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Archaeal introns: splicing, intercellular mobility and evolution
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DOI：10.1016/S0968-0004(97)01113-4.png)
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摘要
En 中文
Until recently, it appeared that archaeal introns were spliced by a process specific to the archaeal domain in which an endoribonuclease cuts a 'bulge-helix-bulge' motif that forms at exon-intron junctions. Recent results, however, have shown that the endoribonuclease involved in archaeal intron splicing is a homologue of two subunits of the enzyme complex that excises eukaryotic nuclear tRNA introns. Moreover, some archaeal introns encode homing enzymes that are also encoded by group I introns.
Keyword:
ARCHAEBACTERIUM-DESULFUROCOCCUS-MOBILIS
RIBOSOMAL-RNA OPERONS
EXTREME THERMOPHILE
PYROBACULUM-ORGANOTROPHUM
HALOBACTERIUM-VOLCANII
ENDONUCLEASE
RECOGNITION
GENE
SEQUENCES
FORM
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