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20 resultsShowing papers similar to Complex interactions among temperature, microplastics and cyanobacteria may facilitate cyanobacteria proliferation and microplastic deposition
ClearInteractions between cyanobacteria and emerging contaminants in aqueous environments
A review examined how cyanobacteria interact with emerging contaminants including microplastics in aquatic environments, finding that plastic surfaces can harbor cyanobacterial growth and influence toxin production. The interactions complicate pollution assessment and may amplify ecological risks in nutrient-rich waters.
Microplastic characteristics differentially influence cyanobacterial harmful algal bloom microbial community membership, growth, and toxin production
Researchers investigated how different types of microplastics influence the growth and toxin production of harmful algal blooms in freshwater. They found that certain microplastic characteristics, such as shape and polymer type, significantly affected which microbial species thrived and how much toxin was produced. The study suggests that microplastic pollution may play an underappreciated role in worsening harmful algal blooms in lakes and reservoirs.
Supplementary data
This is a supplementary dataset for a study on complex interactions among temperature, microplastics, and cyanobacteria in aquatic systems — not a standalone research article.
Elucidation of Mechanisms by Which Microplastics (PET) Facilitates the Rapid Growth of Benthic Cyanobacteria and Toxin Production in Aquatic Ecosystems
This review examines how PET microplastics and their chemical leachates may promote the growth of benthic cyanobacteria in aquatic environments. The study suggests that PET-derived compounds can serve as carbon sources or signaling molecules that alter gene expression related to photosynthesis and stress responses, potentially contributing to harmful cyanobacterial blooms in plastic-polluted waters.
Altered Biological Responses of Primary Producers to Multiple Stressors in the Presence of Nanoplastics
This thesis investigated how nanoplastics interact with other environmental stressors — including elevated CO2, temperature, and light — to affect freshwater algae and cyanobacteria. The results show that nanoplastics can alter how aquatic plants respond to climate change, potentially disrupting the base of freshwater food webs.
Warming and microplastic pollution shape the carbon and nitrogen cycles of algae
Researchers investigated how ocean warming combined with microplastic pollution affects carbon and nitrogen cycling in marine diatoms and dinoflagellates, revealing that these combined stressors alter key biochemical processes in dominant phytoplankton species.
Microplastics Weaken the Adaptability of Cyanobacterium Synechococcus sp. to Ocean Warming
Researchers found that microplastic exposure weakened the ability of the marine cyanobacterium Synechococcus to adapt to warming ocean temperatures. When microplastics were combined with higher water temperatures, carbon fixation dropped by up to 15% compared to warming alone, and photosynthesis pigments declined further. The study suggests that microplastic pollution could compound the damaging effects of climate change on ocean phytoplankton, which play a critical role in global carbon cycling.
Microplastics benefit bacteria colonization and induce microcystin degradation
Polystyrene microplastics in a microcosm experiment facilitated bacterial colonization and promoted the degradation of the cyanobacterial toxin microcystin, with the plastisphere community showing distinct metabolic activity compared to free-living bacteria. The study reveals that microplastic biofilms can unexpectedly accelerate detoxification of co-occurring harmful algal bloom toxins.
Microplastics in Cyanobacterial Harmful Algal Blooms: Facilitators of CO 2 and CH 4 Emission Hotspots
Scientists found that tiny plastic particles in water make harmful algae blooms produce more greenhouse gases like carbon dioxide and methane. These microplastics help the algae grow faster at first, then speed up their decay later, both of which release more climate-warming gases into the atmosphere. This matters because it shows microplastic pollution isn't just harming marine life—it's also making water bodies contribute more to climate change.
Cyanobacterial relative enrichment over diatoms: Differential responses of plankton to microplastic pollution in the Zhanghe River, Northern China
Researchers assessed microplastic pollution and its ecological impacts on plankton communities in the Zhanghe River, China, finding that fibrous polyethylene, polypropylene, and polyamide MPs increased from upstream to downstream and were significantly associated with cyanobacterial proliferation while inhibiting diatoms, with a synergistic interaction with total phosphorus potentially amplifying eutrophication risk.
