Molecular cloning and characterization of Xenopus RGS5

Osamu Saitoh, Megumi Odagiri, Ikuo Masuho, Satoshi Nomoto, Noriyuki Kinoshita

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We identified six genes that encode putative RGS proteins (XRGSI-VI) in developing Xenopus embryos using PCR amplification with degenerate primers corresponding to the conserved region (RGS domain) of known RGS proteins. RT-PCR analysis revealed that mRNAs of these XRGSs are differentially expressed during embryogenesis. At stage 1, only XRGSII mRNA was detected. On the other hand, expression of XRGSVI mRNA increased apparently at stage 14 and expression of three of other XRGS (III, IV,V) elevated between stage 25 and 40. To further characterize XRGS proteins expressed in Xenopus embryos, we isolated a cDNA clone for XRGSIII. Based on determined nucleotide sequence, XRGSIII was considered as a Xenopus homologue of mammalian RGS5 (XRGS5). Genetic analysis using the pheromone response halo assay showed that expression of XRGS5 inhibits yeast response to α-factor, suggesting that XRGS5 negatively regulates the G-protein-mediated signaling pathway in developing Xenopus embryos. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)34-39
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume270
Issue number1
DOIs
Publication statusPublished - Apr 2 2000

Fingerprint

Cloning
Molecular Cloning
Xenopus
RGS Proteins
Messenger RNA
Embryonic Structures
Pheromones
GTP-Binding Proteins
Polymerase Chain Reaction
Yeast
Amplification
Assays
Nucleotides
Complementary DNA
Genes
Embryonic Development
Clone Cells
Yeasts
Proteins

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Molecular cloning and characterization of Xenopus RGS5. / Saitoh, Osamu; Odagiri, Megumi; Masuho, Ikuo; Nomoto, Satoshi; Kinoshita, Noriyuki.

In: Biochemical and Biophysical Research Communications, Vol. 270, No. 1, 02.04.2000, p. 34-39.

Research output: Contribution to journalArticle

Saitoh, O, Odagiri, M, Masuho, I, Nomoto, S & Kinoshita, N 2000, 'Molecular cloning and characterization of Xenopus RGS5', Biochemical and Biophysical Research Communications, vol. 270, no. 1, pp. 34-39. https://doi.org/10.1006/bbrc.2000.2379
Saitoh, Osamu ; Odagiri, Megumi ; Masuho, Ikuo ; Nomoto, Satoshi ; Kinoshita, Noriyuki. / Molecular cloning and characterization of Xenopus RGS5. In: Biochemical and Biophysical Research Communications. 2000 ; Vol. 270, No. 1. pp. 34-39.
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