Articles tagged with Microalgae
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Researchers found a surprising correlation between West Antarctic Ice Sheet retreat and marine algae growth over the past 500,000 years. The study suggests that global warming may lead to reduced CO2 uptake if the ice sheet continues to shrink.
The ALLIANCE project aims to develop optimised multi-product biorefineries for microalgae to increase utilisation efficiency and produce ingredients for various industries. By implementing circular production models, the partners will reduce waste generation and make sustainable microalgae-based products more affordable.
Researchers at The University of Osaka have developed an eco-friendly method to produce highly stable and biocompatible gold nanoparticles using microalgae. This breakthrough enables the creation of safer and more effective cancer therapies with fewer side effects for patients.
Scientists have created a micro-algal platform that allows for automated and fast testing of chloroplast genetic modifications, opening up plant chloroplasts to high-throughput applications. This platform enables researchers to fine-tune genetic circuits and identify which modifications have real potential.
A recent study found that light color affects phytoplankton growth and nutrient cycling in lake ecosystems. The researchers discovered that the less light available to microalgae, the more important the color of light became for their growth.
Researchers discovered the largest eukaryotic photosystem I-fucoxanthin-chlorophyll supercomplex in coccolithophores, which can expand its light-harvesting cross-section by three to four times while maintaining over 95% energy conversion efficiency.
Researchers developed a cutting-edge microscope to study coral photosynthesis and health in their natural habitat. The BUMP imaging system provides unprecedented insights into coral reefs, advancing efforts to understand coral bleaching.
A novel 3D modeling method accurately quantifies the shading potential of over 800 microalgal species, affecting underwater light conditions and ecosystem balance. The study provides a comprehensive Projected Area Database for freshwater microalgae, enabling researchers to estimate the ecological impact of algal blooms.
Researchers have discovered that microalgae species can remove antibiotic residues from water, including sulfamethoxazole and trimethoprim. This process also produces biomass with potential commercial value, including biodiesel production.
A new database of 400 years of sightings compiled by researchers at Colorado State University may help anticipate when and where milky seas will occur. The archive includes eyewitness reports, satellite data, and individual accounts submitted to the Marine Observer Journal.
Researchers have created a modular co-culture bioreactor that combines the photosynthetic finesse of microalgae with the production capabilities of bacteria Escherichia coli. The system successfully produces valuable compounds such as lycopene and green fluorescent protein.
Researchers developed magnetic micro swimmers covered in a thin coating of magnetic nanoparticles, unaffected by the coating. The algae maintained their swimming speed after magnetization and navigated 3D-printed channels using magnetic guidance.
Researchers confirm presence of potentially toxic Ostreopsis ovata algae in La Concha Bay, highlighting importance of substrate type and need for further study. Continued monitoring is advised to determine level of concentration and control situation.
Researchers highlight microalgae's capacity to mitigate CO2 emissions while driving sustainable industry, with 'smart microalgal bioprospecting' needed to unlock its full potential. Discovering new species with enhanced growth rates or lower resource demands could reduce costs and increase commercial viability.
A new study reveals that Chlorella Vulgaris, a freshwater microalga rich in protein and essential nutrients, holds immense promise as a sustainable and nutritious food source. The researchers emphasize the need for advancements in cultivation techniques, processing methods, and sensory improvements to enhance its appeal.
A new study from DTU National Food Institute finds that temperature and light intensity play a crucial role in the yield of various nutrients produced by the microalga Nannochloropsis oceanica. The research suggests a two-stage cultivation process to optimize nutrient production, paving the way for sustainable food production.
Researchers discovered that diatoms possess phytochromes, which enable them to detect changes in the underwater light spectrum and sense their vertical position. This adaptation allows microalgae to adjust their biological activity in response to seasonal changes.
Researchers from Osaka Metropolitan University have discovered a combination of green algae and yeast that enhances wastewater treatment efficiency. The mixture boosts the growth environment, uptake of ammonium and phosphate ions, making it an effective solution for wastewater treatment facilities.
Researchers at Osaka Metropolitan University used CRISPR/Cas9 to create a strain of Euglena that produces wax esters with shorter carbon chains, improving their cold flow and suitability as a biofuel feedstock. This breakthrough could potentially replace petroleum-based production of wax esters with biological sources.
A new study reveals that Arctic microalgae can build up biomass through photosynthesis as early as March, despite barely above the horizon sun. This discovery shows that photosynthesis is possible under much lower light conditions than previously assumed, potentially expanding the global ocean's photosynthetic habitat.
