An unspliced group I intron in 23S rRNA links Chlamydiales, chloroplasts, and mitochondria.
J Bacteriol. 1999 Aug;181(16):4734-40. doi: 10.1128/JB.181.16.4734-4740.1999.
J Bacteriol. 1999.
PMID: 10438738
Free PMC article.