Selective localization of messenger RNA for cytoskeletal protein MAP2 in dendrites

Craig C. Garner, Richard P Tucker, Andrew Matus

Research output: Contribution to journalArticle

405 Citations (Scopus)

Abstract

For nerve cells to develop their highly polarized form, appropriate structural molecules must be targeted to either axons or dendrites. This could be achieved by the synthesis of structural proteins in the cell body and their sorting to either axons or dendrites by specific transport mechanisms. For dendrites, an alternative possibility is that proteins could be synthesized locally in the dendritic cytoplasm. This is an attractive idea because it would allow regulation of the production of structural molecules in response to local demand during dendritic development. The feasibility of dendritic protein synthesis is suggested both by the existence of dendritic polyribosomes1 and by the recent demonstration that newly synthesized RNA is transported into the dendrites of neurons differentiating in culture2. However, to date there has been no demonstration of the selective synthesis of an identified dendrite-specific protein in the dendritic cytoplasm. Here, we use in situ hybridization with specific complementary DNA probes to show that messenger RNA for the dendrite-specific microtubule-associated protein MAP2 (refs 3-5) is present in dendrites in the developing brain. By contrast the mRNA for tubulin, a protein present in both axons and dendrites4,6,7 is located exclusively in neuronal cell bodies.

Original languageEnglish (US)
Pages (from-to)674-677
Number of pages4
JournalNature
Volume336
Issue number6200
StatePublished - 1988
Externally publishedYes

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Cytoskeletal Proteins
Dendrites
Messenger RNA
Axons
Proteins
Cytoplasm
Neurons
Microtubule-Associated Proteins
DNA Probes
Tubulin
In Situ Hybridization
Complementary DNA
RNA
Brain

ASJC Scopus subject areas

  • General

Cite this

Selective localization of messenger RNA for cytoskeletal protein MAP2 in dendrites. / Garner, Craig C.; Tucker, Richard P; Matus, Andrew.

In: Nature, Vol. 336, No. 6200, 1988, p. 674-677.

Research output: Contribution to journalArticle

Garner, Craig C. ; Tucker, Richard P ; Matus, Andrew. / Selective localization of messenger RNA for cytoskeletal protein MAP2 in dendrites. In: Nature. 1988 ; Vol. 336, No. 6200. pp. 674-677.
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