Tag: "organisms" at biology news

Femtosecond laser technique opens new opportunities for research on neural regeneration

...of the most versatile and widely used experimental organisms for genetic and biomedical research. The nerves severed by this precision technique regrew within 24 hours, often with complete recovery of function. The project was a collaboration between applied physics researchers at Stanford University led by A...

15 million cancer research coup

...emicals in our environment. As a result all living organisms have developed ways to repair DNA. These processes are central to the survival of life on earth. Unless DNA damage is repaired it will lead to mutation or cancer, whereas defects in an individual's repair capacity are linked to cancer-prone diseases,...

Science's Breakthrough of the Year: Salty, acidic soup could have supported life on Mars

...ueberries" capable of preserving minute details of organisms that may have lived on Mars. Science also salutes nine other scientific achievements of 2004. Except for the first runner up, the others are in no particular order. The Littlest Humans: The startling discovery of a species of small human relative...

Microbe's genome promises insight into Earth's carbon and sulfur cycling

...nd its genome will be used in the study of related organisms that likewise mediate carbon and sulfur cycling in the ocean. Moran continued, "Admittedly, this is not the only bacterium that influences gas exchange between the ocean and atmosphere, but once we understand how S. pomeroyi functions, we can apply t...

Potent anticancer drug increases function of axons in mouse model of neurodegeneration

...s derived from plants (taxol) and other biological organisms such as sponges (discodermolides) have been used as anti-cancer drugs because they prevent cells from dividing. They do this by keeping microtubules stabilized, which blocks cell division and causes cell death. Microtubules are protein structures fou...

Violent ocean motion no magic potion for reefs

...d kills soft and hard corals as well as associated organisms such as sponges. The species has also been tied to...er analysis to determine what macroalgae and other organisms are present and in what abundance, and roving divers count the number of grazing fish in the study a...

Weizmann Insitute scientists show how proteins beat the evolutionary stakes

...er to stay a step ahead of a shifting environment, organisms must change or risk extinction. Yet the instrument...stitute of Science has shown one way that evolving organisms may be hedging their bets. Dr. Dan Tawfik, who headed the team from the Biological Chemistry Depart...

New technique provides insights into gene regulation

...gans, a microscopic ringworm. How very different organisms develop from comparable numbers and types of genes has been a major question since the genetic similarity was discovered. Scientists are trying to understand what turns a gene "off" or "on", or alters its activity when "on" in other words, the pro...

Chromosome 16 publication fulfills DOE's human genome commitment

...now being dedicated to illuminating the genomes of organisms that may figure into biological solutions to such ...tion of genomics. Priority is given to sequencing organisms that are relevant to DOE missions. "The Human Genome Project stands as the crown jewel and capstone ...

Immune system contributes to evolution of a new fluorescent protein

...that if you induce too much mutation, you kill the organisms because you're frying all the genes they need," he said. "What we really wanted was an organism with cells that could rapidly produce mutations and target them to one specific gene," said Tsien. "To our surprise, that organism is us." SHM produces mu...

Inexpensive, mass-produced genes at core of synthetic biology advances at UH

...gy with the potential to make complete functioning organisms that can produce energy, neutralize toxins and mak...ly useful in detection and treatment of infectious organisms that could be used by terrorists. Gao's co-authors include Erdogan Gulari and Xiaochuan Zhou from ...

'Jumping gene' helps explain immune system's abilities

...difiers to disrupt the growth-controlling genes of organisms such as mosquitoes and medflies....

Ocean colour satellites guide research ship through South Pacific's watery desert

...e of the ocean, Claustre explained: "These vegetal organisms form the first link in the food web and are the fi...rbon dioxide, then becoming food for small grazing organisms called zooplankton, which in turn are prey to fish and even whales. They also create the first reser...

UGA partners with U of Pennsylvania for bio-defense and infectious disease research project

...arasites in the phylum Apicomplexa, which includes organisms that cause malaria and toxoplasmosis. NIAID, pa...jects over the past decade, including more than 50 organisms that either are considered to be biothreats or are related to emerging or re-emerging infectious dis...

Urban ecology study witnessing the birth of a 'designer ecosystem'

...differs even further in the dynamics of how these organisms interact. "We have been defining the Phoenix urban...ferent abundances," said Redman. "The abundance of organisms is higher overall. If you just measure it, it is richer in town than in the desert." The scientists ...

Human complexity and diversity spring from a surprisingly few (relatively speaking) genes

...tists learned that some less complex, less diverse organisms had more, or proportionally more genes than human beings. The rice genome contains 50,000 genes and the fly 14,000, to cite two examples. The lack of correlation between genome size and an organism's complexity raised a question - how do complexity a...

DNA movement linked to formation of antibody genes

...s understand the mixing and matching of DNA in all organisms and the role this mixing plays in healthy and dise...understanding transposable element movement in all organisms as well as the role that transpositional type recombination mechanisms have in chromosomal rearrange...

Scientists decipher genome of bacterium that helps clean up major groundwater pollutants

...ith that of other Dehalococcoides spp. and related organisms that have different capabilities and spectra for dehalogenation, scientists should be able to deepen the understanding of the chemical process and the best ways to use microbes in the bioremediation of sites that are contaminated with halogenated org...

Systems microbiology has great scientific promise in health and environment

...d, Washington. "Microorganisms, the most abundant organisms on Earth, are ideal candidates for systems biology research because they are relatively easy to manipulate and because they play critical roles in health, environment, agriculture, and energy production." The report recommends that professionals en...

Scientists discover unique microbe in California's largest lake

...rared light." The new microbe is one of only three organisms known to science that use a combination of near-in...ynthesis, but now we know there are at least three organisms that can do this using infrared radiation as well. "All three of these organisms are closely related...

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(Date:10/18/2014)... a sample of patients with undiagnosed, suspected genetic conditions, ... with a higher molecular diagnostic yield than traditional molecular ... JAMA . The study is being released to coincide ... , Exome sequencing, which sequences the protein­coding region of ... material present in a cell or organism), has been ...
(Date:10/17/2014)... in German . ... day in order to reproduce? And why are there two ... the latest issue of the research journal Molecular Human ... Steven Ramm from Bielefeld University Bielefeld has compiled this special ... for a female to copulate with several males in quick ...
(Date:10/17/2014)... German . ... When treating overdoses, doctors are often limited to supportive therapy ... is a combination of drugs involved. So what can be ... grandmother,s pills? ETH professor Jean-Christophe Leroux from the Institute of ... to this question. "The task was to develop an agent ...
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