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61,005 resultsShowing papers similar to Epimicrobiome Shifts With Bleaching Disease Progression in the Brown Seaweed Saccharina japonica
ClearTemporal covariation of epibacterial community and surface metabolome in the Mediterranean seaweed holobiont Taonia atomaria
This study tracked how the microbial community and chemical compounds on the surface of a Mediterranean seaweed changed across seasons over a year. While focused on seaweed biology, the findings are relevant to understanding how natural organic matter interacts with marine microplastics.
Monitoring Bacterial Community Dynamics in Abalone (Haliotis discus hannai) and the Correlations Associated with Aquatic Diseases
This study profiled bacterial communities in abalone intestines and surrounding aquaculture waters over multiple months using 16S rRNA pyrosequencing, finding that intestinal microbiota had lower diversity than surrounding seawater. During months when abalones were most susceptible to disease, Mycoplasma spp. dominated the intestinal microbiome.
Spatiotemporal changes of bacterial communities during a cyanobacterial bloom in a subtropical water source reservoir ecosystem in China
Researchers used DNA sequencing to track how bacterial communities in a Chinese reservoir changed during different phases of a cyanobacterial (harmful algae) bloom, finding that bacterial diversity dropped significantly during the bloom outbreak and that the composition of communities shifted in distinct ways tied to nutrient levels and temperature. Understanding these microbial dynamics could help water managers predict and control harmful algal blooms that threaten drinking water quality.
Bacterioplankton Community Structure and Its Relationship with Environmental Factors in the Coastal Waters Around the Changli Gold Coast National Nature Reserve in Northern China
Researchers investigated bacterioplankton community structure in coastal waters around a Chinese nature reserve, finding significant seasonal variability in nutrients and identifying key environmental drivers—including nitrogen, phosphorus, and carbon—of bacterial community composition.
Functional responses of key marine bacteria to environmental change – toward genetic counselling for coastal waters
This review examined the functional responses of key marine bacteria to environmental stressors including nutrient pollution and chemical contamination in coastal ecosystems, arguing that bacteria are overlooked both as indicators and mediators of ecosystem health. The authors call for incorporating bacterial functional metrics into marine ecosystem monitoring and management frameworks.
Latitudinal Diversity Gradients (LDGs) and macroalgal microbiomes: A chimera of biotic and abiotic effects?
This commentary discusses a study examining how the microbiomes of the brown seaweed Fucus vesiculosus vary across latitude on both sides of the Atlantic Ocean, finding that geography and temperature influence microbial community composition more than host genetic factors. Understanding how environmental gradients shape marine microbiomes is relevant to assessing how pollution stressors like microplastics may alter these communities.
Spatiotemporal changes of cyanobacterial and heterotrophic bacterial communities during an algal bloom in a subtropical water source reservoir ecosystem of China
Researchers used high-throughput sequencing to track how cyanobacterial and heterotrophic bacterial communities in a Chinese reservoir changed spatially and temporally across distinct algal bloom phases. They found that algal bloom progression drove significant shifts in microbial diversity and community composition, with dominant taxa including Cyanobacteriales and genera such as Acinetobacter and Flavobacterium varying across bloom stages.
Co-Culturing Seaweed with Scallops Can Inhibit the Occurrence of Vibrio by Increasing Dissolved Oxygen and pH
Researchers found that co-culturing seaweed with scallops in aquaculture systems can naturally suppress harmful Vibrio bacteria by increasing dissolved oxygen and raising pH levels. Both green and red macroalgae species were effective at inhibiting bacterial growth under laboratory and field conditions. The study offers an eco-friendly strategy for reducing disease risk in shellfish farming without relying on antibiotics or chemicals.
Responses of Gut Microbial Community Composition and Function of the Freshwater Gastropod Bellamya aeruginosa to Cyanobacterial Bloom
Researchers tracked gut microbial community composition and function in the freshwater gastropod Bellamya aeruginosa during a cyanobacterial bloom, finding significant shifts in microbiota structure and metabolic function in response to bloom-associated environmental stress. The study provides insight into how harmful algal events alter host-microbiome dynamics in aquatic invertebrates.
Seasonal Dynamics of Marine Bacterial Communities in Aquaculture Farms: The case of the Northern Ionian Coastal Ecosystem (Mediterranean Sea)
Researchers characterized seasonal bacterial community dynamics across three Greek aquaculture farms in the Mediterranean, finding lower microbial diversity at farm sites compared to controls, with season being the primary driver of community composition changes.
Bacterial Communities Associated with Healthy and Diseased Corals during a Heatwave Event in the Northern Red Sea, Egypt
This paper is not about microplastics; it investigates bacterial communities associated with healthy and diseased corals during a 2021 Red Sea heatwave, identifying five coral diseases and finding higher microbial abundance in infected coral tissues.
Cold-water coral mortality under ocean warming is associated with pathogenic bacteria
Researchers experimentally exposed deep-sea cold-water corals to elevated temperatures and found that a warming of just 3°C or more caused significant coral death, with microbiome analysis suggesting that pathogenic bacteria moved in as temperatures rose. The results indicate these reef-forming corals are highly sensitive to ocean warming, with survival likely depending on whether local deep-ocean temperatures stay below a 3°C increase.
