Ecology and Evolution
Reductions in genome size and complexity are a hallmark of obligate symbioses. The mitochondrial genome displays clear examples of these reductions, with the ancestral alpha-proteobacterial genome size and gene number having been reduced by orders of magnitude in most descendent modern mitochondrial genomes. Here, we examine patterns of mitochondrial evolution specifically looking at intron size, number, and position across 58 species from 21 genera of lichenized Ascomycete fungi, representing a broad range of fungal diversity and niches. Our results show that the
Pogoda, Cloe S; Keepers, Kyle G; Nadiadi, Arif Y; Bailey, Dustin W; Lendemer, James C; Tripp, Erin A; and Kane, Nolan C, "Genome streamlining via complete loss of introns has occurred multiple times in lichenized fungal mitochondria." (2019). University Libraries Open Access Fund Supported Publications. 106.
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