tre1 gpcr initiates germ cell transepithelial migration by regulating e-cadherin prabhat s. kunwar,...

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Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki Fuse, and Ruth Lehmann J. Cell Biol. Volume 0(2008):1-f-12 September 2, 2008 © 2008 Kunwar et.al.

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Page 1: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin

Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki Fuse, and Ruth Lehmann

J. Cell Biol.Volume 0(2008):1-f-12

September 2, 2008

© 2008 Kunwar et.al.

Page 2: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 1. Live imaging of germ cell migration through the midgut in wild-type and tre1 mutant embryos

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.

Page 3: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 2. Gβ13f and Gγ1 act downstream of tre1 in transepithelial migration

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.

Page 4: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 3. Tre1 regulates germ cell polarization and G protein localization

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.

Page 5: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 4. DE-cadherin is required for germ cell–germ cell adhesion

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.

Page 6: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 5. tre1 regulates DE-cadherin localization in the tail of germ cells

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.

Page 7: Tre1 GPCR initiates germ cell transepithelial migration by regulating E-cadherin Prabhat S. Kunwar, Hiroko Sano, Andrew D. Renault, Vitor Barbosa, Naoyuki

Figure 6. Reduction of DE-cadherin function or adhesion between germ cells does not rescue the tre1 phenotype

Kunwar et al. J. Cell Biol. 2008:0:1-f-12

© 2008 Kunwar et.al.