Crossref journal-article
Wiley
European Journal of Neuroscience (311)
Abstract

AbstractIn mammalian neurons a selected group of mRNAs, including the transcript encoding the alpha subunit of Ca2+/calmodulin‐dependent protein kinase II, is found in dendrites. The molecular mechanisms underlying extrasomatic RNA trafficking are not well described. It is thought that dendritic transcripts contain cis‐acting elements that direct their selective subcellular sorting. Here we report the identification of an extrasomatic targeting element in the 3′ untranslated region of the mRNA encoding the alpha subunit of Ca2+/calmodulin‐dependent protein kinase II. In primary hippocampal neurons, this 1200‐nucleotide‐spanning, cis‐acting element is sufficient to mediate dendritic localization of chimeric reporter transcripts. The trafficking signal does not share any striking sequence similarity with a previously characterized dendritic targeting element in transcripts encoding the microtubule‐associated protein 2. In dendrites of transfected primary neurons, recombinant RNAs form granules with an average diameter of 0.45 µm that may represent preferential RNA docking sites or multimolecular transport units. These findings imply that extrasomatic sorting of individual dendritic mRNAs involves at least partially distinct molecular mechanisms, as well as large trafficking complexes.

Bibliography

Blichenberg, A., Rehbein, M., Müller, R., Garner, C. C., Richter, D., & Kindler, S. (2001). Identification of a cis‐acting dendritic targeting element in the mRNA encoding the alpha subunit of Ca2+/calmodulin‐dependent protein kinase II. European Journal of Neuroscience, 13(10), 1881–1888. Portico.

Authors 6
  1. Arne Blichenberg (first)
  2. Monika Rehbein (additional)
  3. Reinhold Müller (additional)
  4. Craig C. Garner (additional)
  5. Dietmar Richter (additional)
  6. Stefan Kindler (additional)
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Dates
Type When
Created 22 years, 5 months ago (March 6, 2003, 9:35 a.m.)
Deposited 1 year, 11 months ago (Oct. 2, 2023, 7:46 p.m.)
Indexed 11 months, 3 weeks ago (Sept. 8, 2024, 8:31 p.m.)
Issued 24 years, 4 months ago (May 1, 2001)
Published 24 years, 4 months ago (May 1, 2001)
Published Online 23 years, 8 months ago (Dec. 20, 2001)
Published Print 24 years, 4 months ago (May 1, 2001)
Funders 0

None

@article{Blichenberg_2001, title={Identification of a cis‐acting dendritic targeting element in the mRNA encoding the alpha subunit of Ca2+/calmodulin‐dependent protein kinase II}, volume={13}, ISSN={1460-9568}, url={http://dx.doi.org/10.1046/j.0953-816x.2001.01565.x}, DOI={10.1046/j.0953-816x.2001.01565.x}, number={10}, journal={European Journal of Neuroscience}, publisher={Wiley}, author={Blichenberg, Arne and Rehbein, Monika and Müller, Reinhold and Garner, Craig C. and Richter, Dietmar and Kindler, Stefan}, year={2001}, month=may, pages={1881–1888} }