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Peroxisomas.

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Presentation on theme: "Peroxisomas."— Presentation transcript:

1 Peroxisomas

2 Page 721 Molecular Biology of the Cell (© Garland Science 2008)

3

4 Generan H2O2 (oxidación) y destruyen el exceso (catalasa)
RH2 + O2 → R + H2O2 R’H2 + H2O2 → R’+2H20 2 H2O2→2 H2O+ O2

5 → Beta oxidación CH3- CH- CH2- CH2- CH2- CH2- CH2- CH2- CH2-C~SCoA

6 Plasmalógeno Figure Molecular Biology of the Cell (© Garland Science 2008)

7 Secuencia de importación: Ser-Lys-Leu (C-term)
Peroxinas

8 Figure 12-33 Molecular Biology of the Cell (© Garland Science 2008)

9 Retículo Endoplasmático

10 Figure 12-4a Molecular Biology of the Cell (© Garland Science 2008)

11

12 Figure 12-36c Molecular Biology of the Cell (© Garland Science 2008)

13

14 Figure 12-35 Molecular Biology of the Cell (© Garland Science 2008)

15 Figure 12-36b Molecular Biology of the Cell (© Garland Science 2008)

16 Figure 16-77a Molecular Biology of the Cell (© Garland Science 2008)

17

18 Figure 12-37b Molecular Biology of the Cell (© Garland Science 2008)

19 Péptido señal Receptor de translocación

20 Figure 12-38 Molecular Biology of the Cell (© Garland Science 2008)

21 Figure 12-39b Molecular Biology of the Cell (© Garland Science 2008)

22 Figure 12-40 Molecular Biology of the Cell (© Garland Science 2008)

23 Figure 12-41a Molecular Biology of the Cell (© Garland Science 2008)

24 Soluble Transmembrana
Figure Molecular Biology of the Cell (© Garland Science 2008)

25 Figure 12-45 Molecular Biology of the Cell (© Garland Science 2008)

26 Paso único Figure Molecular Biology of the Cell (© Garland Science 2008)

27 Figure 12-47 (part 1 of 2) Molecular Biology of the Cell (© Garland Science 2008)

28 Figure 12-47 (part 2 of 2) Molecular Biology of the Cell (© Garland Science 2008)

29 Doble paso Figure Molecular Biology of the Cell (© Garland Science 2008)

30 Proteínas residentes en el RE
Poseen señal de retención Proteína disulfuro isomerasa, Chaperona BIP Figure Molecular Biology of the Cell (© Garland Science 2008)

31 Anclaje glicosilfosfatidilinositol (GPI)
Figure Molecular Biology of the Cell (© Garland Science 2008)

32 Glucosilación (N-oligosacárido)
Figure Molecular Biology of the Cell (© Garland Science 2008)

33 Figure 12-51 Molecular Biology of the Cell (© Garland Science 2008)

34 Calnexina Calreticulina
Figure Molecular Biology of the Cell (© Garland Science 2008)

35 Glucosilación (N-oligosacárido)
Figure Molecular Biology of the Cell (© Garland Science 2008)

36 Exportación de proteínas mal plegadas
Figure Molecular Biology of the Cell (© Garland Science 2008)

37 Figure 12-55a Molecular Biology of the Cell (© Garland Science 2008)

38 Figure 12-55b Molecular Biology of the Cell (© Garland Science 2008)

39 Síntesis de membrana en RE
Figure Molecular Biology of the Cell (© Garland Science 2008)

40 Síntesis de fosfatidilcolina en el RE (cara citosólica)
Figure Molecular Biology of the Cell (© Garland Science 2008)

41 Figure 12-58 Molecular Biology of the Cell (© Garland Science 2008)


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