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Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. Any member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid. A plastid whose main function is to synthesize and store starch. The double lipid bilayer enclosing the amyloplast and separating its contents from the rest of the cytoplasm; includes the intermembrane space. An ADPG pyrophosphorylase complex found in the amyloplast. Plant storage body for amylose and amylopectin, 1-100um in diameter, and located in amyloplasts. Also contains small amounts of enzymes, amino acids, lipids and nucleic acids. The shape of the grain varies widely amongst species, but is often spherical or disk-shaped. 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


Name: amyloplast
Acc: GO:0009501
Aspect: Cellular Component
Desc: A plastid whose main function is to synthesize and store starch.
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 2 [Search]


GO:0009501 - amyloplast (interactive image map)

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Created and Maintained by: Michael Riffle