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Detection of VLCFA in NGRΔacpXL and NGRΩbacA. Gas chromatograms for NGRΔacpXL (A) and NGRΩbacA (B) LPS extracts show where 27OH-C28:0 emerges and, as a loading control, where 3OH-C18:0 peaks. The relative absence of 27OH-C28:0 in NGRΔacpXL is indicated by the arrow in panel A.
