The ceramide-activated protein phosphatase Sit4p controls lifespan, mitochondrial function and cell cycle progression by regulating hexokinase 2 phosphorylation - Barbosa, A.D.; Pereira, C.; Osorio, H.; Moradas-Ferreira, P.; Costa, V. (Cell Cycle, 2016)

Activation of the Hog1p kinase in Isc1p-deficient yeast cells is associated with mitochondrial dysfunction, oxidative stress sensitivity and premature aging - Barbosa, A.D.; Graça, J.; Mendes, V.; Chaves, S. R.; Amorim, M.A.; Mendes, M.V.; Moradas-Ferreira, P.; Côrte-Real, M.; Costa, V. (Mechanisms of Ageing and Development, 2012)

Role for Sit4p-dependent mitochondrial dysfunction in mediating the shortened chronological lifespan and oxidative stress sensitivity of Isc1p-deficient cells - Barbosa, A.D.; Osório, H.; Sims, K.J.; Almeida, T.; Alves, M.; Bielawski, J.; Amorim, M.A.; Moradas-Ferreira, P.; Hannun, Y.A.; Costa, V. (Molecular Microbiology, 2011)