Ectopic transposition of a group II intron in natural bacterial populations.

doi:10.1046/j.1365-2958.2001.02540.x

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Article

Ectopic transposition of a group II intron in natural bacterial populations.

Molecular microbiology - 1 Aug 2001

Muñoz E, Villadas P J, Toro N

Abstract excerpt

Self-splicing group II introns are thought to be the evolutionary progenitors of eukaryotic spliceosomal introns. The invasion of novel (ectopic) sites by group II introns is considered to be a key mechanism by which spliceosomal introns may have become widely dispersed. However, the dynamics of these events in populations are unknown. In bacteria, only two group II introns have been shown to splice and to be...

Topics

DNA Transposable Elements
DNA, Bacterial
Gene Order
Genes, Bacterial
Genetic Variation
Genome, Bacterial
Introns
Molecular Sequence Data
Polymerase Chain Reaction
Polymorphism, Restriction Fragment Length
Recombination, Genetic
Sinorhizobium meliloti

Source

Open in PubMed

Identifiers

PMID: 11532132
DOI: 10.1046/j.1365-2958.2001.02540.x

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