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Freshwater ecosystems are polluted in a similar way to marine ecosystems in many ways, according to some studies; however, there are still many holes to be filled in this area. Plastics were consumed by carnivore fishes in a Neotropical floodplain and whether it was related to seasonality. We also looked at the correlation between each type of plastic and the fish species. We analyzed the digestive contents of 23 species of intestinal bacteria and determined the presence and number of plastic particles. To determine the relationship between each type of plastic and the fish species, we conducted a correspondence analysis with plastic samples. Plastics ingested with seasonality were also analyzed by linear regression models to determine the correlations of occurrence and number of plastics ingested with seasonality. Plastics had a positive experience during the wet season, although the number did not indicate a significant connection with any season.
Source link: https://europepmc.org/article/MED/36622599
Although primate and rodent polyomaviruses are well-studied, no information is available about polyomaviruses that infect other animals. Six novel polyomavirus genomes were found in a viral metagenomic scheme. They included a putative rabbit polyomavirus from a bobcat fecal sample as well as two potential deer-trophic polyomaviruses from Canada lynx feces. One polyomavirus isolated in a grizzly bear sample was found to be phylogenetically distant from previously identified polyomaviruses. The grizzly bear fecal sample revealed anelloviruses that are known to infect pigs, indicating that the bear may have preyed on a wild or domestic pig. Interestingly, a polyomavirus genome isolated in a puma fecal sample was found to be closely related both to raccoon polyomavirus 1 and Lyon-IARC polyoma virus, the latter of which was first detected in human saliva and skin swab samples, but has since been discovered in samples from domestic cats.
Source link: https://europepmc.org/article/MED/36593361
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