Evolution of Small Group I Introns in Phialophora Species
Author Information
Author(s): Harris Lorena B, Rogers Scott O
Primary Institution: Bowling Green State University
Hypothesis
How do small putative group I introns evolve in the SSU rRNA gene locus of Phialophora species?
Conclusion
The small putative group I introns in Phialophora have common features that may represent group I introns at their minima and appear to have a single origin.
Supporting Evidence
- Eight small putative group I introns were identified in the rRNA small subunit genes of Phialophora isolates.
- Phylogenetic analysis indicated that the eight introns are monophyletic.
- All introns contain common pairing regions characteristic of group I introns.
Takeaway
This study looked at tiny pieces of DNA called introns in some fungi and found they all came from the same ancestor and have similar structures.
Methodology
The study involved comparing eight small putative group I introns from different isolates of Phialophora species using PCR, sequencing, and phylogenetic analysis.
Limitations
The study does not address the functional implications of the introns in the host organisms.
Participant Demographics
Isolates were obtained from various plant and human sources.
Digital Object Identifier (DOI)
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