The nucleotide sequences of the 5 S rRNAs of seven moids and a yeast and their use in studying ascomycete phylogeny
Open Access
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 12 (12) , 4881-4892
- https://doi.org/10.1093/nar/12.12.4881
Abstract
The sequences of the 5 S rRNAs isolated from 8 ascomycete species belonging to the genera Aspergillus, Penicillium, Acremonium and Candida are reported. Two of the examined strains each yielded a mixture of 3 slightly different 5 S RNAs, which were individually sequenced after fractionation. A previously published sequence for Aspergillus nidulans 5 S RNA was found to contain errors. Reconstruction of an evolutionary tree based on 5 S RNA sequences showed that the 16 presently examined ascomycetes form three clusters. The same threefold partition can be observed 1n the secondary structure pattern, each cluster showing a slightly different variant of the general 5-helix model for 5 S rRNA (De Wachter, Chen and Vandenberghe (1982) Biochimie 64, 311–329), and different sets of secondary structure equilibrium forms 1n helices C and E of the aforementioned model.Keywords
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