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Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this study. Therefore, the distribution of M . ribeirae is restricted to the Ribeira de Iguape...
Rhodolith beds are globally distributed benthic habitats that play a key role in supporting associated faunal communities and serve as important biodiversity hotspots. Their ecological importance has been attributed to their ability to increase habitat complexity. In this context, rhodoliths are considered habitat-forming species (primary facilitator) that potentially support the establishment of further habitat providers, suc...
Mating systems, parentage, and reproductive success of beluga whales in Bristol Bay, AlaskaOA Marine
An aquatic mode of life and sociality influences mating strategies in cetaceans. In high latitude species, like the beluga whale, extreme seasonality likely imposes additional constraints on parental care, competition, and mate choice. Genetic profiling of 623 biopsy-sampled beluga whales in Bristol Bay, Alaska revealed that both sexes were polygamous, calves associated predominantly with their mothers, variation in reproducti...
The analgesic promise of seaweeds: a systematic review of preclinical and clinical evidenceOA Marine
Background Seaweeds are typically considered a part of traditional diets in several Asian countries and have recently acquired significant attention owing to the therapeutic potential of their bioactive compounds. sulfated polysaccharides, polyphenols, and proteins are the most common seaweed-derived substances with pronounced antioxidant and anti-inflammatory properties. However, the analgesic effects of these compounds have...
Deficits in cerebral blood flow (CBF) and cerebrovascular reactivity (CVR) may indicate vulnerability to vascular dysfunction and cognitive impairment. Prior findings on age-related change in CVR are mixed, and no studies to date have investigated age group differences in spontaneous CVR (sCVR) at rest. The present study compared whole brain and regional sCVR at rest between 24 healthy younger adults (ages 18–34) and 163 cogni...