Articles tagged with Algae
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Guillardia theta's unique phycobiliproteins have distinct biosynthesis and assembly processes compared to cyanobacteria and red algae. Researchers gained insight into the complex transport mechanism of these pigments using docking enzyme GtCPES.
Two tropical rabbitfish species are destroying algal forests in eastern Mediterranean, reducing large seaweeds and algae by 65% and 60%. Climate change is enabling their expansion, posing a threat to entire Mediterranean basin.
The XVIII International Botanical Congress meeting in Melbourne made significant decisions to update the International Code of Nomenclature for algae, fungi, and plants. The changes include electronic-only publication and use of English as an alternative to Latin in formal descriptions.
Researchers present integrated approach incorporating pest identification, tracking, and management to mitigate contamination in open pond algae systems suitable for producing biofuel. The solution illustrates its use in cultivating a strain of algae with potential for biofuel production.
Scientists found that corals with large energy reserves and flexibility in their algae partnerships can recover from yearly bleaching events. These adaptable species will be key targets for conservation efforts to preserve coral reefs worldwide.
A long-term study of the West Antarctic Peninsula finds that changes in climate and sea-ice cover impact the entire polar food web, from single-celled algae to penguins. The study shows how a stable water column favors phytoplankton growth, which is essential for krill recruitment.
A UNSW Australia-led team found a class of cryptophytes where quantum coherence is switched off due to genetic mutations, allowing them to thrive in low-light conditions. This discovery could lead to technological advances in organic solar cells and quantum-based electronic devices.
Research reveals that debris from forests supplements the diets of microscopic zooplankton and fish that feed on them, leading to larger and stronger fish. The study found that areas with more forest cover have fatter fish, while those with less forest cover have smaller and weaker fish.
A recent study reveals that Caribbean corals and their algae form a stable relationship, which could be used to restore healthy coral in heat-damaged reefs. The research found that individual coral colonies often harbor only one strain of algae, suggesting that this partnership may not adapt to climate change.
Coral reefs support 25% to 35% of ocean fish, providing protein for millions. Ecologist study reveals how corals respond to high water temperatures by expelling heat-sensitive algae, which can have long-term consequences.
Researchers at UC Davis discovered that aquatic algae can perceive light across the visible spectrum, allowing them to adapt to changing conditions. This broad spectral coverage helps algae make use of whatever light they can in the ocean.
A team of researchers used a computer model to simulate the effects of adding genes from cyanobacteria on photosynthetic efficiency in crops. They found that certain genes enhanced, while others hindered photosynthesis. The study suggests potential for a 60% increase in efficiency and a 40% boost in yields.
A comprehensive study recommends cutting nutrient pollution nearly in half to reduce the size of toxic algae blooms and oxygen-starved regions, or dead zones, in Lake Erie. The report calls for a 46% reduction in phosphorus pollution to shrink Lake Erie's Central Basin hypoxic zone.
Michigan State University scientists develop a standardized algae growing platform that simulates dynamic natural environments to cultivate strains capable of producing oil in real-world settings. The ePBR system has inspired the launch of a spinoff company and shows promise for scalable algae biofuel production.
Recent research by Eawag and EPFL suggests that silver nanoparticles are not toxic to certain types of algae, which can survive even low concentrations of silver ions. However, this finding raises concerns about the potential impact on higher organisms, such as fish and other aquatic life.
A new study revealed that marine algae can detect a range of colors beyond red light, allowing them to adapt to changing environments. This innovation has significant implications for understanding photosynthetic life and potentially improving food production by teaching crops to grow in various light conditions.
Researchers have discovered a new, red-light-sensitive opsin called Chrimson that enables the independent control of two brain populations. The new opsin was found in a screen of algae and can mediate neural activity in response to red light with high precision.
Multicellularity has evolved in at least 25 plant and animal lineages, with different developmental pathways and mechanisms. The critical point is that natural selection acts on functional traits, allowing for multiple evolutions of multicellular organisms via various cellular biology aspects.
A study reveals a shift in competitive dynamics among crustose coralline algae due to ocean acidification, altering biodiversity. The researchers found that the dominant species, Pseudolithophyllum muricatum, no longer enjoys its competitive advantage, likely due to lower pH levels recorded over the last 12 years.
Researchers are investigating the production of oil-producing algae and the feasibility of commercial-scale biofuel production based on microbes discovered in Yellowstone National Park. The study aims to integrate MSU's groundbreaking work on algal biofuels with larger questions about its potential as a sustainable energy source.