A research team at Heidelberg University has successfully developed a new generation of biocompatible materials for additive manufacturing using microalgae. The materials were extracted from the raw materials of diatom and green alga species and proved to be suitable as inks for high-resolution 3D laser printing.
Researchers created microscopic vehicles propelled by swimming green algae, which can be maneuvered by the algae. The team developed two types of vehicles: the rotator and the scooter, with the latter displaying erratic rolling motions.
Research reveals phages infecting SAR11 bacteria, causing massive cell death and creation of 'zombie' cells. These cells, lacking ribosomes, are thought to be recycled for new phage DNA production, highlighting the importance of microbial interactions in the ocean.
Researchers at Tokyo University of Science discovered a simple method to increase Euglena gracilis carotenoid content ratio by exposing it to strong red-light irradiation in bonito stock. The approach has potential to enhance the nutritional profile and scalability of this edible microalga.
Researchers found that macroalgae acquired new genes for cell adhesion, differentiation, communication, and transport from viruses, which played a critical role in their evolution to multicellularity. The study provides valuable genomic resources for further studies on the biology of macroalgae.
Researchers studied Prorocentrum cordatum to understand its molecular processes, revealing a unique photosynthetic machinery that may help it adapt to changing light conditions. The findings could lead to improved understanding of harmful algal blooms and their role in climate change.
Researchers from the University of Copenhagen have developed a new method to produce protein-rich, sustainable foods with improved texture. By inserting foreign genes into cyanobacteria, they can create fibrous strands resembling meat fibers, which could be used in plant-based products.
New research reveals how human activities affect the marine phosphorus cycle in coastal seas, leading to changes in coastal biodiversity and ecosystem services. The study identifies an 'Anthropogenic Nitrogen Pump' that reduces phosphate levels, limiting algae growth, and enhances the utilization of dissolved organic phosphorus.
The study reveals the critical role of 6mA in lipid accumulation in Nannochloropsis oceanica under high light conditions. Disruption of 6mA levels affects gene expression and biomass production, highlighting its importance in optimizing microalgae for industrial uses.
Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.
Algae have adapted to cope with nutrient starvation by evolving a new cellular machinery that allows them to use sunlight for growth without iron. This discovery holds promises for biotechnology developments that could enhance crop productivity and support marine ecosystems.
A study by Hokkaido University researchers has discovered a wide diversity of symbiotic, photosynthetic microalgae associated with small, worm-like animals called acoels. Acoels form relationships with single-celled microalgae, storing them below their outer surface and creating energy using sunlight.
Researchers study microhabitats in Lake Tisza and find that diverse macrovegetation supports unique microhabitat diversity for benthic diatoms. Water management planning is crucial for maintaining biodiversity in multipurpose lakes.
Researchers discovered fragments of RNA viruses embedded in coral partners' genomes, dating back 160 million years. The discovery provides insights into how corals fight off viral infections and may hold the key to understanding the ecological impact of viruses on reef health.
The study investigates toxic effects of pesticides (chlorpyrifos, acetochlor, dicofol) on S. costatum growth and chlorophyll-a content, revealing varying toxicity levels among the pesticides. Marine microalgae partially degrade pesticides, with acetochlor showing stronger persistence.
A new study reveals that different species of bacteria colonize specific areas on diatoms, reflecting their metabolic properties. The findings provide insight into the complex interactions between algae and bacteria in marine environments.
The study analyzed the growth and productivity of Botryococcus terribilis under different cultivation systems. Stress increased the production of lipids and hydrocarbons by 49% and 29%, respectively, while proteins decreased. The microalgae's metabolites have potential applications in biofuel synthesis, cosmetics, and food.
Researchers have been awarded a three-year grant to develop a microalgae-based system to capture carbon dioxide emissions from power plants. The system will use algae to sequester carbon from flue gases, generating valuable bioproducts like nutraceuticals and biofuels.
Researchers at Ben-Gurion University of the Negev discovered a new compound derived from marine red microalga that exhibits effective antimicrobial activity against bacteria and fungus. The compound's unique structure, featuring long and dense spikes, allows it to poke holes in bacterial membranes and kill off infections.
Scientists have identified a new species of microalgae, Medakamo hakoo, which has the smallest known genome of any freshwater algae. The discovery could lead to the mass production of substances such as functional foods, cosmetics, and biofuels at low cost.
Researchers believe microalgae could be a new kind of superfood due to its high protein and nutrition content. Algae can produce 167 times more biomass than corn annually while using the same amount of land, making it a more efficient food source.
