PMID: 7024917Jul 24, 1981Paper

Is wheat mitochondrial 5S ribosomal RNA prokaryotic in nature?

Nucleic Acids Research
M W Gray, D F Spencer

Abstract

Küntzel et al. (1981) (Nucleic Acids Res. 9, 1451-1461) recently concluded that the sequence of wheat mitochondrial 5S rRNA is significantly more related to prokaryotic than to eukaryotic 5S rRNA sequences, and displays an especially high affinity to that of the thermophilic Gram-negative bacterium, Thermus aquaticus. However, the sequence on which this conclusion was based, although attributed to us, differs in several places from the one determined by us. We show here that the correct sequence (Spencer, D.F., Bonen, L. and Gray, M.W. (1981) Biochemistry, in press) does not support the conclusions of Küntzel et al. about potential secondary structure in wheat mitochondrial 5S rRNA and its phylogenetic significance. We further show that when the wheat mitochondrial 5S rRNA sequence is matched against published alignments for E. coli, T. aquaticus, and wheat cytosol 5S rRNAs, the mitochondrial sequence shows no greater homology to the T. aquaticus sequence than to the E. coli sequence, and only slightly more homology to these two sequences than to wheat cytosol 5S rRNA. This analysis confirms our original view (Biochemistry, in press) that wheat mitochondrial 5S rRNA is neither obviously prokaryotic nor eukaryotic in nature, but...Continue Reading

References

Jan 1, 1979·Proceedings of the National Academy of Sciences of the United States of America·H Hori, S Osawa
Aug 7, 1975·Nature·G E Fox, C R Woese
Oct 15, 1976·FEBS Letters·R S CunninghamM W Gray
Mar 1, 1977·Nucleic Acids Research·L BonenW F Doolittle
May 7, 1976·Molecular & General Genetics : MGG·H Hori
Oct 3, 1975·Journal of Molecular Evolution·G E Fox, C R Woese
Aug 12, 1967·Nature·G G BrownleeB G Barrell
Jan 1, 1981·Annals of the New York Academy of Sciences·F R Whatley
Mar 25, 1981·Nucleic Acids Research·H KüntzelB Piechulla
Apr 1, 1981·Proceedings of the National Academy of Sciences of the United States of America·K R Luehrsen, G E Fox

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Citations

Jan 1, 1987·Journal of Molecular Evolution·R Mikelsaar
Mar 1, 1982·Microbiological Reviews·M W Gray, W F Doolittle

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