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Nucleic Acids Research, 1982, Vol. 10, No. 11 3517-3530
© 1982

MOLECULAR BIOLOGY

The sequence of the 5.8 S ribosomal RNA of the crustacean Artemia salina. With a proposal for a general secondary structure model for 5.8 S ribosomal RNA

Dominique Ursi, Antoon Vandenberghe and Rupert De Wachter

Departement Celbiologie, Universiteit Antwerpen, Universiteitsplein 1, B-2610 Wilrijk, Belgium

Received April 6, 1982. Accepted May 13, 1982.

We report the primary structure of 5.8 S rRNA from the crustacean Artemia salina. The preparation shows length heterogeneity at the 5'-terminus, but consists of uninterrupted RNA chains, in contrast to some insect 5.8 S rRNAs, which consist of two chains of unequal length separated in the gene by a short spacer. The sequence was aligned with those of 11 other 5.8 S rRNAs and a general secondary structure model derived. It has four helical regions in common with the model of Nazar et al. (J. Biol. Chem. 250, 8591–8597 (1975)), but for a fifth helix a different base pairing scheme was found preferable, and the terminal sequences are presumed to bind to 28 S rRNA instead of binding to each other. In the case of yeast, where both the 5.8 S and 26 S rRNA sequences are known, the existence of five helices in 5.8 S rRNA is shown to be compatible with a 5.8 S - 26 S rRNA interaction model.


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M. Gottschling and J. Plotner
Secondary structure models of the nuclear internal transcribed spacer regions and 5.8S rRNA in Calciodinelloideae (Peridiniaceae) and other dinoflagellates
Nucleic Acids Res., January 13, 2004; 32(1): 307 - 315.
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