Microbiology 2012 12:198   doi:10.1186/1471-2180-12-198