Subtelomeric domains are increasingly recognized as evolutionary laboratories where sequence instability and epigenetic heterogeneity converge (Anderson et al., 2015). These regions, enriched in repetitive DNA and gene families such as TLO, display elevated rates of recombination and segmental duplication, forming hotspots for adaptive gene evolution. For ERG11, residence in such a mutable landscape ensures that the gene’s coding sequence and regulatory elements are subject to accelerated diversification. This spatial proximity to telomeric repeats and recombination scaffolds allows C. albicans to rapidly explore mutational space without jeopardizing essential genomic stability—a trade-off that evolution appears to have optimized over millions of generations (Berman, 2019).

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