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The first property is that the 3'-terminal of the tRNA primer should be complementary to the PBS on mRNA template (<a href="Ref2">Kosloff et al.</a>). The second one is that different viruses prefer specific type of tRNA primer for reverse transcription <a>(Kulpa et al.,</a><a> Kosloff et al.)</a>. What should also be noted is that for different viruses, the lengths of PBS as well as the types of tRNA primer are different. The PBS lengths and the preferred tRNA types of 3 most well-studied retroviruses are listed in Table I.<br /><br /> | The first property is that the 3'-terminal of the tRNA primer should be complementary to the PBS on mRNA template (<a href="Ref2">Kosloff et al.</a>). The second one is that different viruses prefer specific type of tRNA primer for reverse transcription <a>(Kulpa et al.,</a><a> Kosloff et al.)</a>. What should also be noted is that for different viruses, the lengths of PBS as well as the types of tRNA primer are different. The PBS lengths and the preferred tRNA types of 3 most well-studied retroviruses are listed in Table I.<br /><br /> | ||
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These discoveries serve as the theoretical basis for our tRNA primer designer. So basically, the function of our tRNA primer designer is to change the tRNA template in order to suit the basic properties of the reverse transcriptase (MMLV RT/ HIV-1 RT/ RSV RT) selected by the user as well as to replace several nucleotides (17 or 18) on 3'-terminal of the tRNA templates to match with nucleotides at the 5'-terminal of the GOI which users input. Also, to make sure that the RNA sequence is a tRNA sequence, the secondary structure should be revealed. We achieve this goal by using the similar tRNA secondary structure prediction scheme as the one implemented in the opensource software tRNAfinder <a>(Kurokawa et al.)</a>.<br /><br /> | These discoveries serve as the theoretical basis for our tRNA primer designer. So basically, the function of our tRNA primer designer is to change the tRNA template in order to suit the basic properties of the reverse transcriptase (MMLV RT/ HIV-1 RT/ RSV RT) selected by the user as well as to replace several nucleotides (17 or 18) on 3'-terminal of the tRNA templates to match with nucleotides at the 5'-terminal of the GOI which users input. Also, to make sure that the RNA sequence is a tRNA sequence, the secondary structure should be revealed. We achieve this goal by using the similar tRNA secondary structure prediction scheme as the one implemented in the opensource software tRNAfinder <a>(Kurokawa et al.)</a>.<br /><br /> |
Revision as of 06:40, 20 October 2019