Marine Biology News
7th August, 2024
| Jim Crocker
How Alkaline Water Affects the Gills of River Prawns
The study reveals that alkali treatment impacts the gills of the oriental river prawn, stimulating antioxidant enzymes but damaging gills at high concentrations. Key metabolic pathways and genes were identified, offering potential for genetic improvement in aquaculture.
7th August, 2024
| Jenn Hoskins
How White Button Mushrooms Affect Skin Immunity and Gene Expression in Zebrafish
A study by Shiraz University reveals that dietary white button mushroom powder boosts the immune function of zebrafish, enhancing mucosal lysozyme activity. This suggests a potential alternative to antibiotics in aquaculture, promoting healthier fish and reducing antibiotic use.
6th August, 2024
| Jim Crocker
Boosting Tomato Plant Immunity to Wilt Disease Using Red Seaweed Extract
Recent research by Al-Azhar University reveals that Jania ethyl acetate extract (JE) effectively combats Tomato Fusarium wilt, a severe fungal disease. JE significantly reduces disease impact and enhances plant health, offering a sustainable alternative to chemical pesticides.
3rd August, 2024
| Greg Howard
Understanding How Kelp Farming Can Help Capture Carbon and Reduce Erosion
A Newcastle University study reveals that small-scale kelp farming in Cornwall captures limited carbon, suggesting its primary benefits lie in low-carbon products, job creation, and biodiversity. Further research is needed to fully understand its carbon sequestration potential.
3rd August, 2024
| Jim Crocker
How Corals Fight Disease: Microbial and Genetic Response to Harmful Bacteria
Coral reefs are under threat from diseases, but recent research highlights how coral traits, symbiotic microbes, and gene expression contribute to disease resistance. These insights could inform conservation strategies to protect and restore these vital ecosystems.
2nd August, 2024
| Jenn Hoskins
Cholera Bacteria Found in City Sewage Systems
Researchers in Denmark detected Vibrio cholerae in Copenhagen's wastewater, despite no local cases in over a century. This finding, using metagenomic analysis, underscores the importance of sensitive, ongoing pathogen surveillance in urban sewage for public health insights.
2nd August, 2024
| Greg Howard
Understanding the Genetic Makeup of Seaweed and Its Evolution
Yantai University's study on Dictyotales fills a crucial gap in brown algae genomics, revealing new evolutionary insights. By sequencing organellar genomes, researchers enhance our understanding of genetic diversity and unique adaptations in these complex coastal organisms.
2nd August, 2024
| Greg Howard
Fishing Boats Moving Northward Across the Bering Sea Shelf from 2013 to 2022
Climate change is driving a northward shift in commercial fishing in the Bering Sea, as fish populations move poleward. This study maps these changes, highlighting the need for adaptive strategies to sustain one of the world's largest fisheries.
2nd August, 2024
| Greg Howard
New Hormone Discovered That Affects Ovarian Development in Peppermint Shrimp
New research from Jimei University uncovers the role of the neuropeptide Lvit-GIH2 in the shrimp Lysmata vittata. Lvit-GIH2 inhibits ovarian development by suppressing vitellogenin and its receptor, shedding light on the complex reproductive regulation in crustaceans.
31st July, 2024
| Jenn Hoskins
Bacterial Communities and Mucus Loads in Two Wild Fish Species
A study by Sorbonne Université reveals that the external mucus microbiota of teleost fishes, specifically Sparidae, influences their susceptibility to monogenean ectoparasites. This underscores the crucial role of microbiota in host-parasite interactions and disease resistance.
31st July, 2024
| Greg Howard
Comparing Oil Production in Different Types of Microalgae
Researchers at Wageningen University found that optimizing light, temperature, and nitrogen conditions can significantly boost lipid production in microalgae strains, crucial for sustainable biofuels and health-promoting omega-3 fatty acids like EPA and DHA.
30th July, 2024
| Greg Howard
New Root-Fungus Partnership Discovered in Indo-Pacific Seagrass
A new study uncovers a unique root-fungus partnership in Indo-Pacific seagrass Thalassodendron ciliatum, hinting at fungi's role in marine ecosystems and blue carbon storage. This discovery broadens our understanding of seagrass health and coastal ecosystem functions.
25th July, 2024
| Jenn Hoskins
Genes Linked to Growth in Pacific Pearl Oysters
A study on pearl oysters reveals key genes influencing growth rates, aiding selective breeding for better commercial yields. By analyzing gene expression in fast and slow-growing oysters, researchers aim to enhance pearl oyster production through targeted genetic insights.
