Articles tagged with Algae
Researchers from OU and international partners analyzed ancient dust in rocks to understand the role of atmospheric dust on marine ecosystems 300 million years ago. They found that this ancient dust was much dustier than today, with twice as much bioavailable iron, leading to a massive surge in marine photosynthesizers.
A team of researchers observed regular oscillations in the populations of rotifers and green algae over a period of one year, corresponding to more than 50 cycles. The oscillations were repeatedly interrupted by short periods without discernible external influences, but always returned to their normal rhythm on their own.
A new study published in Communications Biology has identified the exact sites where Aurora kinase phosphorylates dynamin, a protein involved in mitochondrial division. The research suggests that the process of mitochondrial replication is similar in different eukaryotic organisms, including humans.
Researchers have discovered a new alginate lyase in a heat-loving bacterium that can directly utilize brown algae and ferment its components into ethanol with high-yield. The study has identified previously unknown enzymatic families contributing to bioconversion, shedding light on sustainable seaweed-based biofuel production.
A team from Colorado State University has created a novel dataset, AquaSat, by merging large public datasets of water quality observations with satellite imagery. This 'symphony of data' provides over 6 million water quality observations, unlocking powerful new applications in remote sensing of water quality. The study aims to improve ...
Researchers characterized the light-harvesting system of Chlamydomonas reinhardtii, a common unicellular green alga. The study reveals the assembly mechanisms and energy transfer pathways of the C2S2M2L2 supercomplex, shedding light on efficient light harvesting in green algae.
A new study reveals that genes from soil bacteria were transferred to algae through horizontal gene transfer, allowing early life to move from water to land. This process, known as terrestrialization, marked a crucial event in the evolution of life on Earth.
The NUS team developed a portable, easy-to-use, and low-cost device that can detect toxin-producing algae in water within 15 minutes. The system uses a smartphone and generates real-time results, enabling quick and convenient water quality monitoring.
Scientists have discovered how red algae adapted to extreme environments by losing genes, allowing them to thrive in diverse habitats. The study's findings may lead to the creation of genetically altered seaweeds and help control invasive seaweed pests.
A 6,250-year record of glacial meltwater discharge suggests ice shelves have been thinning at an accelerating rate for approximately 300 years. This could increase the risk of collapse as anthropogenic warming intensifies.
A recent study by Brown University researchers found that biologically diverse communities are more resistant to environmental changes and can thrive in turbulent areas. This is because highly mobile species can adapt to changing conditions by darting to safe locations or accessing abundant food sources.
A €11 million ERC grant will study the role of glacier algae in darkening the Greenland Ice Sheet surface, affecting sea level rise predictions. The research aims to understand how biological darkening occurs and where it will occur in the future.
A new study measures how much of coral nutrition comes from hunting, suggesting that corals may be eating more than expected. The research provides a more accurate view of coral diets and has big implications for reef survival during climate change.
USC scientists discover coral passes beneficial algae colonies to offspring for survival advantage. The finding suggests corals can adapt to rising ocean temperatures through genetic mechanisms.
Researchers investigated the role of SAGA1 protein in regulating pyrenoid shape and number. They found that loss of SAGA1 leads to multiple pyrenoids with fewer starch plates, which results from elongated starch plates pinching off matrix portions.
A 2018 Kilauea eruption led to an unusual algae super bloom that stretched for miles, fueled by the perfect cocktail of nutrients from the ocean, including nitrate, silicic acid, iron, and phosphate. The bloom, which was hundreds of miles wide, was an unexpected outcome of the volcanic event.
Researchers at King Abdullah University of Science & Technology found that corals use organic carbon to recycle waste ammonium, revealing new insights into coral-algae symbiosis. This process allows corals to control algal growth by regulating nitrogen flow.
Researchers found evidence of earlier Arctic sea-ice decline starting at the beginning of the 20th century using a new proxy from coralline algae. The study provides insight into past sea-ice variability and may help reduce uncertainties in ocean model simulations.
A team of scientists has developed a locally growing algae species that can be used to extract cellulose nanofibers, forming paper sheets with tailored pore size for effective virus and bacteria removal. The filter has demonstrated excellent efficiency in lab and real-life tests.
Researchers at Hiroshima University discovered that giant clam feces contain symbiotic algae zooxanthellae, which can be transferred to juvenile clams and establish a symbiotic relationship. This finding may help solve the mystery of how coral reefs acquire these essential algae.
