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Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell Biology July 8 2013, vol 202 p35-44

Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

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Page 1: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Direct imaging reveals stable, micrometer-scale lipid domains that

segregate proteins in live cells

Alexandre Toulmay and William A. Prinz

Journal of Cell Biology July 8 2013, vol 202 p35-44

Page 2: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

LIPID RAFTS.

Page 3: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell
Page 4: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

1:1 mixture of phosphatidyl choline and sphinglomyelin

1:1:1 mixture of phosphatidyl choline, sphingomyelin, and cholesterol

Page 5: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Saccharomyces cerevisiae: vacuole.

Page 6: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell
Page 7: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell
Page 8: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 1a

Page 9: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 1b

Page 10: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 1a

Page 11: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 1b

Page 12: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 1b

Ncr1-GFP Ivy1-GFP

Page 13: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 1c

Page 14: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 2a

Page 15: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 2b

Page 16: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. Suppl. 2b

Page 17: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 2a

Page 18: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 2b

Page 19: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 2c

Page 20: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Methyl beta cyclodextrin (MbCD).

Page 21: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 2d

Page 22: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 2E

Page 23: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 3a

Page 24: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 3b and c

Page 25: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Location of Laurdan (and Prodan) in phospholipid bilayer.

Parasassi T et al. (1998). Journal of Fluorescence vol 8 (4) p365-373.

Page 26: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Emission spectra of Laurdan with different phase states (gel vs fluid), i.e., temperature of phospholipid bilayer.

Parasassi T et al. (1998). Journal of Fluorescence vol 8 (4) p365-373.

Page 27: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Increased amount of water (black dots) around Laurdan in liquid crystalline state causes the red shift in the emission peak of fluorescence.

Sanchez SA et al. (2007). Modern Research and Educational Topics in Microscopy.

Page 28: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 3d

Page 29: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 4a

Page 30: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Suppl. Fig. 3a

Vacuoles of log Vph1-GFP cells grown in FM4-4.

Page 31: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Suppl. Fig. 3b

Vacuoles of stat Vph1-GFP cells grown in FM4-4.

Page 32: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 4b, c, and d

Page 33: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 4e

Page 34: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5a

Page 35: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5b

Page 36: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5c

Page 37: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5d

Page 38: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5e

Page 39: Direct imaging reveals stable, micrometer-scale lipid domains that segregate proteins in live cells Alexandre Toulmay and William A. Prinz Journal of Cell

Toulmay and Prinz (2013) Fig. 5e