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  • Title: The chloroplast gene for ribosomal protein CL23 is functional in tobacco.
    Author: Yokoi F, Tanaka M, Wakasugi T, Sugiura M.
    Journal: FEBS Lett; 1991 Apr 09; 281(1-2):64-6. PubMed ID: 1707833.
    Abstract:
    Chloroplast rpl23 loci potentially coding for a polypeptide homologous to the E. coli L23 ribosomal protein are frame-shifted in spinach and several other plants, indicating that these loci are pseudogenes. In tobacco, rpl23 constitutes a continuous open reading frame of 93 codons and its transcript initiates at least 66 bp upstream from the initiation codon. The N-terminal amino acid sequence of a 13 kDa protein from the 50 S subunit of tobacco chloroplast ribosomes matches that derived from the tobacco rpl23 locus. This shows that rpl23 is a functional gene in tobacco.
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