A USC-led study reveals that marine microbes containing rhodopsins are more abundant than thought and can capture more light energy than chlorophylls. This shift in microbial communities may result in less carbon fixation in the ocean, potentially leading to increased CO2 levels and faster warming.
A recent DNA analysis revealed surprising genetic diversity in a bacterium that targets commercial algae, posing a persistent threat to the biofuels industry. The discovery suggests that treatment for one algae pest might not work for another, complicating large-scale algae cultivation.
Newly discovered microscopic protists Rhodelphis limneticus and Rhodelphis marinus have a complex genome and chloroplast, indicating their close ties with plants in the distant past. They are genetically linked to red algae, but show a surprising evolutionary twist, pointing to an ancient organism resembling a triffid.
Researchers found that red algae stole approximately 1% of their genes from bacteria to adapt to toxic metals and salt stress in hot springs. The study suggests that this genetic adaptation could be used to develop novel genetic engineering methods to produce fuels and clean up polluted sites.
A recent study has found a greater diversity of coralline algae species in kelp forests compared to sea urchin barrens, where they thrive despite the loss of sea otters. This discovery suggests that corallines may play a crucial role in maintaining these ecosystems.
A British-German study found that environmental factors had a significant influence on species success in the past, but became less important around 170 million years ago. The shift was attributed to the rise of planktonic algae with calcified shells, which changed the rules of evolution.
Researchers have discovered thriving microbial communities in high-elevation ice spires in the Andes Mountains, offering insights into the limits of life on Earth. Snow algae were found to be present in these formations for the first time at an extreme elevation, providing a possible analogue for life on other planets.
Researchers at the University of Tsukuba developed a reusable nanostructured graphene system to efficiently remove water from algae biomass, preserving environmental benefits. This innovation increases the yield of eco-friendly biofuels, pharmaceuticals, and fertilizers.
Researchers discovered a new species of bacteria living inside algae that produces toxic compounds for the sea slug's defense. The three-way symbiotic relationship allows the slug to obtain food and defensive chemicals while the algae benefits from chemical production and the bacteria receive a home and nutrients.
Coral and algal symbiotic relationships are crucial for reef construction. Researchers analyzed cellular processes in anemones hosting native and non-native dinoflagellate algae to understand preferential relationships and potential for revival of bleached coral communities. They found elevated protein expression associated with nutrie...
A new microorganism, Vibrio sp. dhg, has been successfully developed to rapidly metabolize alginic acid in algae and genetic engineering techniques optimized for this new microorganism based on omics analysis.
Researchers found that corals and coralline algae, crucial for reef structure, are vulnerable to ocean acidification. The study suggests a significant shift in the composition and function of future reefs if they can survive climate change.
A new study from the Woods Hole Oceanographic Institution has discovered distinct microbial communities surrounding Caribbean corals. The research found that different types of coral have unique microbial communities living near them, with some species showing enriched presence in the seawater closer to corals.
Coral reefs surrounding Palmyra Atoll in the Pacific recovered dramatically after a 2015 bleaching event, with less than 10% dying. Imaging software and 3D structuring helped scientists monitor coral growth and decline over time.
A new study by Desert Research Institute researchers found that a common species of freshwater green algae can remove certain endocrine-disrupting chemicals (EDCs) from treated wastewater. The algae showed significant removal rates for three EDCs, including triclosan, in ultrafiltration water.
Scientists decoded the genome of umi-budo, a popular Okinawan seaweed, to understand its unique shape and assist farmers in proper cultivation. The study revealed key genes controlling growth and development, potentially helping ease crop issues and address environmental concerns.
A new library of Chlamydomonas mutants has enabled scientists to discover nearly 300 genes essential for photosynthesis, a process that produces oxygen and fuels life on Earth. This breakthrough highlights the vast knowledge gap in understanding the genetic mechanisms behind this fundamental process.
Researchers at the University of Alberta found bacterial pathogens in single-celled algae can induce apoptosis, a process previously thought to occur only in large organisms. This discovery has broad implications for developing targeted antibiotics and producing biofuels from algae.
Researchers discovered that plants' built-in drought detection system has an unlikely origin: freshwater-dwelling streptophyte algae. This signaling pathway, which triggers plants' drought defenses, has remained virtually unchanged for hundreds of millions of years and exists across most plant lineages.
The discovery of ancient molecules, including bisnorgammacerane, reveals that predatory plankton played a crucial role in shaping the evolution of modern ecosystems. This finding suggests that massive predation helped 'clear' out bacteria-dominated oceans and create space for algae, paving the way for more complex lifeforms to evolve.