Antagonistic and synergistic effects of warming and microplastics on microalgae: Case study of the red tide species Prorocentrum donghaiense
Researchers exposed the red tide microalgae Prorocentrum donghaiense to different microplastic concentrations and temperatures, finding that microplastics significantly suppressed growth and photosynthesis at 16 degrees C but that higher temperatures (22 and 28 degrees C) partially counteracted these effects at low microplastic doses. The antagonistic and synergistic outcomes of combined warming and microplastic exposure depended on microplastic concentration.
Interaction of cyanobacteria with calcium facilitates the sedimentation of microplastics in a eutrophic reservoir
Researchers found that cyanobacteria interactions with calcium facilitate the sedimentation of initially buoyant polyethylene microplastics in a eutrophic reservoir. Phototrophic sessile cyanobacteria precipitated calcite while forming biofilms on microplastic surfaces during summer, increasing particle density and driving their transfer to sediments.
Finding the missing piece of the aquatic plastic pollution puzzle: Interaction between primary producers and microplastics
This review examines the understudied interactions between microplastics and aquatic primary producers such as algae and cyanobacteria. Evidence indicates that microplastics can alter photosynthesis, growth rates, gene expression, and colony morphology in these organisms, potentially through adhesion or transfer of adsorbed pollutants. The authors argue that understanding microplastic impacts on primary producers is a critical missing piece in assessing the full ecological consequences of plastic pollution in aquatic ecosystems.
Distribution and changes in microplastics in Taihu Lake and cyanobacterial blooms formed by the aggregation of Microcystis colonies
Researchers investigated microplastic distribution in the surface water and sediments of Taihu Lake, China, finding abundances of 0-3.7 items/L in surface water and 44.42-417.56 items/kg in sediments, and exploring relationships between microplastics, nutrient pollutants, and cyanobacterial bloom formation in this heavily eutrophic freshwater system.
Combined effects of microplastics and excess boron on Microcystis aeruginosa
Researchers studied the combined effects of microplastics and excess boron on a common freshwater cyanobacterium (Microcystis aeruginosa). They found that amino-modified polystyrene microplastics were the most harmful, inhibiting growth and worsening boron toxicity, while other surface-modified types actually stimulated growth. The study reveals that the surface chemistry of microplastics plays a key role in how they interact with other pollutants to affect aquatic microorganisms.
The combined effects of ocean warming and microplastic pollution on marine phytoplankton community dynamics
Researchers studied the combined effects of microplastic pollution and rising ocean temperatures on tiny marine plants called phytoplankton. While microplastics alone had minimal impact at current temperatures, when combined with warmer water conditions, phytoplankton biomass dropped by 41% and diversity fell by nearly 39%. The study suggests that climate change may dramatically amplify the harmful effects of microplastic pollution on the ocean organisms responsible for a significant portion of global carbon capture.
A new look at the potential role of marine plastic debris as a global vector of toxic benthic algae
Researchers examined marine plastic debris as a global vector for toxic benthic algae, finding that floating plastics provide colonization surfaces that may expand harmful algal distribution and intensify toxic blooms across ocean regions.
A critical review of interactions between microplastics, microalgae and aquatic ecosystem function
This review of microplastic-microalgae interactions found that microplastics form distinct epiplastic algal communities that differ from surrounding water communities, and that the interactions are bidirectional — MP properties affect algal physiology while algal surface coatings alter MP behavior and fate.
Sorption of the common freshwater cyanotoxin microcystin to microplastics
Researchers demonstrated that microplastics from freshwater environments can adsorb the harmful algal bloom toxin microcystin onto their surfaces, potentially concentrating the toxin and altering its environmental fate. This finding suggests that microplastics in lakes with cyanobacterial blooms may act as carriers for toxins that affect fish, wildlife, and humans.
Plastic pollution amplified by a warming climate
Researchers examined the connection between climate change and plastic pollution, finding that rising temperatures accelerate plastic degradation and microplastic generation, meaning that as the planet warms, the microplastic problem is likely to get worse faster.