3 documents found, page 1 of 1
Striped dolphins as trace element biomonitoring tools in oceanic waters: accoun...
Monteiro, Sílvia S.; Bozzetti, Márcia; Torres, Jordi; Tavares, Ana S.; Ferreira, Marisa; Pereira, Andreia T.; Sá, Sara; Araújo, HélderIn Europe, monitoring contaminant concentrations and their effects in the marine environment is required under the Marine Strategy Framework Directive (MSFD, 2008/56/EC). The striped dolphin (Stenella coeruleoalba) is the most abundant small cetacean species in Portuguese oceanic waters, representing a potential biomonitoring tool of contaminant levels in offshore waters. Concentrations of nine trace elements w...
Trace elements in loggerhead turtles (Caretta caretta) stranded in mainland Por...
Nicolau, Lídia; Monteiro, Sílvia S.; Pereira, Andreia T.; Marçalo, Ana; Ferreira, Marisa; Torres, Jordi; Vingada, José V.; Eira, CatarinaPollution is among the most significant threats that endanger sea turtles worldwide. Waters off the Portuguese mainland are acknowledged as important feeding grounds for juvenile loggerheads. However, there is no data on trace element concentrations in marine turtles occurring in these waters. We present the first assessment of trace element concentrations in loggerhead turtles (Caretta caretta) occurring off t...
Ceramide signalling impinges on Sit4p and Hog1p to promote mitochondrial fissio...
Teixeira, Vitor; Medeiros, Tânia C.; Vilaça, Rita; Pereira, Andreia T.; Chaves, Susana Alexandra Rodrigues; Côrte-Real, Manuela; Moradas-Ferreira, PedroMitochondria function as the powerhouses of the cell for energy conversion through the oxidative phosphorylation process. Accumulation of dysfunctional mitochondria promotes a bioenergetic crisis and cell death by apoptosis. Yeast cells lacking Isc1p, an orthologue of mammalian neutral sphingomyelinase type 2, exhibit mitochondrial dysfunction and shortened lifespan associated with the accumulation of specific ...