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Rat aldolase A messenger RNA: the nucleotide sequence and multiple mRNA species with different 5'-terminal regions 总被引:2,自引:0,他引:2
The nucleotide sequence of aldolase A mRNA in rat skeletal muscle was determined using recombinant cDNA clones and a cDNA synthesized by primer extension. The sequence is composed of 1343 nucleotides (nt) except for the poly(A) tail. Based on the sequence analysis we have deduced an open reading frame with 363 amino acids (aa) (Mr 39134). The sequence suggests several nt polymorphisms in the mRNA population, one of which causes an aa change. The determined sequence of rat aldolase A mRNA was compared with the published ones of rabbit aldolase A or rat aldolase B mRNAs. The homology between rat and rabbit aldolase A mRNA sequences is greater than that between rat aldolase A and B mRNA sequences. Multiple aldolase A mRNAs having different Mrs were detected in the various tissues, and appeared to be expressed in a tissue-specific manner. Further analysis suggests that differences in mRNA length are due to differences in the 5'-noncoding terminal region. 相似文献
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Nucleotide sequence of rat liver aldolase B messenger RNA 总被引:5,自引:0,他引:5
K Tsutsumi T Mukai R Tsutsumi M Mori M Daimon T Tanaka H Yatsuki K Hori K Ishikawa 《The Journal of biological chemistry》1984,259(23):14572-14575
The nucleotide sequence of messenger RNA encoding rat liver aldolase B has been determined by sequence analysis using recombinant cDNAs cloned in bacterial plasmids. The sequence contains part of the 5'-untranslatable region (68 nucleotides), the entire coding region (1092 nucleotides), and the complete 3'-untranslatable region (387 nucleotides), excluding the poly(A) tail. A potential ribosomal-binding site is located about 30 nucleotides upstream from the initiation codon. The amino acid sequence of rat liver aldolase B is composed of 364 amino acids and has 70% homology with rabbit muscle aldolase A. 相似文献
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Zhang Z Joh K Yatsuki H Wang Y Arai Y Soejima H Higashimoto K Iwasaka T Mukai T 《Gene》2006,366(1):77-86
Human MURR1 is an orthologue of mouse Murr1 gene, which was previously reported to be imprinted only in adult brain with a maternal allele-predominant expression and to contain another imprinted gene, U2af1-rs1, in the first intron. Human MURR1 was found not to harbor the U2af1-rs1 orthologue and to be expressed biallelically in tissues, including adult brain. Three genes identified around Murr1 and their orthologues around MURR1 were expressed biallelically. These findings suggest that the mouse imprinting locus is limited to a small region and the introduction of U2af1-rs1 in mouse causes the imprinting of this locus. The CpG island (CGI) at U2af1-rs1 with maternal methylation was the only differentially methylated region among CGIs found in these loci. Detailed methylation analyses of the U2af1-rs1 CGI in germ cells led to identification of a region with oocyte-specific methylation. These results suggest that this region is the imprinting control region of the Murr1/U2af1-rs1 locus in mouse. 相似文献