Cellular components

Articles

• lysosomes
  24 September 2003

  Adj. lysosomal

• sarcomeres
  18 March 2004

  Sarcomeres is the smallest contractile units of striated muscle. They are the most regular macromolecular assemblies in biology, with precisely assigned localizations for their constituent proteins.
  They are complex multiple locations for several sarcomere proteins within the sarcomere and other cellular compartments such as the nucleus. Several of these proteins appear to relocalize in response to mechanical stimuli.
  Types
  skeletal myocyte sarcomere
  cardiomyocyte sarcomere (...)

• axons
  2 December 2003

  See also
  axonal guidance
  axonal transport
  References
  Baas PW, Ahmad FJ. Force generation by cytoskeletal motor proteins as a regulator of axonal elongation and retraction. Trends Cell Biol. 2001 Jun;11(6):244-9. PMID: #11356360#

• synapse
  4 December 2003

  synapses; synaptic junction WKP
  See also
  synaptogenesis
  References
  Takeichi M, Abe K. Synaptic contact dynamics controlled by cadherin and catenins. Trends Cell Biol. 2005 Apr;15(4):216-21. PMID: #15817378#
  Kim E, Sheng M. PDZ domain proteins of synapses. Nat Rev Neurosci. 2004 Oct;5(10):771-81. PMID: #15378037#
  Matteoli M, Coco S, Schenk U, Verderio C. Vesicle turnover in developing neurons: how to build a presynaptic terminal. Trends Cell Biol. 2004 Mar;14(3):133-40. PMID: (...)

• neuronal microtubules
  24 May 2005

  References
  Baas PW, Qiang L. Neuronal microtubules: when the MAP is the roadblock. Trends Cell Biol. 2005 Apr;15(4):183-7. PMID: #15817373#

• synaptic vesicles
  13 July 2003

  Synaptic vesicles store neurotransmitters that are released during calcium-regulated exocytosis. The specificity of neurotransmitter release requires the localization of both synaptic vesicles and calcium channels to the presynaptic active zone.
  References
  Matteoli M, Coco S, Schenk U, Verderio C. Vesicle turnover in developing neurons: how to build a presynaptic terminal. Trends Cell Biol. 2004 Mar;14(3):133-40. PMID: #15003622#
  Valtorta F, Meldolesi J, Fesce R. Synaptic vesicles: is (...)

• nucleolus
  4 December 2003

  The nucleolus is the dense globular mass of material within the nucleus. As the cell grows, one or more nucleoli may appear. Nucleoli are sites where the RNA subunits and ribosomes are assembled. These subunits are then shipped out of the nucleus into the cytoplasm where proteins can be synthesized and the functional ribosomes can attach to the rough ER.
  Function
  assembling ribosomal subunits is well established
  processing and modification of preribosomal RNA
  nuclear export (...)

• cytoskeleton
  13 July 2003

  Adj. cytoskeletal

• translocon
  5 May 2004

  The translocon is responsible for the translocation of proteins across the membrane of the endoplasmic reticulum into its lumen.
  References
  Guo W, Novick P. The exocyst meets the translocon: a regulatory circuit for secretion and protein synthesis? Trends Cell Biol. 2004 Feb;14(2):61-3. PMID: #15106610#

• phagolysosome
  28 June 2004

  phagosomes, secondary lysosome

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