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A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells. A small, subcellular membrane-bounded vesicle containing pigment and/or pigment precursor molecules. Pigment granule biogenesis is poorly understood, as pigment granules are derived from multiple sources including the endoplasmic reticulum, coated vesicles, lysosomes, and endosomes. Any small, fluid-filled, spherical organelle enclosed by a lipid bilayer. A membrane-bounded vesicle found in the cytoplasm of the cell. A vesicle formed of membrane or protein, found in the cytoplasm of a cell. A tissue-specific, membrane-bounded cytoplasmic organelle within which uric acid and/or purines crystalize in reflective stacks. Leucosomes are synthesized in leucophore cells and have a whitish cast. A tissue-specific, membrane-bounded cytoplasmic organelle within which purines crystalize in reflective stacks. Iridosomes are synthesized in iridophore cells and are silver, gold or iridescent in appearance. A tissue-specific, membrane-bounded cytoplasmic organelle within which an unknown blue pigment is localized. Cyanosomes are synthesized in cyanophores and are blue in appearance. A tissue-specific, membrane-bounded cytoplasmic organelle within which pteridine pigments are synthesized and stored. Pterinosomes are synthesized in xanthophores and erythrophore cells and are yellow, orange or red in appearance. Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: pigment granule
Acc: GO:0048770
Aspect: Cellular Component
Desc: A small, subcellular membrane-bounded vesicle containing pigment and/or pigment precursor molecules. Pigment granule biogenesis is poorly understood, as pigment granules are derived from multiple sources including the endoplasmic reticulum, coated vesicles, lysosomes, and endosomes.
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 97 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0048770 - pigment granule (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle