An intron-encoded protein assists RNA splicing of multiple similar introns of different bacterial genes.


Four group II introns were found in an unusually intron-rich dnaN gene (encoding the beta subunit of DNA polymerase III) of the cyanobacterium Trichodesmium erythraeum, and they have strong similarities to two introns of the RIR gene (encoding ribonucleotide reductase) of the same organism. Of these six introns, only the RIR-3 intron encodes a maturase… (More)


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