Fungi - Candida albicans - Research News, Data, Publications & Aproaches - ERG11 Mutations - Telomeres - Sub-Telomeric Structures - Chromatin Landscape - Nuclear Biology & Nuclear Chemistry Aproaches - Mystery of ERG11 within the Nuclear Landscape - Non-Elaborate Posts - Post 2


Subtelomeric domains are genomic frontiers: rich in repetitive sequences, poor in gene density, and prone to epigenetic modulation. The presence of an essential gene like ERG11 in such a context constitutes an evolutionary paradox. While telomeric proximity typically imposes transcriptional repression through histone H3K9 methylation and Sir2-dependent deacetylation, ERG11 must maintain expression to sustain ergosterol flux. The resolution of this paradox appears to rest on dynamic chromatin remodeling and nuclear repositioning mechanisms that periodically lift heterochromatic barriers. In this way, subtelomeric plasticity becomes an instrument of conditional expression rather than a constraint, permitting C. albicans to fine-tune its lipid metabolism under antifungal or oxidative duress.

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Fungi - Candida auris - Non-Elaborate Posts - Post 2

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