Publications by authors named "M G Semedo"
Microbial communities are crucial for important ecosystem functions in the open ocean, such as primary production and nutrient cycling. However, few studies have addressed the distribution of microplankton communities in the remote oligotrophic region of the Pacific Ocean. Moreover, the biogeochemical and physical drivers of microbial community structure are not fully understood in these areas.
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- Recirculating aquaculture systems (RAS) require effective management of microbial communities, as the health of fish like sole depends on stable relationships with key microorganisms throughout their life stages.
- The study investigates how much of the sole's microbiome comes from the egg stage versus being acquired later, analyzing various tissues from 2 days before hatching up to 146 days post-hatching to identify inherited and acquired microbial communities.
- Results indicate that while only a few genera are inherited from the egg stage, some potentially beneficial and harmful bacteria are present from the beginning, with many others acquired during different life stages, emphasizing the need for comprehensive life cycle studies in aquaculture.
Article Synopsis
- Deep-sea mining can release metals into the seabed, potentially disrupting microbial ecosystems crucial for functions like greenhouse gas regulation.
- A study focused on the deep-sea bacteria Shewanella loihica PV-4 found that exposure to cadmium (Cd) significantly reduced its production of N2O, a potent greenhouse gas.
- The inhibition of N2O production was linked to decreased expression of key genes involved in nitrogen cycling, suggesting that other deep-sea bacteria might also be affected, warranting further research into diverse communities and varying conditions.
Article Synopsis
- * A new bioinformatic workflow was developed to analyze metatranscriptomic data, allowing for more comprehensive detection of pathogens in wastewater samples.
- * The proposed method shows increased speed, accuracy, and sensitivity compared to existing workflows, making it a valuable tool for enhancing current wastewater monitoring programs for human pathogens.
Climate changes with global warming associated with rising atmospheric [CO] can strongly impact crop performance, including coffee, which is one of the most world's traded agricultural commodities. Therefore, it is of utmost importance to understand the mechanisms of heat tolerance and the potential role of elevated air CO (eCO) in the coffee plant response, particularly regarding the antioxidant and other protective mechanisms, which are crucial for coffee plant acclimation. For that, plants of cv.
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