Researchers discover coralline red algae fossils dating back 430 million years, challenging current classification. This finding sheds new light on the development of these algae, which play a crucial role in ocean ecosystems.
The University of California San Diego is awarded $2 million to create novel methods for manufacturing biologically based monomers used in making polyurethane polymers. The project aims to produce cost-competitive algae-based products for various plastics found in everyday items.
Researchers conducted a 19-month experiment to study algae growth in five outdoor locations across the US. The project provided valuable data on optimal conditions for algae production, which can help others make predictions and develop strategies for growing algae in various regions.
Scientists have developed a new organic proxy, phytane, to analyze ancient CO2 levels in the oceans, revealing high levels of carbon dioxide 1000 ppm. This data shows changes that typically take millions of years are now happening in a century, providing valuable insights into future climate predictions.
A study using algae deaths reveals the amount of uplift during the 2016 magnitude 7.6 Chiloé earthquake was approximately 25.8 centimeters, confirming a 3-meter maximum fault slip. This finding helps assess seismic hazards in the Chilean Subduction Zone and informs efforts to predict future major earthquakes.
A breakthrough study has identified a key protein that controls starch content in algae, allowing for increased production of biofuels and sustainable materials. The discovery could accelerate the development of environmentally friendly products and contribute to achieving Sustainable Development Goals.
The VIMS hypoxia model reports a similar total volume of low-oxygen waters to 2017, but with earlier and longer-lasting low-oxygen conditions. Wind mixing played a crucial role in reducing mid-summer hypoxia.
Researchers found that corals living in more productive waters consume plankton and other microorganisms for energy, suggesting some corals are less reliant on symbiotic algae. This discovery could aid predictions on coral recovery from bleaching events and inform strategies for identifying resilient reefs.
Researchers found that gas bubbles released during photosynthesis produce a 'ringing' sound, correlating with algal cover on coral reefs. This discovery may enable rapid and inexpensive estimation of algal abundance, a key indicator of stress on coral reefs.
Researchers found evidence of a skeleton in ancient organisms, challenging previous assumptions about fossil chronicle. The discovery confirmed that these creatures had a skeleton composed of single-row chambers, similar to modern giant protozoa.
A recent study found that climate change is causing a shift in reef composition, with gorgonians taking the place of declining coral species in some regions. The research suggests that gorgonians are better adapted to changing conditions due to their flexible trophic structure.
Researchers at STRI and CIMAR discovered a new blood-red octocoral species, T. dalioi, on Hannibal Bank, highlighting the importance of mesophotic reefs and coral conservation. The study's findings have potential applications in medicine, including anti-inflammatory and anti-cancer properties.
The study's findings suggest that Chara braunii possesses all the necessary genes for cell division and phytohormone biosynthesis similar to those found in land plants. Additionally, it contains genes encoding Aux/IAA and ARF transcription factors involved in auxin response, which were not present in Klebsormidium nitens.
Scientists at Australian National University have engineered tiny carbon-capturing engines from blue-green algae into plants, promising a 60% increase in plant growth and yield. This breakthrough improves the way crops convert carbon dioxide, water, and sunlight into energy through enhanced photosynthesis.
Marimo algae balls sink at night and float during the day due to photosynthesis and biological circadian rhythms, according to a new study published in Current Biology. The research has implications for conserving these endangered species, which have experienced a global decline.
New research reveals that coral-algal partnerships date back to the Jurassic Period, approximately 160 million years ago. This finding challenges previous assumptions and provides evidence for a more diverse range of algal species worldwide.
A team of scientists found that coral-algal partnerships are older and more diverse than previously thought, with a history dating back to the 'age of dinosaurs.' This relationship has enabled corals to adapt to environmental changes over millions of years.
Researchers found a novel approach combining manual removal and native urchin outplanting effective in reducing invasive macroalgae on Hawaiian coral reefs. The method reduced algae growth by 85% over two years without harming corals or other reef species.
A study of five coralline algae species found that organismal size is the main factor in determining physiological performance under acidic conditions. The findings provide insight into how different species will respond to ocean acidification and its effects on marine ecosystems.
Researchers found that coralline algae, often considered a canary in the coal mine for ecosystem changes, are responding to ocean acidification by altering their chemical cues. This shift could impact the overall ecosystem as species interact differently with each other.