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Tag: "revealed" at biology news

Red flag for repetitive stress injuries identified for first time in humans

...s for evidence of biomarkers. "The blood tests revealed significant levels of several types of inflammatory mediators ?biomarkers ?which signaled an underlying problem," said Barr. "Also, the more severe the injury, the more biomarkers there were." Future research by the team will look deeper into the ...

Researchers identify gene involved in dog size

...veral small and large canine breeds. This analysis revealed that differences in dog body size appeared to be associated with minute genetic variations, referred to as single nucleotide polymorphisms (SNPs), in the IGF-1 gene. Researchers then narrowed the field of SNPs associated with small size by SNP genoty...

Researchers learn what sparks plant growth

A secret long held by plants has been revealed by Howard Hughes Medical Institute researchers. The new discovery, which builds on more than a decade of painstaking surveillance of cellular communication between different types of plant tissues, shows clearly for the first time how plants "decide"...

Human's ecological footprint in 2015 and Amazonia revealed

...ruary issue of Frontiers, researchers review newly revealed changes in the Amazon rainforests and the ecosystem services they provide. The Amazon Basin is one of the world's most important bioregions, harboring rich array of plant and animal species and offering a wealth of goods and services to society. ...

New details on how the immune system recognizes influenza

... effective a new vaccine will be. Other analyses revealed major gaps in scientists' knowledge about influenza viruses. Of the 600 epitopes in the database, for instance, very few were from strains of H5N1 avian influenza. And even though the database contains epitopes from all the influenza virus' proteins,...

Tracking sperm whales and jumbo squid

...their food." Stressed squid The study also revealed that the squid often made rapid nighttime dives from the surface to deeper waters preferred by whales. "One reason squid may be going down there at night is because water near the surface is really warm—up to 82 F—and they may be getting stressed," G...

NT researchers discover breakthrough in malaria treatment

...ies School of Health Research (MSHR) in Darwin has revealed a breakthrough in the battle to treat Malaria ?a disease which effects 40 per cent of the worlds population. There are two major strains of malaria effecting humans, P. vivax and P. falciparum. Although attention focuses on the more virulent P. fal...

How appetite-stimulating brain cells work overtime during fasting

... that keep those neurons active. The researchers revealed a link between active thyroid hormone in the brain and increases in an "uncoupling" protein (UCP2) that boosts the number of power-generating mitochondria in neurons that drive hunger. The increase in mitochondria, in turn, allows the brain's hunger ...

Loss of a universal tRNA feature reported

...up. Examination of the corrected tRNAHis sequences revealed that a group of alphaproteobacteria fails to encode a G (guanylate) at the -1 position of the tRNA as all other bacteria do. Amplification and tRNA sequencing approaches were used to confirm the findings. Sinorhizobium meliloti and Caulobacter cre...

Lithium builds gray matter in bipolar brains, UCLA study shows

...een used before to study bipolar patients. We also revealed how commonly used medications affect the bipolar brain." Although other studies have measured increases in the overall volume of the brain, Bearden said, this imaging method allowed the researchers to see exactly which brain regions were affected...

McBride shows DNA detective work with paper-eating bacteria that 'glide'

...have potential uses in bioenergy. The genome has revealed surprises, he says. "Microorganisms typically require two kinds of enzymes to efficiently break down cellulose," he says. "One type cuts the long carbohydrate molecule through the middle, while another chews small pieces from the ends." Not so w...

Misclassified for centuries, medicinal leeches found to be 3 distinct species

Genetic research has revealed that commercially available medicinal leeches used around the world in biomedical research and postoperative care have been misclassified for centuries. Until now, the leeches were assumed to be the species Hirudo medicinalis, but new research reveal...

A genetic 'gang of 4' drives spread of breast cancer

...c analysis of blood vessel structure in the tumors revealed that knocking down all four genes greatly reduced ...sels typically seen in tumors. Further experiments revealed that the tumor blood vessels that did form allowed fewer cancer cells to escape into circulation. ...

Anti-wrinkle compound causes pathological reaction in skin cells

... In vitro tests conducted by Dr. Marceau’s team revealed that the application of DMAE induces a quick and spectacular swelling of skin cell vacuoles called fibroblasts, which act as reservoirs and interface between the inside and the outside of the cell. In the hours following the application of DMAE, t...

Newborn brains grow vision and movement regions first

...n development," Gilmore said. However, the scans revealed that brain asymmetry -- or which side of the brain is larger -- was opposite in newborns and adults. In adults, the right side of the brain is usually slightly larger than the left side. Gilmore and his collaborators found the left side was slightly ...

Research finds music training 'tunes' human auditory system

...h studies by Kraus and her research team that have revealed anomalies in brainstem sound encoding in some children with learning disabilities which can be improved by auditory training. "We've found that by playing music -- an action thought of as a function of the neocortex -- a person may actually be tu...

Gene elevating breast cancer risk also causes prostate cancer

...s of Finnish breast cancer individuals. This study revealed 18 mutation-positive individuals, about one per cent of the studied patients, most of whom turned out to have a familial pattern of disease development. The study also involved 141 unselected male breast cancer patients, 188 familial and 288 unselect...

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...eature of primate evolution. The analysis also revealed a few instances in which whole families of genes were radically different in the rhesus, containing more copies of certain genes than in the chimp or human. These gene families include important immune related genes, as well as genes with functions ...

Wheat can fatally starve insect predators

... at sites where the insects attack. The study also revealed that increased numbers of larvae on a plant caused a parallel increase in lectin. This shows that wheat plant responses to these insects are localized and take less energy than a more global resistance response. "Figuring out some of the ways that...

Scientists discover stage at which an embryonic cell is fated to become a stem cell

...elena Zernicka-Goetz, University of Cambridge, has revealed evidence to suggest that differences between the embryonic cells are already apparent at the 4-cell-stage, before the cells become partitioned between the inside or outside of the embryo. And those differences depend on the orientation and order of ...

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