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Published

Researchers make breakthrough in understanding species abundance      (via sciencedaily.com)     Original source 

The key finding was that temperature and genome size, not body size, had the greatest influence on the maximum population growth rate of the diatoms. Yet body size still mattered in colder latitudes, conserving Bermann's Rule.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General
Published

Researchers crack a key celiac mystery      (via sciencedaily.com)     Original source 

An interdisciplinary team of medical and engineering researchers has spent the last six years working to unlock a significant piece of the puzzle in the search for a cure: how and where the gluten response begins.

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

Microscopy technique 'paves way' for improving understanding of cellular functions      (via sciencedaily.com)     Original source 

Scientists have developed a new way of counting labelled proteins in living cells that could become a standard and valuable tool in the field of biomedical research.

Biology: General Biology: Microbiology
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Recurrent wheezing in children linked to 'silent' viral infections      (via sciencedaily.com)     Original source 

Nearly a quarter of children with recurrent wheezing have 'silent' lung infections that would be better treated with antiviral medications than commonly prescribed steroids that can carry lifelong side effects, new research reveals.

Biology: Biochemistry Biology: Biotechnology Biology: Evolutionary Biology: General Biology: Genetics Environmental: Ecosystems
Published

Mix of factors prompts owl monkeys to leave their parents      (via sciencedaily.com)     Original source 

There comes a point in the lives of young owl monkeys when they leave their parents and strike out on their own to find a mate. In a new study of a wild population of Azara's owl monkeys in northern Argentina, researchers reveal that a combination of social and ecological factors influences when these tree-dwelling monkeys peel away from their parents and siblings. According to their findings -- which were based on 25 years of genetic and demographic data for several generations of owl monkeys, covering more than 330 individuals -- none of the individuals, regardless of their sex, reproduced in the same group where they were born. In all cases, the researchers found, the animals either departed from their natal group or died before reproducing.

Biology: Botany Biology: General Biology: Microbiology
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Asthma emergencies spike when allergenic pollen blooms      (via sciencedaily.com)     Original source 

A new study that tracks how many asthma-related emergency room visits result from pollen in metropolitan areas highlights the importance of knowing local plants and the need for developing science-based pollen forecasts.

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

Viral defense protein speeds up female stem cell production      (via sciencedaily.com)     Original source 

A viral defense mechanism can be used to accelerate the creation of female stem cell lines in mice. The findings can boost efforts in medical research, drug testing, and regenerative therapies, particularly for women and individuals with two X chromosomes.

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

Do smells prime our gut to fight off infection?      (via sciencedaily.com)     Original source 

In nematodes and humans, mitochondrial stress in the nervous system initiates a whole-body response that is most pronounced in the gut. A recent study showed that in nematodes, the odor of a pathogen triggers the nervous system to broadcast this response to the rest of the organism, prepping mitochondria in intestinal cells to fight a bacterial infection. Humans, too, may be able to sense pathogenic odors that prepare the gut for an infection.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Microbiology
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Cocaine discovery could pave way for treatment for substance abuse      (via sciencedaily.com)     Original source 

Cocaine binds to a specific transporter in the brain that is responsible for regulating dopamine levels. Researchers have studied and described the process, producing new knowledge that may bring us a step closer to designing a drug for cocaine abuse.

Biology: Microbiology
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Bacterial gut diversity improves the athletic performance of racehorses      (via sciencedaily.com)     Original source 

The composition of gut bacteria of Thoroughbred racehorses at one-month-old can predict their future athletic performance, according to a new study. Foals with lower bacterial diversity at 28 days old also had a significantly increased risk of respiratory disease later in life.

Biology: Biochemistry Biology: General Biology: Microbiology
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Nasal microbiome: Depriving multi-resistant 'bugs' of iron      (via sciencedaily.com)     Original source 

Whether dangerous staphylococci survive in the nose depends on what other bacteria are present -- and how they obtain iron.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Biology: Zoology Ecology: Nature Environmental: Biodiversity
Published

Elephants on the move: Mapping connections across African landscapes      (via sciencedaily.com)     Original source 

Elephant conservation is a major priority in southern Africa, but habitat loss and urbanization mean the far-ranging pachyderms are increasingly restricted to protected areas like game reserves. The risk? Contained populations could become genetically isolated over time, making elephants more vulnerable to disease and environmental change.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: Evolutionary Biology: General Biology: Genetics Biology: Zoology
Published

Researchers find gene which determines marsupial fur color      (via sciencedaily.com)     Original source 

Fur is a defining characteristic of mammals, coming in a wide variety of colors and patterns -- thanks to a world-first study, we now know which genes make a marsupial's coat black or grey.

Biology: Cell Biology Biology: General Biology: Microbiology
Published

Ketogenic Diet may reduce friendly gut bacteria and raise cholesterol levels      (via sciencedaily.com)     Original source 

A study reveals that ketogenic low-carbohydrate diets can increase cholesterol levels and reduce beneficial gut bacteria, specifically Bifidobacterium.

Biology: Biochemistry Biology: Biotechnology Biology: Botany Biology: Genetics Biology: Microbiology
Published

Study analyzes potato-pathogen 'arms race' after Irish famine      (via sciencedaily.com)     Original source 

Researchers reveal more about the tit-for-tat evolutionary changes occurring in both potato plants and the pathogen that caused the 1840s Irish potato famine.