25th July, 2024
| Greg Howard
What Octopuses Eat When They Settle Down: Insights from DNA Analysis
Researchers from ICM-CSIC studied the diets of newly settled Octopus vulgaris in the Mediterranean, revealing a primary focus on amphipods. As these octopuses grow, their diet diversifies, showcasing an adaptive shift that aids survival and highlights their ecological role.
22nd July, 2024
| Greg Howard
Creating Eco-Friendly Food Packaging from Fish Processing By-Products
Researchers at the Federal University of Paraíba have developed biodegradable films from fish by-products that improve food packaging. These films enhance barrier, thermal, and antioxidant properties, offering a sustainable and effective solution for protecting food.
20th July, 2024
| Jim Crocker
How Birth Year and Size Affect Reproduction in Adult European Sea Bass
Researchers at Damietta University found that spawning year and female brooder weight significantly impact the reproductive performance of European sea bass. This insight could improve brood selection and enhance aquaculture practices for this valuable species.
19th July, 2024
| Jenn Hoskins
How Land-Dwelling Creatures Evolved to Breathe Air
Researchers at The University of Tokyo have uncovered how different air-breathing adaptations evolved in terrestrial isopods. By studying three species, they revealed unique developmental processes, shedding light on the evolutionary journey from aquatic to land habitats.
18th July, 2024
| Jenn Hoskins
How Water Bugs Choose Their Food and Live Together
A study from Southwestern Oklahoma State University reveals that distinct prey preferences among predatory hemipterans help maintain their coexistence in aquatic ecosystems, supporting the idea that niche differentiation stabilizes biodiversity.
18th July, 2024
| Greg Howard
Fish Trade Conceals Household Use of Biodiversity in Wild Food Systems
Cornell researchers reveal that declining biodiversity in Cambodia's Tonlé Sap impacts household food security. Households consume 43% of species caught, selling just 9%. The study underscores the need for sustainable diets to support both human and planetary health.
16th July, 2024
| Greg Howard
Understanding Nickel Balance in Microorganisms Through Genomic Analysis
Recent research reveals cable bacteria's unique ability to transport electrons over long distances, thanks to a novel nickel-containing cofactor. This discovery highlights their crucial role in sediment biogeochemistry and potential for bioelectronic applications.
14th July, 2024
| Greg Howard
Factors Influencing Resting Behavior of Non-Breeding Seals in Antarctica
A University of Canterbury study reveals how weather factors like air temperature and wind speed affect Weddell seals' haulout behavior, improving satellite-based population estimates and aiding in the management of marine resources amid climate change impacts.
14th July, 2024
| Jenn Hoskins
Distribution and Community Formation of Microbes in Mangrove Sediments
Researchers at Shenzhen University have unveiled new insights into Myxococcota, micro-predators that play crucial roles in microbial ecosystems. Their study highlights Myxococcota's diverse habitats, predatory behaviors, and potential for novel antibiotic discovery.
14th July, 2024
| Jim Crocker
New Deep-Sea Species and Its Complete Genetic Blueprint and Evolutionary Study
The discovery of a new sea cucumber species in the deep Pacific by the First Institute of Oceanography offers fresh insights into deep-sea biodiversity. Genomic analysis reveals unique adaptations to extreme conditions, challenging our understanding of these remote ecosystems.
13th July, 2024
| Jim Crocker
Using Sound Tracking to Help Manage Basking Shark Populations
Queen's University Belfast's study using acoustic telemetry reveals detailed migratory patterns of basking sharks in Ireland and Scotland, highlighting the importance of international collaboration for effective conservation of these highly mobile marine species.
13th July, 2024
| Jenn Hoskins
Growing Coastal Marine Microalgae in Wastewater from a Salmon Farming System
A University of Agder study shows microalgae can thrive in aquaculture wastewater, effectively removing nutrients like nitrate and phosphate. This sustainable approach enhances waste management in fish farming and supports a circular bioeconomy in aquaculture.
12th July, 2024
| Jim Crocker
How Water Clarity Affects Feeding and Survival of Young European Smelt
A study by the Thünen Institute reveals that European smelt larvae thrive at moderate turbidity levels (100-200 NTU) but suffer at high levels (300+ NTU). These findings can guide conservation efforts to manage smelt populations in turbid rivers affected by human activities.
