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. 2006 Apr 10;173(1):107–119. doi: 10.1083/jcb.200510084

Figure 6.

Figure 6.

PM to ER sterol transport slows in PIP mutants. (A–D) Cells with conditional defects in PIP biosynthesis and an isogenic wild-type strain were grown in yeast extract/peptone/dextrose medium at 25°C and then shifted to 37°C for 1 h. 3.0 μM 14C-cholesterol was added to the medium and the amount of free and esterified 14C-cholesterol determined. (E) Cells were grown at 25°C, shifted to 37°C for 1 h, and the ACAT activity of microsomal extracts of each strain determined. Values are the mean of two determinations. Error bars indicate the SEM. n = 2.