Recombination within the upstream gene of duplicated myelin basic protein genes of myelin deficient shimld mouse results in the production of antisense RNA.

Hideyuki Okano, K. Ikenaka, K. Mikoshiba

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The myelin deficient shimld mouse is an autosomal recessive mutant, characterized by hypomyelination in the central nervous system. The expression of the myelin basic protein (MBP) gene is inhibited transcriptionally. The MBP gene is duplicated tandemly in mld, and exons 3 to 7 of the upstream copy is inverted. In the present studies, we determined the approximate position of the 5' boundary and the nucleotide sequence surrounding the 3' boundary of the inversion and found a number of sequences homologous to the switching regions of mouse immunoglobulin heavy chain gene and J regions of human T cell receptor genes. Antisense RNA complementary to exons 3 and 7, which correspond to the inverted segment, was detected by RNase protection studies. This abnormal transcript was also shown to elongate through the inverted segment to reach the transcription initiation site of the downstream gene.

Original languageEnglish
Pages (from-to)3407-3412
Number of pages6
JournalEMBO Journal
Volume7
Issue number11
Publication statusPublished - 1988 Nov
Externally publishedYes

Fingerprint

Antisense RNA
Myelin Basic Protein
Myelin Sheath
Genetic Recombination
Genes
Exons
Immunoglobulin Heavy Chain Genes
T-Cell Receptor Genes
Transcription Initiation Site
Ribonucleases
Sequence Homology
Central Nervous System
Immunoglobulin Heavy Chains
Neurology
T-Cell Antigen Receptor
Nucleotides

ASJC Scopus subject areas

  • Cell Biology

Cite this

Recombination within the upstream gene of duplicated myelin basic protein genes of myelin deficient shimld mouse results in the production of antisense RNA. / Okano, Hideyuki; Ikenaka, K.; Mikoshiba, K.

In: EMBO Journal, Vol. 7, No. 11, 11.1988, p. 3407-3412.

Research output: Contribution to journalArticle

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