Fig. 4

Transcript levels of GALT1 (At1g26810) and FUT13 (At1g71990) in trichomes isolated from rosette leaves of WT A. thaliana plants of Col-0 or Ler-0 ecotype compared to corresponding gene expression levels in complete rosette leaves of WT A. thaliana plants of Col-0 or Ler-0 ecotype or of GLABRA1 A. thaliana plants. Transcript levels were determined in 3-, 4- and 5-week-old plants by qRT-PCR analyses of two independent biological experiments, each with two technical replicates; error bars ± SE. Asterisks indicate statistically significant differential expression compared to control samples (complete rosette leaf material). a-b, Relative gene expression levels of GALT1 (a) and FUT13 (b) in the trichomes of WT A. thaliana Col-0 plants compared to complete rosette leaves from WT A. thaliana Col-0 plants. c-d, Relative gene expression levels of GALT1 (c) and FUT13 (d) in the trichomes of WT A. thaliana Ler-0 plants compared to complete rosette leaves of WT A. thaliana Ler-0 plants or compared to complete rosette leaves of GLABRA1 A. thaliana plants as well as in complete rosette leaves of WT A. thaliana Ler-0 plants compared to complete rosette leaves of GLABRA1 plants. e-f, Comparison of gene expression levels of GALT1 (e) and FUT13 (f) in the trichomes and in complete rosette leaves of WT A. thaliana Col-0 plants compared to WT A. thaliana Ler-0 plants