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Efficient expression of ribozyme and reduction of stromelysin mRNA
Efficient expression of ribozyme and reduction of stromelysin mRNA

... originally developed to increase the copy number and maintain catalytic activity of ribozyme expressed inside cells (Thompson et al., 1995a). To generate ribozyme with minimal flanking sequence we chose the U6 snRNA promoter since the U6 promoter is extragenic except for the "G" at +1. We have devel ...
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The Chloroplast trnT–trnF Region in the Seed Plant
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... Pinus thunbergii (Wakasugi et al. 1994) (Fig. 1B), which has pseudogenized ndhF genes located immediately downstream from the trnT–trnF region, the region itself is conserved. Recent large-scale analyses have shown that the cistron comprised of the three tRNA genes is a uniquely shared characteristi ...
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Non-coding RNA



A non-coding RNA (ncRNA) is an RNA molecule that is not translated into a protein. Less-frequently used synonyms are non-protein-coding RNA (npcRNA), non-messenger RNA (nmRNA) and functional RNA (fRNA). The DNA sequence from which a functional non-coding RNA is transcribed is often called an RNA gene.Non-coding RNA genes include highly abundant and functionally important RNAs such as transfer RNAs (tRNAs) and ribosomal RNAs (rRNAs), as well as RNAs such as snoRNAs, microRNAs, siRNAs, snRNAs, exRNAs, and piRNAs and the long ncRNAs that include examples such as Xist and HOTAIR (see here for a more complete list of ncRNAs). The number of ncRNAs encoded within the human genome is unknown; however, recent transcriptomic and bioinformatic studies suggest the existence of thousands of ncRNAs., but see Since many of the newly identified ncRNAs have not been validated for their function, it is possible that many are non-functional. It is also likely that many ncRNAs are non functional (sometimes referred to as Junk RNA), and are the product of spurious transcription.
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