12th July, 2024
| Jim Crocker
How Genome-wide Study of DNA Markers Helps Find Key Gene Control Areas in Fish
New research from the National Institute of Genetics reveals how non-coding DNA regions, known as cis-regulatory elements, drive evolution. Using advanced techniques, scientists mapped these regions to uncover how gene regulation evolves, offering fresh insights into adaptation.
12th July, 2024
| Jim Crocker
New Sightings of Two Jellyfish Species in the Northwest Mediterranean Coast
Jellyfish blooms are increasingly impacting coastal economies and environments. A study by Beijing Forestry University documents new jellyfish species in the Moroccan Mediterranean, emphasizing the need for ongoing research and innovative solutions to manage these outbreaks.
11th July, 2024
| Jim Crocker
Fish Choosing Their Own Alternative Diets
A study from Universidad de Murcia reveals that Nile tilapia prefer a diet with alternative ingredients, while gilthead seabream show no strong preference. This shift towards considering fish preferences may lead to more ethical and sustainable aquaculture practices.
8th July, 2024
| Jenn Hoskins
How Mediterranean Sponges React to Friendly Microbes
Recent research reveals how sponges use sophisticated immune receptors to differentiate between symbiotic and non-symbiotic microbes, ensuring beneficial relationships and maintaining homeostasis. This underscores the vital role of microbes in animal development and physiology.
8th July, 2024
| Jenn Hoskins
First Observations of Mating Behavior and Sounds in Wild Leopard Seals
Baylor University's study unveils the first wild courtship of leopard seals in South America, highlighting distinct male and female behaviors and complex vocalizations. This research deepens our understanding of their mating rituals and the role of vocal communication.
8th July, 2024
| Greg Howard
Dietary Fats and Astaxanthin Impact the Color of Arctic Fish
Optimizing astaxanthin and dietary lipids can significantly enhance the red pigmentation of Arctic charr, boosting their market appeal and nutritional value. Memorial University’s study reveals how these dietary tweaks can improve fish quality, aligning with consumer preferences.
7th July, 2024
| Jenn Hoskins
Size Differences in Freshwater Prawn Claws Found in Lake and River System
Freshwater prawns, especially Macrobrachium vollenhovenii, show promise in fighting schistosomiasis and providing protein in West Africa. A study reveals genetic differences among claw types, aiding precise aquaculture practices for sustainable use and disease control.
7th July, 2024
| Jenn Hoskins
Preparing Green-Lipped Mussels for Live Transport by Slowing Their Metabolism
The University of Auckland found that using magnesium chloride to relax Green-lipped mussels disrupts their metabolism, indicating stress. This calls for careful anesthetic use in research and aquaculture to ensure accurate results and animal welfare.
7th July, 2024
| Jenn Hoskins
Elemental Composition and Health Risk of Deep-Sea Fish in the Levantine Basin
A study by Mersin University found varying levels of metal contamination in deep-sea fish from Mersin Bay, with arsenic posing the highest health risk. Continuous monitoring is essential to ensure seafood safety.
7th July, 2024
| Jenn Hoskins
DNA Analysis Shows Diverse Diets of Arctic Seabirds
Researchers from Wageningen University used DNA-metabarcoding to study Arctic seabird diets, revealing a rich diversity of prey and highlighting the method's potential for cost-effective, non-invasive monitoring of environmental changes impacting marine ecosystems.
6th July, 2024
| Greg Howard
Species Composition and Genetic Connectivity of Deep Fjord Bivalves
Thyasirid bivalves in fjord basins show distinct genetic clusters due to limited gene flow and local adaptation. This study reveals how fjord's unique habitats shape benthic species' ecology, offering insights for conservation and environmental monitoring.
6th July, 2024
| Jenn Hoskins
Unlocking Plant Growth Secrets: Study of a Helpful Bacterium from Mangrove Trees
A study by King Abdullah University reveals that the halophilic bacterium Tritonibacter mobilis AK171 can boost plant growth in salty conditions, offering a sustainable solution to freshwater scarcity in agriculture through microbial symbiosis and stress tolerance.
4th July, 2024
| Greg Howard
Comprehensive Study of Immune Genes and Antibody Diversity in Atlantic Cod
Researchers at the University of Oslo have uncovered how the Atlantic cod mounts an effective immune response despite lacking a key pathway found in most vertebrates. This study highlights the adaptability of immune systems and could inform new disease management strategies.
4th July, 2024
| Greg Howard
Understanding Ecosystem Changes Over Time Using Historical Squid Beaks
A study by GEOMAR reveals how climate change impacts Arctic marine ecosystems by analyzing stable isotopes in squid bodies from 1844-2023. These short-living mesopredators show rapid adaptation to environmental shifts, offering fresh insights into ecosystem changes.
