Articles tagged with Algae
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New research from Bigelow Laboratory for Ocean Sciences reveals that coccolithophores can survive in low-light conditions by taking up dissolved organic forms of carbon. This finding challenges current understanding of the biological and alkalinity pumps driving carbon transport in the ocean.
Researchers discovered how sea anemones distribute sugar from symbionts to recycle nitrogen waste, enabling them to build massive reef ecosystems. The study reveals that sea anemones play a major role in recycling scarce nitrogen, challenging the belief that algae are the sole actors.
Researchers found that using seaweed coverage as an indicator of reef health is flawed and may even hide signs of stress. Local species behave differently in response to human impacts, making it crucial for scientists to develop new methods to assess reef health.
Researchers have found that corals in the Indo-Pacific region are more flexible and resilient to climate change due to their symbiotic relationships with algae species. These partnerships may help them withstand greater environmental changes, making them better equipped to survive in a warming ocean.
A Texas A¼M researcher has received a $3M NSF grant to test 3D printing living matter for substituting petroleum-based plastics in packaging, furniture and construction industries. The project aims to create locally available materials that can generate domestic jobs.
Researchers from Aarhus University have discovered thousands of microscopic organisms thriving on glaciers, including a black algae that darkens the ice and accelerates melting. The study highlights the importance of understanding microbial life in extreme environments to better comprehend climate change.
Researchers at Lund University studied green algae in Swedish lakes to understand how multicellularity evolved. They found that multicellular groups form as a by-product of single-celled strategies to reduce environmental stress, challenging the idea that multicellularity is inherently beneficial.
Research reveals that Arctic ice algae, Melosira arctica, contain ten times more microplastic particles than surrounding seawater. The clumps of dead algae transport plastic pollutants quickly into the deep sea, posing a threat to creatures that feed on them.
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.
Researchers at Concordia University have developed a system of floating geotextile filters that efficiently remove suspended solids, algae, and nutrients from shallow lakes. The study shows promising results in lake water remediation, with the potential to scale up and benefit larger bodies of water.
The study analyzed ancient dolomite deposits to estimate the temperature and composition of a shallow inland sea during the Palaeoproterozoic era. The findings suggest that the conditions were ideal for photosynthetic algae to emerge, pumping oxygen into the atmosphere.
The latest issue of PLOS Biology features a special collection on biology-based solutions to reduce plastic pollution, carbon dioxide emissions, and produce food or energy more sustainably. Insect enzymes may degrade plastic waste, while photosynthetic algae can capture CO2 produced by industrial applications.
A new study by the University of Exeter found that microplastic pollution reduces energy production in microscopic creatures like Paramecium bursaria. The microorganisms rely on algae for energy through photosynthesis, but severe contamination can lead to a 50% decline in net photosynthesis.
Researchers found an increase in biologically available nitrogen during the time when marine eukaryotes became dominant, leading to a new era for life on Earth. This discovery links ancient ocean records to the present and beyond, providing context for global changes.
Researchers from China and Singapore study the radiative properties of polyamide-12, a common marine microplastic pollutant. They found that most of the incident radiation is scattered by PA12 particles, affecting ocean light transmission and marine ecology.
Researchers found that a simple 19th century Secchi disk is effective in monitoring phytoplankton abundance, providing valuable long-term data on ocean changes. The tool's continued use supports scientists studying climate change, ecosystem health, and water quality.
Researchers at TU Dresden created perovskites from algae, leveraging the natural nano-architectures and crystal properties of these single-celled organisms. The team's method allows for fine-tuning of electro-optical properties by altering chemical composition, enabling mass production of unique functional materials.
Researchers found that mineral-organic carbon preservation slowed down decomposition, allowing atmospheric oxygen levels to increase unhindered. This process enabled complex life forms to evolve and ultimately led to the development of intelligent life on Earth.
Researchers at the University of Sussex have developed biodegradable health sensors using natural ingredients like rock salt, water, and seaweed, combined with graphene. These sensors outperform existing synthetic alternatives in terms of sensitivity, making them highly effective for monitoring vital signs.
