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Tag: "understanding" at biology news

Anammox bacteria produce nitrogen gas in oceans' snackbar

...ean. This discovery has major consequences for our understanding of the global nitrogen cycle. The Benguela current...a in the open ocean has major consequences for our understanding of the global nitrogen cycle. Models of global nitrogen budgets, which play an important role in lon...

Decoding the logic of olfaction

...f neural activity represents a significant step in understanding how the brain translates complex signals from odorant receptors in the nose into odor perception in the brain, the researchers said. The research team, which was led by HHMI investigator Linda B. Buck at the Fred Hutchinson Cancer Research Center, p...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...f neural activity represents a significant step in understanding how the brain translates complex signals from odorant receptors in the nose into odor perception in the brain, the researchers said. The research team, which was led by HHMI investigator Linda B. Buck at the Fred Hutchinson Cancer Research Center, p...

Protein helps regulate the genes of embryonic stem cells

...ous histone modifications is the first step toward understanding how epigenetics influences such occurrences as cancer and birth defects, he added. The discovery that eed is required to modify histone H3 in a unique way opens up new lines of investigation into the role eed might play in diverse biological process...

Roots Engage in Underground Chemical Warfare

... fungal pathogens are the leading cause. "Current understanding of plant defenses does not readily explain why a pathogen can cause disease in one plant species and not another," says Vivanco. "Our findings will help researchers solve the mysteries of plant disease and immunity." In these experiments, however, r...

NYU and MSKCC research provides model for understanding chemically induced cancer initiation

...ette smoke. This finding may open new horizons for understanding the initiation of chemically induced cancers. The...ng opens new horizons, at the molecular level, for understanding the effects of methylation at p53 mutation hot spots on the properties of carcinogen-DNA lesions. Cu...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

...But naturally replaced neurons may hold the key to understanding processes of neurodegeneration." The results appear in the May 23 Early Edition issue of Proceedings of the National Academy of Sciences. The potential medical implications of the study came as a surprise to the researchers. They set out to answer ...

Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia

A new study is providing scientists with a better understanding of why some pediatric acute lymphoblastic leukemia (ALL) patients fail to respond to treatment even when existing clinical predictive criteria point towards a positive treatment outcome. The research, published in the April issue of Cancer Cell, is l...

Doctors closer to using gene analysis to help trauma patients

... the care of burn and trauma patients and increase understanding of the body’s molecular reactions to injury, including inflammation. The lead research author is Dr. J. Perren Cobb, an associate professor of surgery at Washington University in St. Louis. Traumatic injuries claim hundreds of thousands of lives eac...

Study reveals candidate targets for anti-retroviral therapeutics

...s in a single-celled organism are a good model for understanding how retroviruses such as HIV interact with their hosts. Yeast has previously been used as a model to help scientists understand how cancer cells replicate out of control. The Sandmeyer laboratory, which has expertise in genetics and biochemistry, sc...

Signs of aging: Scientists evaluate genes associated with longevity

... observations in C. elegans will contribute to our understanding of human aging. "Many processes involved in nematode aging may have fundamental and analogous roles in humans," Dr. Brooks-Wilson explains. "The human orthologs of some gene family members identified in this study have been associated with human age-...

Product improves peptide identification for proteomics research

...omarker discovery, potentially leading to a better understanding of diseases like cancer and speeding drug development efforts. The Agilent 1100 Series LC/MSD Trap XCT Ultra offers significantly improved scan cycle times, enabling collection of mass spectra at rates up to three times faster than its predecessors. ...

Cellular Defects in Premature Aging Disease are Reversible

...arch 6, 2005, brings scientists one step closer to understanding this devastating childhood disease and might provide insights into the normal aging process. HGPS is a rare inherited disease affecting about one in eight million children. While appearing normal at birth, infants with HGPS age rapidly after their f...

Disease progression model of pancreatic cancer developed by Penn researchers

...ding to Hingorani, "This model may prove useful to understanding human pancreatic and other epithelial cancers beca...human condition will likely open many new doors in understanding this debilitating disease. "With a model that can generate the full spectrum of disease, from preinv...

Agilent Technologies new genome analysis technology set to accelerate Australia fight against mesothelioma

...gilent's CGH microarray to provide a more thorough understanding of the genetic makeup of mesothelioma cells, which...ery optimistic that it will give us a much clearer understanding and interpretation of this devastating disease." "Agilent's new CGH microarray platform provides ve...

The circadian clock: Understanding nature's timepiece

...rsity of Calgary is getting a little bit closer to understanding how it ticks. Dr. Michael Antle, a neuroscientist in the U of C's Department of Psychology, has conclusively shown that the 20,000 cells are organized in a complex network of groups that perform different functions ?contrary to the previously held b...

Of mice and men's (and women's) contraceptives

...of sperm or egg development. We're working hard on understanding this mechanism." A similar human equivalent of MSY2, Contrin, has been identified by the research group and their studies indicate it is also a germ cell-specific protein. Using MSY2 as a mouse model, Hecht and colleagues hope that Contrin can be de...

Rhesus monkeys can assess the visual perspective of others when competing for food

...?an urgent endeavor for developing a better neural understanding of diseases such as autism, in which this kind of social reasoning appears impaired. ### Jonathan I. Flombaum and Laurie R. Santos: "Rhesus Monkeys Attribute Perceptions to Others" The other members of the research team include Jonathan I. Flombau...

Symbiotic bacteria protect hunting wasps from fungal infestation

...ainst pathogenic fungi. These findings broaden our understanding of the evolution and functioning of symbioses that involve protective bacteria, and they may ultimately provide insight into strategies for dealing with antibiotic resistance in our own species's efforts to combat harmful microbes. ### Martin Kalte...

Conserved amino acids play both structural and mechanistic roles in sandwich-like protein

...ther specific proteins must confirm that. "Better understanding of protein folding is crucial for curing human diseases directly related to misfolding of proteins, and it is also important for the design and improvement of therapeutic enzymes," Wittung-Stafshede said. ...

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