Microbial Diversity and Community Structure of Wastewater-Driven Microalgal Biofilms
This paper is not about microplastics; it profiles microbial communities in algal turf scrubber biofilms used for treating different wastewaters, finding that microbial composition is shaped by the wastewater type rather than the initial inoculum.
Physiological and intestinal microbiota responses of sea cucumber Apostichopus japonicus to various stress and signatures of intestinal microbiota dysbiosis
Scientists tested how six common aquaculture stressors, including high temperature, low salinity, ammonia, and overcrowding, affect the gut health and microbial communities of sea cucumbers. All stressors reduced growth and digestive function while shifting the balance of gut bacteria, with potentially harmful bacteria increasing under several conditions. The study identified specific microbial ratio changes as signatures of gut disturbance, which could be useful markers for monitoring sea cucumber health in aquaculture.
Eukaryotic diversity of marine biofouling from coastal to offshore areas
Researchers compared eukaryotic diversity and taxonomic composition of marine biofouling communities collected across coastal to offshore environments using multiple metabarcoding approaches, characterizing the full range of taxa present in biofilms on submerged surfaces as a foundation for antifouling and plastic pollution research.
Salmo salar Skin and Gill Microbiome during Piscirickettsia salmonis Infection
Researchers used bacterial gene sequencing to examine how the skin and gill microbiome of farmed Atlantic salmon changes during infection with the pathogen Piscirickettsia salmonis. They discovered a previously undescribed core group of co-occurring bacteria, including potential secondary pathogens found on skin ulcers and gills. The findings suggest that coinfection with these additional bacteria may worsen the severity of the primary infection.
Cold-water coral mortality under ocean warming is associated with pathogenic bacteria
Researchers studied cold-water coral mortality during ocean warming events, finding that elevated temperatures promoted colonization by pathogenic bacteria that caused tissue necrosis. The findings link warming-driven immune suppression in corals with increased vulnerability to bacterial infection, suggesting that climate change will increase disease-related mortality in cold-water coral ecosystems.
Powdery mildew-induced changes in phyllosphere microbial community dynamics of cucumber
Researchers analyzed phyllosphere microbial communities on cucumber leaves at three levels of powdery mildew disease severity to characterize how fungal pathogen infection dynamically alters the bacterial and fungal composition of the leaf surface microbiome, finding significant disease-level-dependent shifts in phyllosphere community structure.
Diet shapes cold‐water corals bacterial communities
Researchers found that diet significantly shapes the bacterial communities living in cold-water corals, with carnivorous and herbivorous diets producing distinct microbiomes. The study sheds light on the ecological factors driving microbial diversity in deep-sea coral ecosystems.
Impact of microplastics on microbial diversity and pathogen distribution in aquaculture ecosystems: A seasonal analysis
Researchers studied bacteria growing on microplastics in fish farming waters and found that in summer, these plastic-attached communities became more connected and harbored several disease-causing species including Vibrio. Microplastics in aquaculture act as floating habitats for harmful bacteria, and seasonal warming makes this worse, raising concerns about seafood safety and the spread of infections to humans.
The Extent and Pattern of Mariculture Impacts on Spatial and Seasonal Variations of Sediment Bacterial Communities Among Three Coastal Waters
Researchers used high-throughput sequencing to examine spatial and seasonal variations in sediment bacterial communities across three Chinese coastal bays with large-scale suspended mariculture, finding that spatial variation was a stronger driver of community composition than seasonality, with Proteobacteria, Bacteroidetes, and Planctomycetes dominating across all sites and mariculture-associated organic loading shaping local community structure.
Marine microplastic-associated bacterial community succession in response to geography, exposure time, and plastic type in China's coastal seawaters
Researchers used high-throughput gene sequencing to track how microbial communities on polypropylene and polyvinyl chloride microplastics changed over a full year in Chinese coastal waters. They found that the composition of plastic-associated bacterial communities varied significantly across geographic locations and over time, with Alphaproteobacteria being consistently dominant. The study reveals that the plastisphere is a dynamic ecosystem shaped by both environmental conditions and the duration of exposure.
Analysis of Bacterial Communities on North Sea Macroalgae and Characterization of the Isolated Planctomycetes Adhaeretor mobilis gen. nov., sp. nov., Roseimaritima multifibrata sp. nov., Rosistilla ulvae sp. nov. and Rubripirellula lacrimiformis sp. nov.
Researchers analyzed bacterial communities on North Sea macroalgae and characterized four novel Planctomycetes species — Adhaeretor mobilis, Roseimaritima multifibrata, Rosistilla ulvae, and Rubripirellula lacrimiformis — highlighting the ecological significance of this phylum in marine epiphytic environments.
Fungal Diversity and Dynamics during Long-Term Immersion of Conventional and Biodegradable Plastics in the Marine Environment
Metabarcoding of fungi colonizing plastic debris in marine environments found fungal communities on plastics were distinct from surrounding seawater and differed between conventional and biodegradable polymers, with a colonization transition around 30-40 days suggesting a shift from biofilm formation to biofouling communities.