Tag: "patterns" at biology news
Diatom genome reveals key role in biosphere's carbon cycle
... a rigid cell wall delicately marked with pores in patterns
distinctive enough for scientists to tell the species apart. Another new finding reported in Science concerns the unusual way the diatom metabolizes silicon to form its characteristically ornate silica frustule. "Diatoms can manipulate silica in wa...
Don't stand so close to me: A new view on how species coexist
... says Dr Bonsall. "This allows evolution to affect patterns
of diversity such as how many similar species we s...ndon, added: "The bottom line of this work is that patterns
of diversity are shaped both by ecology and by evolution." One way of capturing the essence of the n...
College students recognized & rewarded for their innovative work
... By creating a computer program that can vary the patterns
of applied pressure, his device can pump, mix, and shut off flow. A native of Ann Arbor, Gu is a senior chemical engineering major at the University of Michigan. His advisor, Dr. Shuichi Takayama, receives a $5,000 prize. Graduate winners Jwa-Min ...
Columbia University scientist wins 2004 Nobel Prize
...sis of these genes suggests how diverse behavioral patterns
may be encoded in the genetic material and inherited from parent to offspring. ...
Research team develops nonhuman primate model of smallpox infection
...d her colleagues examined the host gene expression patterns
of hemorrhagic smallpox in these animals. Specifically, they documented fluctuations in cellular proliferation, interferon, and viral modulation of the immune response. A better understanding of the disease process that occurs with smallpox infection...
Daphne Koller named MacArthur Fellow
...g, and is optimistic that she can help to identify patterns
of gene expression across species as her methods are further developed. When asked what she plans to do with the award, Koller said that the matter will require significant thought. "It's really a major decision, and they give you some time to th...
NIH funds first nationaL SNP genotyping center at Broad Institute
...plication to disease gene discovery by determining patterns
of genetic variation throughout the human genome ( www.hapmap.org ). "We are thrilled that the NCRR has selected the Broad Institute for this important responsibility. Human genetics is undergoing an extraordinary transformation, which is leading to...
Brain circuit may permit scientists to eavesdrop on memory formation
...is needed is an exploration of the specific firing patterns
of neurons that make up the TA projection during learning and the consolidation period. It's interesting that a lot of the important activity likely takes place off-line, when the animal is removed from the direct behavioral experience." Future studi...
Is more better: Counting birds may only tell part of the story
...opics, are needed to provide more insight into the patterns
observed in this study. Overall, "birds are usually able to aggregate in the higher quality breeding locations, regardless of the type of bird or habitat," say the authors. "Avian habitat evaluations: should counting birds count?" appe...
Cells in retina found to behave like soap bubbles
...d again across the eye. Gaining insight into these patterns
can help researchers understand the interplay betw... and has harnessed it to design intricate cellular patterns
within complex structures such as the eye." Similar to the colored dots in a Georges Seurat paintin...
New study on smallpox in monkeys reveals tactics of a killer
...how the smallpox infection altered gene expression patterns
in the monkeys' blood cells. Dr. Relman used DNA microarrays, a tool unavailable in 1977 when naturally occurring smallpox was eradicated after a global vaccination campaign. Microarray analysis research reveals how smallpox alters gene activity in h...
Touching research: How white blood cells navigate
...e Rochester team has shown how physical forces and patterns
of blood flow are crucial to the process. When the sticking process goes awry, disease occurs. Painful and harmful inflammation occurs when white cells are extremely active. Autoimmune diseases like diabetes, multiple sclerosis and lupus happen when...
How to use math and a CT scanner to see how trees intercept light
...ur models will allow us to predict which branching patterns
are more efficient at capturing light," said Dutilleul. "This is of obvious importance when choosing which plants to grow in environments with short photoperiod." Dutilleul has developed links between statistics and life sciences throughout his caree...
Researchers redrawing the Tree of Life
...stries. Understanding biodiversity in the frame of patterns
of relationships is important in the assessment of...nges. The new tree would also help in the study of patterns
of gene transfers among plant genomes. ...
Manipulation of epigenome turns off as many genes as it turns on
...-based and one chromosome-based -- created similar patterns
of changes in gene expression in the cell lines, s...essor of medicine. However, the genetic knockouts' patterns
of genetic changes were not similar to those of chemical demethylation. While the number o...
To save dolphin's dorsal fin experts combine medical technology and teamwork
...in of dolphins or humans. Thermal imagery revealed patterns
of increased vascular development in Liko's dorsal fin and more rapid healing following application of localized LED therapy. Human cosmetic surgeon Dr. Faringer performed the initial procedure in July that prepped Liko's wound for the sequence of fi...
Large-scale forces shape local ocean life, global study shows
... found in Micronesia. With a few exceptions, these patterns
held true around the globe. Witman believes that local interactions, such as storms and predators, still exert a strong influence on biodiversity, but the associate professor in the Department of Ecology and Evolutionary Biology now sees that...
New genomic method can identify disease-causing genes
...oon. The method takes advantage of the block-like patterns
of genomic variation in selected mouse strains, as illustrated on the cover of Science in which the article appears. "Our hope is that this new computational approach will increase the utility of the vast amount of DNA sequence information availabl...
Children's Hospital Boston geneticist awarded for research on muscular dystrophy
...ctivity of multiple genes at once, seeking to find patterns
common to all muscular dystrophies and those distinct to particular forms of the disease. These patterns
will provide insight on how gene mutations affecting dystrophin and its associated proteins lead to ...
Study: Inadequate physical activity worsens as teenagers become adults
... the largest national study of changes in exercise patterns
over time. Especially needed are efforts to get Hispanic and black girls to become more active, those scientists say. "In a sample originally representing more than 20 million school-aged youth, we found that only 36 percent achieved five or mo...
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