. "Any process that activates or increases the frequency, rate or extent of the removal of acetyl groups from histones in centromeric DNA." . . . "positive regulation of histone deacetylation at centromere" . "activation of histone deacetylation at centromere" . "stimulation of histone deacetylation at centromere" . "up regulation of histone deacetylation at centromere" . "up-regulation of histone deacetylation at centromere" . "upregulation of histone deacetylation at centromere" . .