Engineers at PNNL have developed a continuous chemical process that transforms harvested algae into crude oil, water, and usable byproducts in under an hour. The process simplifies the transformation of algae to oil, eliminating the need for drying and reducing costs.
The researchers created artificial nanoassemblies inspired by plant photosystems, which may collect and convert energy. They successfully joined individual units into larger arrays, enabling complex functional nanosystems with applications in Raman spectroscopy and catalytic processes.
Researchers found diverse aging patterns in 46 species, including those that weaken and strengthen with age, and remain unaffected by the process. Some species experience high mortality early on in life, while others become more fertile with age. The study reveals no correlation between aging patterns and typical lifespan.
Researchers have found a dramatic decrease in sea ice cover over the last 150 years, with annual growth increments doubling since the Little Ice Age. This discovery provides new insights into climate reconstruction and extends knowledge back to the mid-1800s.
Researchers at the University of Minnesota have discovered that multicellular algae reproduces by dispersing single cells, contradicting long-held assumptions. This finding has significant implications for understanding the evolution of multicellular complexity.
A new study published in Bioresource Technology found that algae biofuel reduces life cycle CO2 emissions by 50-70% compared to petroleum fuels. The study also reveals that algae-based fuels have a similar Energy Return on Investment (EROI) as conventional petroleum, making them a promising long-term source of sustainable energy.
New research from Carnegie Institution for Science reveals that coral bleaching occurs even when algae are heat-stressed in the dark, suggesting novel mechanisms beyond toxic oxygen molecules. The study provides key details on the breakdown of photosynthetic apparatus and potential strategies to mitigate bleaching.
Excessive sunlight inhibits algae growth, leading to yellowish coloration and stress. The study found a direct relationship between solar radiation, antioxidant activity, and C:N ratio in the alga.
Researchers discovered that bacteria and algae played a crucial role in the disappearance of coral-stromatoporoid reefs before 370 Ma, leading to insights into modern coral bleaching. This study sheds light on the devastating impact of blooming bacteria and algae on ancient reef ecosystems.
A CSIC study reveals that Japan, China, and South Korea account for 84% of macroalgae patents, highlighting the importance of scientific investment in biotechnology development. The study also suggests that under-invested Asian nations are missing out on market opportunities due to low research efforts.
A recent study published in the Proceedings of the National Academy of Sciences found that ocean acidification can have a profound impact on marine ecosystems, causing a loss of functional diversity and resulting in a homogenized community dominated by turf algae. This can lead to cascading effects throughout the ecosystem, making calc...
Scientists describe three new species of foetid fungi from New Zealand, known for their strong and unpleasant odor. The new species belong to the genus Gymnopus and can be recognized by their rotting cabbage-like smell and distinctive waxy layer.
Biologists discovered that green algae require haemoglobin and nitric oxide to signal the absence of oxygen, allowing them to activate genes and produce hydrogen. In an oxygen-rich environment, this gene is idle, and its inactivation has fatal consequences for the algae.
A new strain of algae discovered in Colorado's Rocky Mountains has been found to grow at temperatures approaching freezing and accumulate large intracellular stores of lipids. The algae produces the highest quantity of lipids when grown under high light and low temperatures, making it an ideal source for biofuel production.
Researchers have captured conclusive images of green alga consuming bacteria, providing evidence for a critical step in the evolution of photosynthetic algae and land plants. The discovery sheds light on an early evolutionary event that fundamentally changed the trajectory of plant and animal evolution.
The US can support the growth of up to 25 billion gallons of algae-based fuel annually, filling the country's current oil needs for a month. The Gulf Coast and Southeastern seaboard are the most favorable regions for algae growth due to warm temperatures, low evaporation, and abundant water.
Coral-building microbes have been found to capture, store, and release nitrogen to feed reef-forming corals. The microbes' ability to store excess nitrogen in crystal form allows them to regulate the amount of nutrients available to the coral host, enabling it to thrive in low-nitrogen environments.
Researchers at EPFL discover that corals depend strongly on algae to extract nutrients from the water. The algae temporarily store nitrogen in the form of uric acid crystals, building up reserves for times when supplies run low. This symbiotic relationship is crucial for coral survival in nutrient-poor environments.
Researchers discovered that corals' skeletons scatter light differently, affecting algae retention and survival. This phenomenon helps predict coral reef response to climate change stressors, shedding light on preservation strategies.
Researchers engineered algae to produce a fusion protein that blocks malaria transmission, suggesting its potential use in treating other mucosal lining infections. The study's findings encourage the development of algae-based vaccines as a cheaper alternative for distributing life-saving medicines to developing countries.
