Summary
The gene of a cytoplasmic 18 S ribosomal RNA (18 S rDNA) of the dicotyledonous plant tomato (ycopersicon esculentum) cv. Rentita has been cloned, and its complete primary structure has been determined. The tomato 18 S rDNA is 1805 by long with a G+C content of 49.6%. Its sequence exhibits 94%–96% positional identity when it is colinearly aligned with the previously reported sequences of the 17–18 S rDNAs of the dicot soybean and the monocots maize and rice. A model of the secondary structure of the 18 S rRNA of angiosperms is presented and its genera-specific structural features are compared with a current eukaryotic 18 S rRNA consensus model.
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Schmidt-Puchta, W., Kütemeier, G., Günther, I. et al. Cloning and sequence analysis of the 18 S ribosomal RNA gene of tomato and a secondary structure model for the 18 S rRNA of angiosperms. Molec. Gen. Genet. 219, 17–25 (1989). https://doi.org/10.1007/BF00261152
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DOI: https://doi.org/10.1007/BF00261152