Molecular Evolution of the mtDNA Encoded <Emphasis Type="Italic">rps3</Emphasis> Gene Among Filamentous Ascomycetes Fungi with an Emphasis on the Ophiostomatoid Fungi |
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Authors: | Jyothi Sethuraman Anna Majer Mahmood Iranpour Georg Hausner |
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Institution: | (1) Department of Microbiology, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada; |
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Abstract: | The mitochondrial ribosomal protein S3 (rps3) gene within the fungi is extremely diverse in location and organization, some versions of this gene have been incorporated
into a group I intron, others appear to have gained large insertions, microsatellite expansions, or have been invaded by homing
endonucleases. Among the ascomycetes fungi the group I intron encoded version of rps3 appears to have a rather complex evolutionary history including first the acquisition of rps3 by a group I intron (mL2449), the loss of the mL2499 intron and the establishment of rps3 as a free-standing gene, and the eventual loss of the intron derived version of rps3. |
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