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. 1987;11(5):347-52.
doi: 10.1007/BF00378176.

An intron in the 23S rRNA gene of the Chlorella chloroplasts: complete nucleotide sequence of the 23S rRNA gene

T Yamada  1 , M Shimaji
Affiliations

An intron in the 23S rRNA gene of the Chlorella chloroplasts: complete nucleotide sequence of the 23S rRNA gene

T Yamada et al. Curr Genet. 1987.

Abstract

A 243 bp intron was found within the 23S rRNA gene of the unicellular green alga Chlorella ellipsoidea. This intron is A+T-rich (63.7%) compared with the 23S rRNA (50.5%) and is located in domain II of the 23S rRNA. In contrast to rRNA introns so far known, this intron is considerably small and does not possess features of group I introns in spite of its possible folded secondary structure; this is a new type rRNA intron. The complete nucleotide sequence of the 23S rRNA gene (2,965 bp) was also compared with that of tobacco chloroplasts and E. coli.

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