Publications by authors named "Fosca Pedini Pereira Leite"
The effects of ocean warming and elevated CO on the feeding behavior and physiology of two sympatric mesograzers.
Comp Biochem Physiol A Mol Integr Physiol
February 2025
Atmospheric CO concentrations have increased significantly since pre-industrial times, leading to ocean warming and acidification. These environmental changes affect the physiology of marine organisms as they modify metabolic processes. Despite the critical role of temperature and pH in marine biology, studies of their combined effects are limited.
View Article and Find Full Text PDFArticle Synopsis
- Researchers studied the brown alga Sargassum furcatum and three families of amphipods in the São Sebastião Channel, Brazil, to see if they could indicate petroleum hydrocarbon pollution.
- They found that while the natural substances of the algae and amphipods made up most of the n-alkanes present, some signs of petroleum were evident, including uncharacteristic n-alkane patterns.
- Total polycyclic aromatic hydrocarbons (PAHs) in samples ranged from 33.4 to 2010 ng/g, with low molecular weight PAHs like naphthalene predominating, suggesting the algae and amphipods are effective indicators of petroleum input, even at low concentrations.
Ultrastructural analyses of bivalve spermatozoa are relevant in studies that aim to identify taxonomic traits for the purposes of discriminating species and conducting phylogenetic studies. In the present work, spermatozoa of mussel specimens of the genus Mytella, collected from two populations living in distinct habitats, were examined by electron microscopy. The objective was to identify sperm ultrastructural taxonomic traits that could be used to differentiate Mytella species.
View Article and Find Full Text PDF