4th July, 2024
| Jim Crocker
How Captivity and Natural Habitats Affect Gut Health in Fish Throughout the Year
Recent research from Xiamen University reveals that wild red-spotted groupers have a more diverse and stable gut microbiota than captive ones, influenced by natural diets and seasonal changes. This insight could optimize aquaculture practices for healthier, more productive fish.
4th July, 2024
| Jenn Hoskins
Genomic Study of Piscicolin CM22 from Bacteria Found in Salmon
Antibiotic resistance is rising, but a new lactic acid bacteria strain from salmon gut, producing bacteriocin piscicolin CM22, shows promise. Effective against key Gram-positive pathogens, it offers potential for food safety and reducing reliance on traditional antibiotics.
3rd July, 2024
| Jenn Hoskins
Boosting Seaweed Growth with a Two-Kelp Strategy
Interest in kelp farming is shifting towards bioplastics, requiring large biomass yields. A study showed that growing two kelp species together can optimize space and boost production, offering a promising approach for sustainable large-scale kelp farming.
3rd July, 2024
| Jim Crocker
How Oxygen-Using Bacteria Survive Low Oxygen in Methane-Producing Lake Sediments
Researchers from Ben-Gurion University discovered that aerobic methanotrophs can adapt to low-oxygen conditions in Lake Kinneret. This adaptability, driven by specific genes, broadens our understanding of methane oxidation and its role in controlling greenhouse gas emissions.
2nd July, 2024
| Jim Crocker
How a Plant-Rich Diet Affects Gut Health and Metabolism at Different Life Stages
The University of Aberdeen's study reveals that early exposure to plant-based diets in Atlantic salmon can sustain growth and modulate gut microbiota, supporting the shift towards sustainable aquaculture by reducing reliance on marine ingredients.
29th June, 2024
| Jim Crocker
Life in Mangroves: A Cooperative Microbiome Revealing Hidden Resources
Mangroves are vital for carbon sequestration and nutrient cycling. A new study reveals how microbial communities in these ecosystems interact metabolically, highlighting their roles in carbon, nitrogen, and sulfur cycles. These insights could enhance bioremediation strategies.
27th June, 2024
| Jenn Hoskins
Understanding Marine Turtle Tumors and Viruses: A Comprehensive Health Review
A study by Universidad Autónoma de Baja California Sur reveals a rise in fibropapillomatosis (FP) and its associated virus in marine turtles in North-western Mexico over the past decade, linking the increase to environmental stressors like pollution and climate change.
26th June, 2024
| Greg Howard
How Bile Salts Affect Intestinal Health
A study on gilthead sea bream shows that bile salts aid nutrient absorption but high concentrations may harm intestinal health. Findings highlight the need for balanced bile salt use in fish diets to optimize aquaculture practices.
26th June, 2024
| Jenn Hoskins
How Ocean Acidification Affects the Nervous System and Behavior of Marine Life
James Cook University research reveals how marine invertebrates' nervous systems respond to ocean acidification, highlighting the role of GABA receptors in behavioral changes. These insights are crucial for predicting ecological impacts and informing conservation strategies.
22nd June, 2024
| Jenn Hoskins
How Activity Levels Affect Body Temperature in Captive Dolphins
Researchers at The University of Tokyo found that cetaceans, like the Risso’s dolphin, regulate body heat through a combination of muscle metabolism and blubber insulation. Increased activity raises muscle temperature, aiding thermoregulation, while blubber minimizes heat loss.
21st June, 2024
| Jim Crocker
Boosting Algae Growth and Healthy Fats Using Filtered Whey
University College Dublin researchers found that nano-filtered whey permeate, a dairy by-product, can sustainably grow the microalga Nannochloropsis oceanica. This method efficiently produces valuable omega-3 fatty acids, while also addressing waste management issues.
18th June, 2024
| Greg Howard
Discovering the Hidden Potential of an Arctic Marine Fungus for Medicine
Recent research by Zhejiang University reveals the biosynthetic potential of Arctic marine fungus Aspergillus sydowii MNP-2, uncovering novel bioactive compounds. This study underscores polar regions' microbial diversity and their promise in developing new therapeutic agents.
18th June, 2024
| Jim Crocker
How Different Parasites Affect Snail Genes and Lead to Reproductive Issues
Researchers at the University of New Mexico have used advanced genomics to study how Biomphalaria snails, vectors for schistosomiasis, respond to parasitic infections. This insight into their immune and reproductive systems may lead to innovative disease control strategies.