Researchers developed a coral-reef-friendly sunscreen by using polymerization to create large molecules that block UV radiation without penetrating skin or coral. The new filter was found to be more effective at preventing sunburn in mice than existing sunscreens, while also being safe for coral and algae.
Scientists from the Institute of Botany discovered a widespread phenomenon called alcobiosis, where algae live inside fungal tissue and engage heavily in photosynthesis. The coexistence is common among corticioid basidiomycetes and is distinct from lichens.
Estuaries along the Atlantic coast and eastern Gulf of Mexico are expected to experience significant increases in nutrient loading, posing risks for harmful algal blooms and ecosystem health. The study identified regions with high adaptive capacity as having more resources to mitigate these effects.
Research from the University of Cambridge and Cardiff University found that damselfish scare off cleaner fish customers, leading to fewer species receiving vital cleaning treatment. This disruption could contribute to the breakdown of delicate ecosystems supported by coral reefs.
A new study found that some coral reefs in the Eastern Pacific could maintain high coral cover into the 2060s by shuffling symbiotic algae communities. The reefs predominantly built by corals in the genus Pocillopora and hosting heat-tolerant alga Durusdinium glynnii are better equipped to survive and maintain high levels of coral cover.
A team of researchers has identified a molecular switch that regulates autophagy in plants, bridging two quality control pathways. The study reveals that this regulatory mechanism is conserved in eukaryotes and essential for preventing cells from 'eating' healthy cellular components.
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.
Coral hosts can punish selfish algae by limiting nutrient supply, promoting more beneficial species. This finding sheds light on coral survival and potential interventions to prevent bleaching due to climate change.
Researchers discovered a new enzyme with molecular protection against oxygen, increasing its resistance by genetic modification. This breakthrough aims to improve protein dynamics and control inorganic centre reactivity for carbon-neutral hydrogen production.
Researchers have developed a system using microvesicles from algae that promote skin cell proliferation and migration, leading to increased collagen synthesis. The findings show promising results for the treatment of wounds and skin regeneration.
Researchers discovered that brown algae's fucoidan can remove large amounts of carbon dioxide from the global cycle in the long term. The fucoidan is a recalcitrant molecule that does not return to the atmosphere quickly, making the brown algae particularly effective in removing carbon dioxide from the atmosphere.
A new study reveals that marimo algae balls are susceptible to photoinhibition when exposed to high light intensities and low water temperatures. Researchers found that while the algae can recover from brief periods of bright sunlight, prolonged exposure leads to cell damage and death.
New study reveals marine algae adapt to nutrient-poor ocean conditions, sustaining productivity even in depleted waters. This 'metabolic hack' could impact global ocean productivity and carbon sequestration.
A WVU engineer has developed a technology that can treat urine on site rather than at a centralized wastewater treatment facility, allowing for the recovery of nitrogen as a valuable fertilizer. The approach enables quick treatment and promotes the reduction of nutrient discharge into lakes and rivers.
A new analysis led by Dr. Asaf Tzachor finds that replacing beef with Spirulina algae can save nearly 100kg of greenhouse gas emissions, 340 square meters of land and 1,400 liters of water for every kilogram of beef meat replaced.
Researchers at Bar-Ilan University discovered a coral species that can survive without algae for a year, maintaining its biological clock and essential metabolic processes.
A new study from the University of Wisconsin-Madison found that while phosphorus is a key ingredient for algae blooms, other factors like calm winds, warm surface waters, and low zooplankton populations can delay or prevent blooms. Drastically reducing phosphorus use on land may be the only option to head off future blooms.
Researchers have discovered that reef halos, visible from satellite imagery, can provide insights into coral reef health globally. These bands of bare seafloor surrounding coral patch reefs are more common and dynamic than expected, with the potential to serve as a window into reef health.
Marine aquaculture systems can provide a nutrient-rich alternative to terrestrial agriculture, reducing ecological impact and freshwater usage. Microalgae-based aquaculture offers high protein content and micronutrients without land or water requirements.
Researchers at Max Planck Institute successfully revived ancient enzymes, revealing a novel protein component that increased CO2 specificity in Rubisco. This discovery provides new insights into the evolution of modern photosynthesis and suggests adding new components may improve its efficiency.
