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Isoform sorting and the creation of intracellular compartments.

Authors
  • Gunning, P
  • Weinberger, R
  • Jeffrey, P
  • Hardeman, E
Type
Published Article
Journal
Annual review of cell and developmental biology
Publication Date
Jan 01, 1998
Volume
14
Pages
339–372
Identifiers
PMID: 9891787
Source
Medline
License
Unknown

Abstract

The generation of isoforms via gene duplication and alternative splicing has been a valuable evolutionary tool for the creation of biological diversity. In addition to the formation of molecules with related but different functional characteristics, it is now apparent that isoforms can be segregated into different intracellular sites within the same cell. Sorting has been observed in a wide range of genes, including those encoding structural molecules, receptors, channels, enzymes, and signaling molecules. This results in the creation of intracellular compartments that (a) can be independently controlled and (b) have different functional properties. The sorting mechanisms are likely to operate at the level of both proteins and mRNAs. Isoform sorting may be an important consequence of the evolution of isoforms and is likely to have contributed to the diversity of functional properties within groups of isoforms.

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