15th June, 2024
| Greg Howard
Environmental Factors Affecting Metal Levels in Atlantic Mackerel
A study by the University of La Laguna found varying heavy metal levels in mackerel around the Canary Islands, linked to human activity and natural phenomena. This highlights the need for targeted pollution control and monitoring to protect ecosystems and food safety.
14th June, 2024
| Jenn Hoskins
Ocean Floor Colonization by Jawless Animals Through Three Mass Extinctions
Yale researchers reveal that hagfishes, ancient jawless vertebrates, share deep evolutionary ties with other marine vertebrates, affirming that the deep ocean floor acts as a biodiversity refuge. Key genetic adaptations help hagfishes thrive in these unique environments.
14th June, 2024
| Jenn Hoskins
Seabirds Stick to Favorite Spots but Adapt When They Find New Information
Researchers at Bush Estate reveal how animals' loyalty to specific foraging spots can be both beneficial and costly. Their study shows that while some species stick to familiar areas, others adapt based on environmental changes, impacting survival and conservation strategies.
12th June, 2024
| Jim Crocker
Seasonal Movements of European Sea Bass in Local Waters
A Cefas study tagged and tracked 171 mature sea bass in UK waters, revealing their seasonal migrations and habitat use. The findings show distinct movement patterns and suggest extensive regional connectivity, aiding in the sustainable management of sea bass stocks.
12th June, 2024
| Jim Crocker
Salinity Effects on Protein Modifications in Fish Gills and Reproductive Organs
Environmental stress alters histone proteins in Mozambique tilapia, affecting gene expression in gills, kidneys, and testes. This study shows how specific histone modifications help organisms adapt to changing salinity, highlighting epigenetic roles in survival and evolution.
12th June, 2024
| Jim Crocker
Gene Activity Study of Japanese Eel During Larval Metamorphosis
Recent advancements in rearing techniques have allowed researchers to study the metamorphosis of Japanese eels. They discovered that thyroid hormones drive significant genetic changes, revealing the roles of retinoic acid signaling and phototransduction in this complex process.
11th June, 2024
| Jim Crocker
How Deep Ocean Conditions Shape Coral Microbiomes
A study by Lehigh University reveals significant variability in the microbiomes of deep-sea corals, influenced by environmental factors and coral genotypes. Understanding these microbial communities is crucial for coral health and conservation.
8th June, 2024
| Jenn Hoskins
Boosting Immune Responses and Health in Shrimp with Cinnamon Leaf Extract
Researchers found that Cinnamomum osmophloeum leaf extract boosts the immune response and disease resistance in white shrimp. Feeding shrimp with this extract enhances their ability to fight off pathogens, offering a natural alternative to traditional treatments in aquaculture.
8th June, 2024
| Greg Howard
Ecological Dynamics and Conservation of Indo-Pacific Tarpon in Lake Siombak
A study on Indo-Pacific Tarpon in Lake Siombak, Indonesia, reveals a male-dominated population with immature females, moderate growth, and omnivorous diet. Overexploitation threatens sustainability, urging immediate regulatory action to safeguard this vital aquatic ecosystem.
6th June, 2024
| Greg Howard
High-Density Genetic Map and Sex-Determination Genes in Pacific White Shrimp
A study by São Paulo State University has created detailed genetic maps for Pacific white shrimp, identifying regions linked to sex determination. This breakthrough aids selective breeding, promising improved growth, disease resistance, and efficient shrimp farming.
6th June, 2024
| Jim Crocker
Understanding Salt-Related Genes in the Leaves of Mangrove Trees
Recent research reveals that specific long non-coding RNAs (lncRNAs) in Avicennia marina leaves help the mangrove thrive in salty environments. These lncRNAs regulate metabolic and physiological processes, enhancing the plant's salt stress response and resilience.
6th June, 2024
| Greg Howard
New Insights into How Tiny Algae Make Their Silica Shells
The draft genome of Nitzschia closterium f. minutissima reveals its evolutionary traits and molecular processes in silica cell wall formation. This research enhances understanding of diatom biology and their potential applications in nanotechnology and biomedicine.
6th June, 2024
| Jenn Hoskins
Why Lake-Wetland Areas Are Crucial for a Strong Walleye Fish Population
Wetlands play a crucial role in supporting diverse prey communities, benefiting predator species like Walleye. This study highlights the importance of wetland reconnection for maintaining healthy fisheries and enhancing ecological resilience.
