sentence: The major GIPC types present in Arabidopsis leaf and pollen ( Luttgeharm et al ., 2015 ) also include members of Series A reported here.Sphingolipidomic analyses of WT and sbh protonemata using LC / MS / MS ( Markham & Jaworski , 2007 ) revealed striking differences in the molecular species ( pairing of LCB and FA / hFA ) of the main sphingolipid classes and in the free LCB and LCBP profiles ( Figure 5 ) .