All Marine Science articles
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NewsMarine compound shows promise against deadly brain-eating amoeba
A compound isolated from a marine bacterium may offer a faster way to attack Naegleria fowleri, the amoeba responsible for one of the deadliest known brain infections. In laboratory tests, rutamycin B reached full potency within four hours and was far more toxic to the parasite than to human cells.
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NewsReview probes marine host-microbe symbioses - and what they mean for conservation
A new review casts new light on what the ocean can tell us about the partnership between animals and microbes. Almost every marine organism, from corals and sponges to squid, fish, deep-sea mussels and seagrasses, lives as a holobiont: a host together with the bacteria, archaea, microscopic eukaryotes and viruses it carries.
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NewsScientists discover a way to reverse coral bleaching at record speed
For the first time, scientists have observed bleached corals on the brink of death fully recover through brief contact with healthy clones. Ghostly white corals returned to full health in a laboratory setting within seven weeks, the fastest documented recovery to date, according to a study.
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NewsCoral heat tolerance depends on species and location
Not all corals cope with rising ocean temperatures in the same way. New research shows that heat tolerance can vary sharply between species and even between nearby populations, with some corals from cooler, more exposed reefs proving unexpectedly resilient to thermal stress.
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NewsBacteria DNA has evolved to withstand copper
Marine bacteria have evolved to bypass the copper-based coatings placed under ships to stop the growth of barnacles, algae, and other marine life. This necessitates new methods for managing biofouling — the unwanted accumulation of marine organisms — on ship hulls.
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NewsTiny marine microbe sheds new light on how little genetic machinery a cell needs to survive
Scientists have discovered a previously unknown microorganism, which has the smallest genome ever found, that is possibly able to replicate and express its own genetic information. Candidatus Sukunaarchaeum mirabile belongs to the archaea, a group of single-celled organisms that are fundamentally different to bacteria.
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NewsThe gooier marine snow is, the better it is at transporting carbon, new study finds
Scientists have revealed that the viscosity of marine snow can have a major impact on how quickly it’s broken down and how far it sinks, factors that influence how much carbon it transports to the deep ocean. They found that gooey marine snow can shuttle more than six times the carbon to the deep ocean than less viscous particles.
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NewsHow deep-sea clams and bacteria survive shifting energy supplies
Deep-sea clams living at cold seeps survive in an environment where their main energy source can rise and fall dramatically. New research shows that the clams and their bacterial partners respond together, switching metabolic pathways, adjusting symbiont populations and reallocating resources to remain stable under changing conditions.
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NewsTiny marine worms shop around for bacterial partners
Like shoppers wandering between market stalls, tiny gutless marine worms appear to pick and change the bacterial partners they depend on for survival. A new study suggests this flexibility may help the worms tap into different sources of food and energy and adapt to changing environments.
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NewsTiny organisms play a big role in transporting carbon to the depths of the Baltic Sea
Tiny photosynthetic organisms in the Baltic Sea can contribute substantially to the transport of carbon from surface waters to deeper parts of the sea. A new study shows that their ability to form colonies and aggregates is an important factor determining how much of their biomass sinks.
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NewsWarmer oceans and increasing disease put coral reefs at risk
Disease and heat pose a deadly combination for coral reefs, according to a new study. Previous research has shown that heat stress can increase disease and kill coral. But the new paper found that corals with preexisting disease conditions were particularly vulnerable.
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NewsNew insights into coral reproductivity could help protect our reefs
Scientists have uncovered an important missing piece in the puzzle of how some coral reefs can recover from climate events, providing critical information that could help guide future conservation and restoration efforts.
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NewsCurrents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton
Documenting the seasonal fate of these tiny marine organisms is a step toward understanding how ecosystems in the world’s fastest-warming region may change as ice recedes.
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NewsNew form of plastic pollution discovered on the shores of vulnerable coral reefs
‘Plasticorals’, coral rubble fused with plastic, are long-lasting reminders of human activity and highlight a potential threat to critical marine environments. a new study shows.
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NewsNovel database reveals hidden diversity and potential of deep-sea microbes
Scientists have spearheaded Global Ocean Reference Genomes Dark (GORG-Dark), the first global atlas of single-cell microbes living in the aphotic ocean. It contains more than 9,600 genomes from individual microbial cells collected across a broad range of depths and locations, including the Mariana Trench and the Antarctic.
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NewsThat sinking feeling: Testing for ocean health and carbon storage
Our oceans are in trouble and new research shows how changes in diatoms could further undermine the foundation of aquatic life’s food webs – as well as vital deep-sea carbon capture or sequestration.
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NewsUnder pressure: How a deep-sea protein adapts to an extreme environment
Researchers have uncovered a molecular strategy that enables a deep-sea protein to remain stable under extreme pressure. As pressure increases, the protein assembles into groups of three, called a trimeric structure, and stabilizes itself through a process known as oligomerization-mediated structural stabilization.
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NewsFertilizers and extreme heat are damaging coral reefs in the Gulf of Mexico
Scientists analyzing nitrogen isotopes in the calcareous skeletons of corals have discovered that the high levels of nitrogen in the northern Gulf originate from the Mississippi River and are attributable to the use of fertilizers.
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NewsApplied Microbiology International announces new president, Professor Raquel Peixoto
Applied Microbiology International is delighted to announce that Professor Raquel Peixoto will be taking over the reins from Professor Jack Gilbert as President.
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NewsArchaea as “flexitarians”: Ammonia-oxidizing microbes also feed on amino acids
Symbiotic ammonia-oxidizing archaea in marine sponges are not strict specialists, but true “flexitarians”. Research has shown that these microbes dine not only on ammonia but also on amino acids - and presumably do that to communicate with their animal host.