{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

L7-Endo and Exocytosis - BIO320S Lecture 7-8 Membrane...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
BIO320S - Lecture 7-8 Membrane Traffic: Exocytosis Endocytosis
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
There Are Two Basic Types of Exocytosis Alberts 13-63
Background image of page 2
Exocytosis: Constitutive and Regulated paths use v-snares and t-snares (and rabs) to regulate fusion of the vesicle with the plasma membrane. Alberts 13-66
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Regulated secretion by a Mast cell: release of heparin and histamine from regulated secretory granules Alberts 13-68
Background image of page 4
Endocytosis: 1. Phagocytosis (cell eating) 2. Pinocytosis (cell drinking) a. Macropinocytosis (actin-mediated) b. Clathrin-mediated c. Caveolin-mediated Alberts 13-2
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Caveolin-m ediated Caveolae (“little cavities”) Form from rafts on              Plasma  membrane Pinocytosis: Cavelae also bring in fluid from the plasma membrane Alberts 13-49
Background image of page 6
Pinocytosis: Clathrin vesicles bring in fluid from the plasma membrane Clathrin-m ediated Alberts 13-48
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Endocytosis accomplished by clathrin 1. Pinocytosis: uptake of liquid by in lumen of clathrin coated vesicles 2. Receptor-Mediated Endocytosis: incorporation of receptors in bilayer of clathrin coated vesicles: signal-mediated
Background image of page 8
Sorting Signals for Clathrin Coated Vesicles at the Plasma Membrane 1) A signal with a tyrosine 2) A di-leucine signal
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}