Fungi - Candida albicans - Research News, Data, Publications & Aproaches - ERG11 Mutations - Telomeres - Nuclear Biology & Nuclear Chemistry Aproaches - Non-Elaborate Posts - Post 3

 The ERG11 locus resides near the telomere of chromosome 5R, a genomic territory renowned for its heterochromatic features and transcriptional plasticity. Subtelomeric regions in C. albicans are densely populated by TLO gene clusters, repeat elements, and silencing regulators such as Sir2p and Rap1p, which collectively sculpt a chromatin environment of reduced accessibility. This heterochromatic bias, often reinforced by histone H3 lysine 9 methylation (H3K9me3) and histone deacetylation, renders ERG11 sensitive to spatial reorganization within the nucleus. The telomeric proximity thus governs its mutational behavior and transcriptional flexibility, particularly under antifungal stress, where chromatin decondensation and telomere loop dynamics alter its expression potential.

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