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Tag: "relationship" at biology news

Ocean climate predicts elk population in Canadian Rockies

...they provide a deeper understanding of the complex relationship between climate and ecosystem, and they open the d...papers in the past four years. His research on the relationship between NPO values and the elk population in Banff National Park was published this spring in the Jo...

Circulating stem cells play small role in lung repair

...cent. They also found a statistically significant relationship between the number of Y chromosome-containing pneumocytes and the incidence of acute cellular rejection in the tissue, suggesting that stem cell repopulation might be stimulated by greater degrees of injury to the lung. The possibility that the pres...

Candida albicans Genome Fully Annotated

...cent. They also found a statistically significant relationship between the number of Y chromosome-containing pneumocytes and the incidence of acute cellular rejection in the tissue, suggesting that stem cell repopulation might be stimulated by greater degrees of injury to the lung. The possibility that the pres...

Fungus-farming termites descend from an African rain forest Eve

...live today in various parts of the Old World. The relationship between the termites and the cultivated fungus represents an impressive example of mutualistic symbiosis. The termites use chewed plant material, such as wood and dry grass, to feed the fungus and allow it to flourish, while the fungus converts other...

Bacteria feed on smelly breath (and feet)

...vels of methylotrophic bacteria and their possible relationship with the oral concentrations of methylated sulphides. This may lead to a natural way of reducing smelly breath and feet. ...

Deep sea algae connect ancient climate, carbon dioxide and vegetation

... sheets on the Antarctic. "Before this study, the relationship between the global climate and the concentration of carbon dioxide in the atmosphere during the late Eocene and Oligocene was largely unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25...

Caloric restriction won't dramatically extend life span in humans: UCLA research

...ped the first mathematical model demonstrating the relationship between caloric intake and longevity, using repres...very steep," said Phelan, whose model predicts the relationship between calories consumed and life span. Phelan's conclusion is that the few extra years of life ar...

Invasive parasite destroying fish species

... sheets on the Antarctic. "Before this study, the relationship between the global climate and the concentration of carbon dioxide in the atmosphere during the late Eocene and Oligocene was largely unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25...

Stem cells grown in lab mirror normal developmental steps

... sheets on the Antarctic. "Before this study, the relationship between the global climate and the concentration of carbon dioxide in the atmosphere during the late Eocene and Oligocene was largely unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25...

Discovery of an American salamander where it shouldn't be: Korea

...a molecular phylogenetic analysis to determine the relationship between the new salamander and other plethodontids. All these researches are coauthors of the current Nature paper, though Karsen elected not to join them in order to accept their offer to name it after him. To date, Wake and his American colleague...

Biologists determine genetic blueprint of social amoeba

...s utility in a variety of studies. "An organism's relationship to humans depends on how related the proteins are that are found in the two cell types," says Kuspa. "You can make direct analogies, or you could learn general principles about how cells regulate their behavior. Both things will apply in the studies ...

Male Combat Veterans Rank High In Heart Disease Risk

...ture, the ongoing LCSES study will investigate the relationship between cardiovascular risk factors and morbidity and mortality. ...

Major advance made on DNA structure

...fundamental understanding of DNA structure and its relationship to genetic sequences, researchers say, helps set the stage for applied advances in biology, biomedicine, genetic engineering, nanotechnology and other fields. The recent work was supported by grants from the National Institutes of Health and the Nat...

New protein vital for immune response is found in surprise location

...rganism's cells, eventually developing a symbiotic relationship with host cells. Now that mitochondria are an integral part of our cells, Dr. Chen speculated that mitochondria may have acquired new functions by serving as a sentinel to detect invading pathogens and other stressful signals, ensuring that the host ...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

...at far more work remains to be done to clarify the relationship between cancer and the breakage hotspots. One thing researchers have determined is that the regions immediately flanking the breakage hotspots contain more genes, on average, than the rest of the genome. The team was led by Harris A. Lewin, Ph.D., o...

New mitochondrial DNA gene chip may be early cancer diagnosis tool

...ences in solid cancers, although the nature of the relationship remains uncertain. Their work suggested that particular changes in mtDNA might serve as early indicators for several types of solid cancer. Although promising, this approach is critically dependent on developing reliable, cost-effective, and highly s...

Promiscuous Catalytic Activity Possessed by Novel Enzyme Structure

...es, its discovery could also shed new light on the relationship between an enzyme’s structure, the way it has evolved, and the chemical reactions it is able to carry out. Although the researchers have not yet had a chance to test the modified molecules to see if their function has changed, they believe that Orf2...

Space matters: Estimating species diversity in the fossil record

...MA, Davis EB (2005) The impact of the species-area relationship on estimates of paleodiversity. PLoS Biol 3(8): e266. ...

Stem cell training program to make its Stanford debut

...es, its discovery could also shed new light on the relationship between an enzyme’s structure, the way it has evolved, and the chemical reactions it is able to carry out. Although the researchers have not yet had a chance to test the modified molecules to see if their function has changed, they believe that Orf2...

A novel virus for croup

...e no other virus could be detected. Here, a strong relationship with the clinical symptoms associated with croup was apparent: 43% of the HCoV-NL63 positive patients with high HCoV-NL63 load and absence of co-infection had croup, compared with 6% of HCoV-NL63 negative patients. Previous studies have reported tren...

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