Figure 4. Sums of different lipids classes in B. pseudotriquetrum cultivated at 25 ℃ (light blue), B. pseudotriquetrum cultivated at 10 ℃ (dark blue), P. patens cultivated at 25 ℃ (light green), P. patens cultivated at 10 ℃ (dark green). T-test was performed to calculate the significant differences (-: p>0.05, *: p<=0.05, **: p<=0.01, ***: p<=0.001) and error bars indicate the standard deviation of three replicates. PC, phosphatidylcholine; PE, phosphatidylethanolamine; PG, phosphatidylglycerol; PI, phosphatidylinositol; PA, phosphatidic acid; MGDG, monogalactosyldiacylglycerol; DGDG, digalactosyldiacylglycerol; SQDG, sulfoquinovosyldiacylglycerol. DG, diglyceride; TG, triglyceride; Cer, ceramides; PMeOH, phosphatidylmethanol; LPC, lysophosphatidylcholine; SL, sulfonolipid. The quantification of lipids were calculated by using internal standards representing each lipid classes with a few exceptions, PA,was normalized by Cer 18:1;2O/16:0(d7) , and MGDG, DGDG, and SQDG were normalized by DGTS d9.