Researchers found that an algal strain with a defective Old Yellow Enzyme biocatalyst exhibits oxidative damage due to insufficient light energy dissipation. The study suggests that the enzyme plays a crucial role in maintaining photosynthetic balance.
Researchers found that larvae of the Atlantic mangrove fiddler crab survived less in warmer water and underwent physiological changes due to higher acidity. Marine heatwaves will be harmful to species and those that feed on them, with potential economic losses to fisheries. Further research is needed to understand the effects.
Researchers at Aston University have developed a method to produce high-quality biodiesel from spent coffee grounds by growing microalgae on the grounds. This innovative approach reduces competition with food crops and decreases greenhouse gas emissions from palm tree cultivation.
A two-year research project aims to overcome technical difficulties in large-scale algae cultivation, a promising method for climate change mitigation. The ROBA project focuses on developing economically feasible algal cultivation processes using advanced measurement technologies and bioprocess engineering.
Growing onshore algae in seawater-fed aquaculture systems along the Global South's coasts could increase food production by 50% and feed 10 billion people by 2050. Algae provide high protein content, essential amino acids, and minerals found in meat, making them a sustainable solution to climate change.
Researchers introduce synthetic catalysts into algae cells, enabling chemical reaction upgrades to produce building blocks for polymers and chemicals. The process reduces reliance on fossil raw materials, using atmospheric carbon dioxide as a carbon source.
Researchers at the University of California San Diego developed microscopic robots called microrobots that can swim around in the lungs and deliver medication. The microrobots safely eliminated pneumonia-causing bacteria in mice, resulting in 100% survival rates, whereas untreated mice died within three days.
Researchers discover two specific enzymes that assemble medium-chain fatty acids in marine microalgae Nannochloropsis oceanica, elevating MCT production and enabling customizable oils. The study paves the way for engineering industrial microalgae into efficient sustainable feedstock.
A team of researchers developed a low-energy and efficient way to harvest and concentrate valuable chemicals from microalgae, which can be grown on waste materials. This membrane-based process enables continuous extraction and concentration of secreted metabolites, paving the way for large-scale bio-factories.
A team of researchers from the University of Cologne identified a possible key enzyme that enables algae-eating protists to dissolve algal cell walls. The study, published in Current Biology, reveals new insights into the molecular toolkit used by these organisms to interact with their prey.
Researchers from Uppsala University developed a new method to predict temperature tolerance in individual microalgae symbionts, enabling the identification of climate resilient cells. This study aims to accelerate coral reef restoration efforts by introducing more robust coral symbionts to combat climate change.
Researchers at the University of Kansas discovered that microalgae-produced diatoms played a crucial role in preserving ancient spider fossils at Aix-en-Provence. The unique chemical process, similar to industrial vulcanization, stabilized carbon-based exoskeletons and promoted sulfurization, resulting in exceptional fossil preservation.
A research team has discovered a genetic sensor of blue light that regulates oil synthesis in industrial microalga, leading to double the microalgal productivity of oils. This finding has major implications for microalgae-based conversion of carbon dioxide to biofuels.
Scientists at NTU Singapore have developed a method to produce and extract oils from a type of common microalgae, which are edible and have superior properties as those found in palm oil. The newly discovered method would serve as a healthier and greener alternative to palm oil.
Researchers at Bielefeld University have identified five key characteristics of mitosis in the microalga Volvox carteri, including a porous nuclear envelope and crucial centrosome function. They used confocal laser scanning microscopy to capture high-resolution images of live cell division and gain insights into the complex process.
Researchers discovered a small fraction of diatom cells participate in sexual reproduction, while others block growth and reduce nutrient absorption. This phenomenon occurs in nutrient-rich conditions, representing a paradox for microalgae that usually compete for resources.
Scientists found that variations in Earth's orbit drive cycles of higher and lower diversity in coccolithophore size and shape, with rhythms of 100 and 400 thousand years. This influence may have played a role in ancient climates and climate variations during past warm periods.
A new species of green microalgae was identified in a reservoir in northwest São Paulo, Brazil, and reclassified into the genus Nephrocytium. The discovery was made through phylogenetic analysis and molecular sequencing, confirming that the microalga is distinct from other known species.
Researchers at NTU Singapore develop a method to encase algae protein in liquid droplets, tripling artificial photosynthesis efficiency and generating more energy. The technology has the potential to make solar cells more efficient and pave the way for sustainable energy production.