Scientists have clarified the structure of a new protein complex that catalyses energy conversion processes in photosynthesis, known as Photosystem I. The research reveals that two monomers can join together as a dimer, leading to improved hydrogen production in certain plant species.
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.
Research identifies Colorado River flow decline as main cause of Salton Sea's shrinking, leading to increased salt and chemical concentrations. The study highlights the need for a watershed-centric approach to mitigate the environmental risks and health impacts of the Salton Sea's decline.
A marine heatwave in Baja California led to the loss of a native kelp forest, replaced by invasive algae species. The study found that the warm waters hindered native kelps while allowing invasive species to thrive, potentially affecting other organisms up the food chain.
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.
Brown algae's unique pigments have evolved through a complex genetic pathway, enabling them to harness more light energy than green plants. This discovery could lead to insights into fucoxanthin's health applications and improved photosynthetic efficiency for biofuels production.
The devices, made from a combination of stretchy material and dinoflagellate-infused culture solution, trigger light emission through mechanical stress. They can be recharged with sunlight and are maintenance-free, making them suitable for soft robots exploring dark environments.
A new genus and species of algae called Protocodium sinense has been discovered in China, providing new insight into the early diversification of the plant kingdom. The fossils are remarkably modern-looking and suggest that green algae were already established in shallow waters as carbon dioxide recyclers and oxygen producers before th...
Researchers from Osaka University discovered a new type of protein in red algae Cyanidioschyzon merolae associated with chloroplast protein import and targeting mechanism. The study found that red algae use distinct mechanisms involving GTP-binding proteins to transport proteins across the inner membrane of chloroplasts.
A team of scientists has discovered that idoteas, tiny marine creatures, play a crucial role in the reproductive cycle of red algae by pollinating them. This unique interaction not only aids the alga's reproduction but also provides the idotea with food and shelter.
A Tel Aviv University study reveals that corals' fluorescence serves as a lure for plankton, which are then consumed by predators like corals. The researchers found that green-fluorescent corals were 25% more preyed upon than yellow-fluorescent ones.
Scientists have developed artificial photosynthesis to produce food in the dark, bypassing sunlight's need. This technology converts CO2, electricity, and water into acetate, a key component of vinegar, boosting food production's conversion efficiency up to 18 times.
Researchers from OIST developed a PCR test that detects nine sex-determining genes in Okinawa mozuku germlings, enabling the identification of male and female haploid and diploid stages. This allows for crossbreeding to create heat-tolerant strains, improving yields and addressing issues with detachment and contamination.
A group of researchers discovered a new species of green algae, Gormaniella terricola, in Central New York State. The alga's unique chloroplast genome was found to contain DNA from fungi and bacteria, highlighting the importance of horizontal transfer.
Researchers at Princeton and Northwestern universities developed a computational model of the pyrenoid, identifying key features needed for enhanced carbon fixation in plants. The study suggests that engineering a pyrenoid-like ability could improve crop growth rates and mitigate food insecurity.
Researchers at the University of Göttingen discovered an unknown group of marine eustigmatophyte algae that produces distinctive lipids, allowing for the reconstruction of summer sea surface temperatures. The Long chain Diol Index provides a novel climate proxy based on these lipids.
Researchers have developed a system that harnesses energy from sunlight to power small devices, making it ideal for off-grid situations. The innovative device uses non-toxic algae to generate electricity continuously without running down like traditional batteries.
A new study by University of California, Riverside researchers has found that coral-algal symbiosis can initiate without photosynthesis. This breakthrough could help corals survive climate change and ultimately save coral reefs.
A new strain of algae has been identified that can produce green hydrogen gas via photosynthesis on an industrial scale. This breakthrough could accelerate the transition to environmentally friendly green hydrogen and reduce pollution. The researchers also plan to develop methods to increase production rates and reduce costs.
Researchers quantified five critical ecological processes on over 500 coral reefs worldwide, finding no reef can maximize each process simultaneously. They also identified local super heroes among species that contribute to ecosystem functioning.
Researchers at University of Gothenburg found that process water from the food industry can be used as fertilizer in land-based seaweed cultivation, increasing growth rates by over 60% and protein content quadrupled. This sustainable approach could provide an alternative source of protein in future foods.