Figure 1. Analyses of glycerolipids and glycerophospholipids extracted from D. tertiolecta by direct infusion into electrospray ionization-tandem mass spectrometry (ESI-MS/MS) in both the (A) positive- and (B) negative-ion modes.

DGTS, diacylglyceryltrimethylhomoserine; MGDG, monogalactosyldiacylglycerol; DGDG, digalactosyldiacylglycerol; SQDG, sulfoquinovosyldiacylglycerol; PG, phosphatidylglycerol; PI, phosphatidylinositol. m/z, mass-to-charge ratio. NL, normalized intensity level.