منابع مشابه
Exocytosis and endocytosis
Exocytosis is a general term used to denote vesicle fusion at the plasma membrane, and it is the final step in the secretory pathway that typically begins in the endoplasmic reticulum (ER), passes through the Golgi apparatus, and ends at the outside of the cell. Endocytosis refers to the recovery of vesicles from the plasma membrane. Exocytotic vesicle fusion involves the coalescence of vesicle...
متن کاملSensing Exocytosis and Triggering Endocytosis at Synapses: Synaptic Vesicle Exocytosis–Endocytosis Coupling
The intact synaptic structure is critical for information processing in neural circuits. During synaptic transmission, rapid vesicle exocytosis increases the size of never terminals and endocytosis counteracts the increase. Accumulating evidence suggests that SV exocytosis and endocytosis are tightly connected in time and space during SV recycling, and this process is essential for synaptic fun...
متن کاملAutophagy Proteins in Phagocyte Endocytosis and Exocytosis
Autophagy was initially described as a catabolic pathway that recycles nutrients of cytoplasmic constituents after lysosomal degradation during starvation. Since the immune system monitors products of lysosomal degradation via major histocompatibility complex (MHC) class II restricted antigen presentation, autophagy was found to process intracellular antigens for display on MHC class II molecul...
متن کاملEndocytosis puts exocytosis in pole position
E xocytosis and endocytosis are the yin and yang of cellular transportation. By limiting where exocytosis can occur, endocytosis might help yeast cells polarize, Jose et al. reveal (1). The pole of a budding yeast cell is where the bud sprouts when the organism reproduces asexually. Like other eukaryotes, yeast cells polarize with help from the Rho GTPase Cdc42, which amasses at the site of the...
متن کاملExocytosis and endocytosis in the thyroid follicle cell.
The thyroid gland stores the iodinated thyroid hormones in a secluded part of the extracellular space, the follicle lumen. The thyroid hormones are formed and stored as a part of 19s thyroglobulin (Tg), which is the main protein component of the colloid filling the follicle lumen (Smeds, 1972). Tg has a molecular weight of about 670 000, and a carbohydrate content of about 10% @delhoch and Salv...
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ژورنال
عنوان ژورنال: The Plant Cell
سال: 1999
ISSN: 1040-4651,1532-298X
DOI: 10.1105/tpc.11.4.643