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Categories: Biology: Biotechnology, Ecology: Sea Life

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Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Developmental Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular
Published

How macrophages regulate regenerative healing in spiny mice      (via sciencedaily.com)     Original source 

A team of researchers is delving deeper into the science behind how spiny mice can regenerate lost tissue and using what they learn to trigger regeneration in other types of mice -- advances which one day may be translated into humans. Whereas adult laboratory mice heal injuries with scar tissue, spiny mice have the unique ability to regrow lost skin and regenerate musculoskeletal tissues in their body.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular
Published

How does HIV get into the cell's cenetr to kickstart infection?      (via sciencedaily.com)     Original source 

UNSW Sydney medical scientists have cracked a mystery whose solution has long eluded researchers. UNSW Sydney medical scientists have cracked a mystery whose solution has long eluded researchers.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Zoology Ecology: Endangered Species Ecology: Invasive Species Ecology: Nature Environmental: Water
Published

Sparrows uniquely adapted to Bay Area marshes are losing their uniqueness      (via sciencedaily.com)     Original source 

How does loss of habitat affect the animals still living there? A genetic study of saltwater-adapted Savannah sparrows around the San Francisco Bay Area shows that the 90% loss of tidal marsh habitat has led to more interbreeding with freshwater-adapted Savannah sparrows, diminishing their genetic adaptation to saltwater, such as enlarged kidneys and larger beak. This could lessen their ability to live in a saltwater habitat.

Biology: Marine Biology: Zoology Ecology: Endangered Species Ecology: General Ecology: Nature Ecology: Research Ecology: Sea Life Environmental: Ecosystems Environmental: General Geoscience: Environmental Issues Geoscience: Oceanography
Published

Microplastics may be accumulating rapidly in endangered Galápagos penguins' food web      (via sciencedaily.com)     Original source 

Model predictions showed a rapid increase in microplastic accumulation and contamination across the penguins' prey organisms resulting in Galapagos penguin showing the highest level of microplastics per biomass, followed by barracuda, anchovy, sardine, herring, and predatory zooplankton.

Biology: Biochemistry Biology: Marine Ecology: Sea Life Environmental: General Geoscience: Environmental Issues
Published

Humpback whales move daytime singing offshore      (via sciencedaily.com)     Original source 

New research revealed a daily pattern wherein humpback whales move their singing away from shore throughout the day and return to the nearshore in the evening.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Chemistry: Biochemistry
Published

Innovative microscopy technique reveals secrets of lipid synthesis inside cells      (via sciencedaily.com)     Original source 

Researchers have made a pivotal discovery in the field of cellular microscopy. The team has successfully developed Two-Color Infrared Photothermal Microscopy (2C-IPM), a novel technology designed to investigate neutral lipids within lipid droplets of living cells. This new microscopy can be used with isotope labeling, which allows for the detailed monitoring of neutral lipid synthesis within individual lipid droplets.

Biology: Biochemistry Biology: Biotechnology Biology: General Biology: Microbiology
Published

Syphilis-like diseases were widespread in Americas before arrival of Columbus, researchers find      (via sciencedaily.com)     Original source 

Researchers have discovered the genetic material of the pathogen Treponema pallidum in the bones of people who died in Brazil 2,000 years ago. This is the oldest verified discovery of this pathogen thus far, and it proves that humans were suffering from diseases akin to syphilis -- known as treponematoses -- long before Columbus's discovery of America. The new findings call into question previous theories concerning the spread of syphilis by the Spanish conquistadors.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Chemistry: Biochemistry Chemistry: General Chemistry: Organic Chemistry Ecology: Endangered Species Environmental: General Geoscience: Environmental Issues Geoscience: Geochemistry
Published

New study unveils how plants control the production of reactive oxygen species      (via sciencedaily.com)     Original source 

Reactive oxygen species (ROS), though generally regarded as toxic byproducts of biological processes, serve many important functions in plants. However, the precise mechanism that plants use to regulate the production of ROS remains elusive. In a recent study, researchers clarified how an important ROS-generating enzyme is activated, revealing mechanisms likely conserved across all land plants. Their findings could pave the way for breakthroughs in agricultural and environmental remediation tools.

Biology: General Biology: Marine Biology: Zoology Ecology: Sea Life Environmental: Ecosystems Geoscience: Geography Geoscience: Oceanography
Published

Marine heat waves trigger shift in hatch dates and early growth of Pacific cod      (via sciencedaily.com)     Original source 

Marine heat waves appear to trigger earlier reproduction, high mortality in early life stages and fewer surviving juvenile Pacific cod in the Gulf of Alaska, a new study shows. These changes in the hatch cycle and early growth patterns persisted in years following the marine heat waves, which could have implications for the future of Gulf of Alaska Pacific cod, an economically and culturally significant species.

Biology: Marine Biology: Zoology Ecology: Sea Life
Published

Don't blame the sharks: Why more hooked tarpon are being eaten      (via sciencedaily.com)     Original source 

In wave-making research, a team of biologists has quantified the rate at which great hammerhead sharks are eating Atlantic tarpon hooked by anglers at Bahia Honda, Florida -- one of the prime tarpon fishing spots in the Florida Keys.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Molecular
Published

Tiny worm, giant leap: Discovery of highly specific fatty acid attachment to proteins      (via sciencedaily.com)     Original source 

In a world where the intricacies of molecular biology often seem as vast and mysterious as the cosmos, a new groundbreaking study delves into the microscopic universe of proteins, unveiling a fascinating aspect of their existence. This revelation could hold profound implications for the understanding and treatment of a myriad of human diseases.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Biology: Molecular Environmental: General Geoscience: Geochemistry
Published

Don't overeat: How archaea toggle the nitrogen-uptake switch      (via sciencedaily.com)     Original source 

By tightly regulating nitrogen uptake, microorganisms avoid overeating nitrogen and thus wasting energy. Scientists now reveal how some methanogenic archaea manage to do so.

Biology: Marine Ecology: Extinction Ecology: Sea Life Offbeat: General Offbeat: Paleontology and Archeology Offbeat: Plants and Animals Paleontology: Fossils Paleontology: General
Published

The megalodon was less mega than previously believed      (via sciencedaily.com)     Original source 

A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was more slender than earlier studies suggested. This finding changes scientists' understanding of Megalodon behavior, ancient ocean life, and why the sharks went extinct.

Biology: Marine Ecology: Endangered Species Ecology: Extinction Ecology: Nature Ecology: Sea Life Environmental: Ecosystems Environmental: General Geoscience: Geography Geoscience: Oceanography Offbeat: Earth and Climate Offbeat: General Offbeat: Plants and Animals
Published

Sea otters helped prevent widespread California kelp forest declines over the past century      (via sciencedaily.com)     Original source 

The study reveals dramatic regional kelp canopy changes along the California coast over a 100-year period. During this time there was a significant increase in kelp forest canopy along the central coast, the only region of California where southern sea otters survived after being hunted nearly to extinction for their fur in the 1800s. Contrastingly, kelp canopy decreased in northern and southern regions. At the century scale, the species' favorable impact on kelp forests along the central coast nearly compensated for the kelp losses along both northern and southern California resulting in only a slight overall decline statewide during this period.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Developmental Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular
Published

DNA construction led to unexpected discovery of important cell function      (via sciencedaily.com)     Original source 

Researchers have used DNA origami, the art of folding DNA into desired structures, to show how an important cell receptor can be activated in a previously unknown way. The result opens new avenues for understanding how the Notch signalling pathway works and how it is involved in several serious diseases.