A variant of metabotropic glutamate receptor subtype 5

An evolutionally conserved insertion with no termination codon

Reiko Minakami, Fujika Katsuki, Hiroyuki Sugiyama

Research output: Contribution to journalArticle

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Abstract

We herein report the presence of a variant of the rat metabotropic glutamate receptor subtype 5 (mGluR5) cDNA. In this variant, named mGluR5b, an extra 96 bp sequence is inserted into the originally reported mGluR5 cDNA. The position of this insertion corresponds to that of the 85 bp insertion reported for the alternative form of mGluR1, another subtype of the receptors (designated as mGluR1β). No sequence-similarity was found between the additional sequences of mGluR1β and the mGluR5b. While the additional sequence of the mGluR1β cDNA contains a translation termination codon in the frame, that of the mGluR5b cDNA does not. This identical 96 bp insertion was also found in a human mGluR5 cDNA clone. Northern blot analyses with the mGluR5b specific probe showed that the expression of mRNA for this species is regulated in a region-specific manner in the rat brain.

Original languageEnglish
Pages (from-to)622-627
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume194
Issue number2
DOIs
Publication statusPublished - Jul 30 1993

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Metabotropic Glutamate 5 Receptor
Metabotropic Glutamate Receptors
Terminator Codon
Complementary DNA
Rats
Northern Blotting
Brain
Clone Cells
Messenger RNA
metabotropic glutamate receptor type 1

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

A variant of metabotropic glutamate receptor subtype 5 : An evolutionally conserved insertion with no termination codon. / Minakami, Reiko; Katsuki, Fujika; Sugiyama, Hiroyuki.

In: Biochemical and Biophysical Research Communications, Vol. 194, No. 2, 30.07.1993, p. 622-627.

Research output: Contribution to journalArticle

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