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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Splice point sequence and transcripts of the intervening sequence in the mitochondrial 21S ribosomal RNA gene of yeast.

By S1 nuclease mapping we have located the intervening sequence in the large ribosomal RNA gene of Saccharomyces cerevisiae omega+ strains 570 bp from the 3' end of the rRNA gene. No intervening sequence was detected at this position in S. carlsbergensis, but the sequences of the mature 21S rRNAs of these two strains appear to be identical in this region. By comparing the DNA sequence of the region of the intervening sequence in an omega+ strain with the corresponding sequence in S. carlsbergensis, we have determined the splice points of the 21S rRNA gene. These sequences show no homology with splice points in nuclear and viral genes or with the splice points in the chloroplast 23S rRNA gene of Chlamydomonas. The external borders of the splice points have a complementary sequence in the intervening sequence. The largest transcript hybridizing with the probe of the intervening sequence has a size corresponding to that expected for an rRNA precursor still containing the intervening sequence; the smallest transcript corresponds in size to the intervening sequence itself.[1]

References

  1. Splice point sequence and transcripts of the intervening sequence in the mitochondrial 21S ribosomal RNA gene of yeast. Bos, J.L., Osinga, K.A., Van der Horst, G., Hecht, N.B., Tabak, H.F., Van Ommen, G.J., Borst, P. Cell (1980) [Pubmed]
 
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