Researchers at Uppsala University found that green algae can produce hydrogen gas directly from sunlight, with up to 80% of the energy absorbed by Photosystem II going into production. This discovery changes the view on hydrogen production in green algae and offers hope for efficient renewable energy source.
A recent study suggests that the record-breaking 2011 Lake Erie algae bloom was caused by a combination of intense spring rainstorms and agricultural practices. The researchers used climate models to predict an increase in extreme precipitation events, which will likely fuel future massive blooms.
Research from the University of Sheffield found that starving algae of key nutrients like nitrogen can actually decrease overall oil yield. Increasing cell density also boosts productivity, contrary to previous expectations.
Researchers at Michigan State University have made a groundbreaking discovery about the survival mechanisms of primitive red algae. The algae's ability to thrive in hot and acidic environments lies in part in their membrane proteins, which are also found in human cells and hold promise for treating diseases.
Researchers engineered Chlamydomonas reinhardtii into a rainbow of colors by producing six different fluorescent proteins in the algae cells. This innovation provides a powerful tool for algae researchers to sort cells, view cellular structures, and create fusion proteins.
Researchers at Michigan State University have successfully engineered a plant with oily leaves, which could boost biofuel production and improve animal feeds. The breakthrough uses an algae gene involved in oil production to store lipids or vegetable oil in the plant's leaves.
Scientists have identified a challenging parasite that impacts algae biofuel production, highlighting the need for innovative management strategies. The study provides a comprehensive understanding of the parasite's morphology, ultrastructure, and life history, laying the groundwork for sustainable solutions.
Researchers at National Oceanography Centre and New York University Abu Dhabi discovered corals can thrive at high seawater temperatures, up to 36 degrees Celsius. The study found special algae strains that facilitate this heat resistance, providing new insights into coral survival and potential for reef conservation.
Corals produce pigments that act as sunscreens for their symbiotic algae, removing harmful light and allowing the algae to photosynthesize. This mechanism helps corals survive in shallow water where sunlight can be detrimental to algae and hosts alike.
Researchers engineered blue-green algae to grow chemical precursors for fuels and plastics, a step towards replacing fossil fuels. The U.S. Department of Energy aims to obtain a quarter of industrial chemicals from biological processes by 2025.
Researchers detect volcanic carbon monoxide emissions via satellite sensors, estimating a global emission of approximately 5.5 teragrams per year. Antarctic sea ice thickness affects algae populations, with varying seasonal patterns and relationships between surface, interior, and underside layers.
Researchers have genetically engineered algae to produce a complex and expensive human therapeutic drug used to treat cancer. The method could be used to make novel complex designer drugs that can't be produced in any other systems, potentially driving down prices dramatically.
Two tiny algae, Bigelowellia natans and Guillardia theta, have complex genomes with unique genes and alternative splicing, challenging the paradigm that complex splicing is limited to multicellular organisms. The study sheds light on photosynthesis as a dynamic property and provides insights into eukaryotic evolution.
Scientists have discovered that microscopic protozoa stole genes from algae to produce energy, leading to the evolution of a new species. This process, called endosymbiosis, reveals a key moment in the history of life on Earth and may have implications for algae biofuel production.
A University of California at San Diego study has demonstrated that marine algae can produce biofuels as effectively as freshwater algae. The research opens up new possibilities for large-scale algae production using ocean water, which could provide up to 40 billion gallons of fuel annually.
Biologists at Bielefeld University have confirmed that certain algae species can draw energy from other plants by digesting cellulose, a previously thought exclusive trait of fungi and bacteria. This groundbreaking discovery has significant implications for bioenergy production.
A new study by University of Miami researchers found that too many algal symbionts can increase the severity of coral bleaching. Corals with higher ratios of algae to coral tissue bleach more severely, highlighting a real-world risk for reef ecosystems.
A new cave-dwelling reef coral species, Leptoseris troglodyta, has been discovered in the Indo-Pacific region. This species differs from its relatives by its small polyp size and lack of symbiotic algae, providing insights into coral-algal symbiosis.
Researchers at University of Guam identify new coral reef-associated alga, Rhipilia coppejansii, in Guam waters. The discovery highlights the island's underestimated marine algal diversity and its cultural significance.
A recent study found that climate change can exacerbate the negative effects of losing sensitive species, and that high biodiversity may be weaker than expected. This is particularly true for eelgrass meadows in shallow inlets, where a loss of cod and other predators can lead to an overgrowth of filamentous algae.