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Each tRNA is aminoacylated (charged) with a genetic codon‐specific amino acid. It remains unclear what factors are associated with tRNA charging and how tRNA charging is maintained. By using the individual tRNA acylation PCR method, we found that the charging ratio of tRNAGln(CUG) reflects cellular glutamine level. When uncharged tRNAGln(CUG) increased under amino acid starvation, the kinase GCN2,...
Research on rare diseases cannot be performed without appropriate samples from patients with such diseases. Due to the limited number of such patients, securing biosamples of sufficient quality for extensive research is a challenge and represents an important barrier to the advancement of research on rare diseases. To tackle this problem, the Rare Disease Bank (RDB) was established in 2009 at the...
Genome sequence comparison between evolutionarily distant species revealed ultraconserved elements (UCEs) among mammals under strong purifying selection. Most of them were also conserved among vertebrates. Because they tend to be located in the flanking regions of developmental genes, they would have fundamental roles in creating vertebrate body plans. However, the evolutionary origin and selection...
The genetic basis of the phenotypic difference between human and chimpanzee is one of the most actively pursued issues in current genomics. Although the genomic divergence between the two species has been described, the transcriptomic divergence has not been well documented. Thus, we newly sequenced and analyzed chimpanzee full-length cDNAs (FLcDNAs) representing 87 protein-coding genes. The number...
In order to assist the progression of comparative genomics, we have developed a new web-based tool, named G-compass, for browsing and analysis of genome alignments. G-compass utilizes 829,311 pieces of genome alignments between human and mouse that were originally produced for this tool. The quality of the genome alignment set was evaluated by using several statistics. As a result, the alignment set...
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