Aparato de Golgi. Figure 13-26a Molecular Biology of the Cell (© Garland Science 2008)

Aparato de Golgi

Figure 13-26a Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-26b Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-25b Molecular Biology of the Cell (© Garland Science 2008)

• Síntesis de carbohidratos.

• Clasificación y envío de productos.

Dictiosoma

Figure 13-25a Molecular Biology of the Cell (© Garland Science 2008)

(Entrada)

(Salida)

Polarización:cis-medial-trans

Figure 13-20 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-23b Molecular Biology of the Cell (© Garland Science 2008)

Ruta de biosíntesis - secreción

Figure 13-23b Molecular Biology of the Cell (© Garland Science 2008)

Figure 12-50 Molecular Biology of the Cell (© Garland Science 2008)

Glucosilación (N-oligosacárido)

Figure 13-30 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-28 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-29 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-34 Molecular Biology of the Cell (© Garland Science 2008)

Ventajas de la glicosilación:

• Protección frente a proteasas

• Flexibilidad de membrana

• Reconocimiento antigénico

Figure 13-35a Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-35b Molecular Biology of the Cell (© Garland Science 2008)

Matriz de Golgi

Science 305:48-9 (2004)

Lisosomas

Lisosomas: digestión intracelular de macromoléculas

Figure 13-36 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-37 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-38 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-3b Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-42a Molecular Biology of the Cell (© Garland Science 2008)

Figure 12-50 Molecular Biology of the Cell (© Garland Science 2008)

Glucosilación (N-oligosacárido)

Hidrolasas lisosómicas contienen Manosa-6-P

Figure 13-44 Molecular Biology of the Cell (© Garland Science 2008)

Endocitosis

Fagocitosis

Pinocitosis

Figure 13-47a Molecular Biology of the Cell (© Garland Science 2008)

100.000.000.000eritrocitos/día

Macrófagos: eliminación decélulas senescentes y apoptóticas

Figure 13-42a Molecular Biology of the Cell (© Garland Science 2008)

Pinocitosis: proceso constitutivo (reciclaje membrana)

Fagocitosis: requiere activación de receptores

Figure 13-8 Molecular Biology of the Cell (© Garland Science 2008)

Recubrimiento de Clatrina

Figure 13-48 Molecular Biology of the Cell (© Garland Science 2008)

Las vesículas de pinocitosis suelen estar recubiertas de clatrina

Figure 13-49 Molecular Biology of the Cell (© Garland Science 2008)

Algunas vesículas no están recubiertas por clatrina (caveolas)

Figure 13-50 Molecular Biology of the Cell (© Garland Science 2008)

Endocitosis mediadapor receptor:

endocitosis departículas LDL

Figure 13-51 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-53 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-52 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-56 Molecular Biology of the Cell (© Garland Science 2008)

Cuerpos multivesiculares

Figure 13-57 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-52 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-60 Molecular Biology of the Cell (© Garland Science 2008)

Figure 13-62 Molecular Biology of the Cell (© Garland Science 2008)