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Tag: "simpler" at biology news

DNA: Bacteria's survival ration

...ria, being harder to digest than glucose and other simpler food sources. ...

How plants avoid feeling the burn

... molecular mechanism, but it turns out that a much simpler mechanism works just fine." The innovative work was a collaboration between several ASU departments and the Univesidad Nacional de Rio Cuarto in Argentina. In addition to Fisher, who was lead author on the paper, contributions from chemistry and bi...

Smooth sailing: 'cruise ship virus' tackled by UH, Baylor College of Medicine

...cess may seem complicated, but it is actually much simpler than current tests for Norwalk," Ruchhoeft said. "By having the virus bridge the cube to the surface, you don't need to go through complex sample preparation steps, like extracting DNA, amplifying it and so forth. You could envision making a system...

Dragonfly migration resembles that of birds, scientists say

... rulesthat govern such long-distance travel may be simpler and more ancientthan was once thought. The research, published in the May 11 Biology Letters, is based on datagenerated by tracking 14 green darner dragonflies with radiotransmitters weighing only 300 milligrams -- about a third as much as apaper cl...

NYU algorithm enhances ability to detect cancer genes

...mas Anantharaman) are in the process of creating a simpler user interface for their software, providing interoperability across many different chip technologies, and finally, making it publicly available in order to facilitate its free and wide-spread usage. ...

How does a zebrafish grow a new tail?

...other warm-blooded animals that evolved from these simpler creatures, might still have untapped regenerative powers hidden in their genes. People are constantly renewing blood components, skeletal muscles and skin. We can regenerate liver tissue and repair minor injuries to bone, muscle, the tips of our to...

Getting to the heart of the heart

...ltiple cell types in the same local environment ?a simpler way of building the organ. And because these cells can make multiple cell types, they could be more useful in repairing the heart than any single kind of cell." Orkin cautions that there are many steps before cardiac progenitor cells could be used ...

Researchers in Montréal and the US create model of key immune-system component

...able to learn about this process by studying it in simpler organisms, such as Drosophila," Dr. Stuart continues. "By combining classic cell biology with the newer approaches of proteomics, functional genomics and computational analysis, we have generated a model of that we believe will facilitate our underst...

Fishy cooperation

...rent hunting specializations, and is therefore far simpler to achieve than for members of the same species. Also, recruitment is quite common in the animal kingdom—for example, primates have specialized signals to solicit each other's support in fights. What is truly spectacular about this study is that the ...

Weighty viruses

...rtainable. However, it has the advantage of a much simpler geometry. The team constructed a CIT with smaller dimensions than usual, optimized the geometry, and exchanged the usual terminal electrodes of the cylinder with transparent, electrically conducting plates. This special construction is what made appl...

St. Jude announces breakthrough in eye cancer treatment

... potential to make the treatment of retinoblastoma simpler and less toxic. Ideally, these treatments could be administered even in countries that cannot afford the highly complex infrastructure now required to manage children with retinoblastoma. This would mean saving many more lives and preserving more vis...

Virginia Tech's System X supercomputer provides super tool for simulation of cell division

...perature scales." Previously, Tyson worked with simpler models whose parameters could be determined by trial and error, a process modelers call "parameter twiddling." But he and his coworker, Kathy Chen, wanted to characterize all the protein interactions regulating the cell cycle of budding yeast (the ye...

Researcher examines polymers created with poultry feathers

...t biodegrade. The challenge is how can we create a simpler plastic bag or bottle that will biodegrade?" According to Barone, the technology to create biodegradable plastics from biomass, such as corn and soybeans, has been around for more than 70 years. However the recent push to increase energy productio...

With cellulosic ethanol, there is no food vs. fuel debate according to MSU scientist

...land is being used to grow animal feed. It's a lot simpler to integrate animal feed production into cellulosic ethanol production than it is to integrate human food production. With cellulosic ethanol, the 'food vs. fuel' debate goes away." Cellulosic ethanol is made from the stems, leaves, stalks and tru...

Common mechanisms for viral DNA replication

...er, the process is far easier to study in the much simpler virus. In simian virus 40 (SV40), the large T-antigen protein (T-ag) is responsible for recognizing DNA sequences required to start replication, called the origin of replication. SV40 T-ag can also cause DNA to melt or unwind. In a new study publishe...

Scientists map key landmarks in human genome

...though analyses of this type had been pioneered in simpler organisms such as yeast, those approaches were not feasible when applied to the massively larger and more complex human genome. The new technique "provides major new clues to the locations of many hallmark features of the human genome, such as whe...

Common algae helps illustrate mammalian brain electrical circuitry

...in. "There are a lot of tools that work well in simpler systems or in isolated nerve cells, but the findings are often difficult to translate into an intact mammalian brain," Ehlers said. "This new model opens up whole new avenues for study. We may reach a future where brain injuries, spinal cord damage, ...

Scientists to track impact of Asian dust and pollution on clouds, weather, climate change

...in. "There are a lot of tools that work well in simpler systems or in isolated nerve cells, but the findings are often difficult to translate into an intact mammalian brain," Ehlers said. "This new model opens up whole new avenues for study. We may reach a future where brain injuries, spinal cord damage, ...

Failure to meet United Nations sanitation target could affect millions of the world's poorest

... areas, have emerged on the scene. "It would be simpler to meet the national targets by focusing on urban areas, because you can serve more people more quickly when they are clustered together," she said. "From a public health perspective, you may also argue that it's the smart thing to do, because densel...

Scientists clone mice from adult skin stem cells

... can be done in a tissue culture dish and which is simpler and more efficient than generating a cloned mouse. Although this procedure has not yet successfully generated human embryonic stem cell lines, once technological hurdles are overcome, it may be possible in the future to use a patient's skin stem cell...

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