The plant endoplasmic reticulum a cell-wide web

Imogen A Sparkes, Lorenzo Frigerio, Nicholas Tolley, Chris Hawes

Research output: Contribution to journalReview article (Academic Journal)peer-review

87 Citations (Scopus)

Abstract

The ER (endoplasmic reticulum) in higher plants forms a pleomorphic web of membrane tubules and small cisternae that pervade the cytoplasm, but in particular form a polygonal network at the cortex of the cell which may be anchored to the plasma membrane. The network is associated with the actin cytoskeleton and demonstrates extensive mobility, which is most likely to be dependent on myosin motors. The ER is characterized by a number of domains which may be associated with specific functions such as protein storage, or with direct interaction with other organelles such as the Golgi apparatus, peroxisomes and plastids. In the present review we discuss the nature of the network, the role of shape-forming molecules such as the recently described reticulon family of proteins and the function of some of the major domains within the ER network.

Original languageEnglish
Pages (from-to)145-55
Number of pages11
JournalBiochemical Journal
Volume423
Issue number2
DOIs
Publication statusPublished - 25 Sep 2009

Keywords

  • Amino Acid Sequence
  • Endoplasmic Reticulum
  • Intracellular Membranes
  • Models, Biological
  • Molecular Sequence Data
  • Myosins
  • Peroxisomes
  • Phylogeny
  • Plant Physiological Phenomena
  • Plants
  • Plastids
  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Review

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