Sentences with phrase «nematode worm»

Researchers investigate whether dietary mono - unsaturated fatty acids can extend lifespan in nematode worms in a new study published in Nature.

Consider the role of nematode worms in maintaining the health and fertility of soils.

The S.U.N.Y. Buffalo team decided to test whether they could control a simple reflex in the one - millimeter - long nematode worm Caenorhabditis elegans by manipulating the heat - activated ion channels in its sensory neurons.

Using nematode worms as an example, the researchers were able to view the effects of aging in real - time.

There have been several recent reports of life at great depths, with nematode worms found living 3 kilometres down in a gold mine, for instance.

In a new study published Friday in the journal Science, a team of researchers has shown that such «epigenetic» memories can be passed down for 14 generations in a tiny nematode worm species called Caenorhabditis elegans (roundworms).

With their model, the researchers accurately reproduced the rapid evolutionary increase shown in the amount of sex with other individuals exhibited by nematode worms coevolving with a highly pathogenic bacterium.

But as Gerald Rubin, head of the Berkeley Drosophila Genome Project, pointed out, the fruit fly has some 5000 fewer genes than the supposedly simpler nematode worm.

The humble nematode worm has had its neural connections hot - wired, changing the way it responds to salt and smells.

To find out, Leifer and his collaborators genetically engineered the one - millimeter - long nematode worm to make particular cells in its body sensitive to light, a technique called optogenetics, developed in recent years by Stanford University psychiatrist and bioengineer Karl Deisseroth [see Deisseroth's «Controlling the Brain with Light,» Scientific American, November 2010].

In a new study published Friday in the journal Science, a team of researchers has shown that such «epigenetic» memories can be passed down for 14 generations in a tiny nematode worm species called Caenorhabditis elegans (roundworm).

The added soil made the existing land richer — as the researchers found more nematode worms, more bacteria, and more fungi in those sections of the plots.

In another landmark study this year, researchers working with nematode worms tracked a trait initiated with injected RNA over 80 generations.

Normally, P. luminescens targets insect larvae, with the help of parasitic nematode worms.

For instance, if gene drives could be limited to a specific area — an idea being tested in nematode worms reared in a lab — their risk of spreading out of control would be cut.

Called odilorhabdins, or ODLs, the antibiotics are produced by symbiotic bacteria found in soil - dwelling nematode worms that colonize insects for food.

Fungi, beetles, true bugs, mites, butterflies and moths showed clear movements to higher latitudes, whereas viruses and nematode worms shifted to lower latitudes.

He notes, as do the authors, that those pest groups seen moving towards the equator — largely nematode worms and viruses are the most poorly understood, and therefore the ones most likely to be discovered later in developing countries.

An intriguing finding in nematode worms suggests that having a little bit of extra fat may help reduce the risk of developing some neurodegenerative diseases, such as Huntington's, Parkinson's and Alzheimer's diseases.

The array of microbes shifts through time, with nitrogen - recyclers starting out as dominant, and fungi and nematode worms getting a foothold in later stages of decomposition, the team reports.

Nematode worms thrive in desert, mountain, and ocean environments.

Researchers from Florida Atlantic University, in collaboration with The Scripps Research Institute, have opened up the possibilities for rapid drug screens to treat seizures in the near future by developing the smallest whole - animal electroconvulsive seizure model using a microscopic nematode worm.

«Starvation effects handed down for generations: Third - generation nematode worms show signs of surviving famine.»

A team of biophysicists from the State University of New York (S.U.N.Y.) at Buffalo used magnetic nanoparticles to control heat - activated protein gates called ion channels embedded in the membranes of nerve cells, allowing the researchers to stimulate a simple reflex in nematode worms at will.

With an eye toward shifting that balance, the scientists inserted into mice a gene called fat - 1, which in nematode worms produces an enzyme that converts omega - 6 fats into omega - 3 fats.

We are using automated imaging to record the behaviour of freely moving nematode worms and developing new analysis methods to extract relevant features.

In a Buck Institute study, Gordon Lithgow, Ph.D., found that Thioflavin T (aka ThT or Basic Yellow 1), a dye used in labs to detect damaged proteins in Alzheimer's, extended life span in healthy nematode worms by more than 50 percent and slowed Alzheimer's in worms bred to mimic aspects of the disease.

The project involves monitoring nematode worms online and clicking when one of the worms lays an egg.

The longest - lived strain of nematode worm on record, called AGE - 1, can live 10 times longer than normal worms.

Cornelia Bargmann, of the Rockefeller University in New York, used nematode worms (Caenorhabditis elegans) to provide insights into the molecular controls for animal behaviour.

A team of investigators from the Salk Institute uncovered new clues about the mechanisms of fear and anxiety through an unlikely creature: the tiny nematode worm.

To date, we only have a complete connectome down to the level of individual neurons for the simple nematode worm.

By the turn of the century, the humble nematode worm (Caenorhabditis elegans) will have a rather big claim to fame: all being well, it will be the first animal to have the DNA of its genome, all 100 million base pairs of it, spelt out in full.

These include lymphatic filariasis and loiasis, two serious human tropical diseases that are caused by nematode worms and spread by mosquitoes.

The ocean floors are literally crawling with nematode worms.

Previously, it has been used in nematode worms to trigger egg - laying, and in mice to relieve depression and paralysis.

Does this mean that we are 75 % identical to a nematode worm?

The only species Onstott has observed in action are nematode worms; he could see them squirming under a microscope, and took detailed electron microscopy images of their hundredth - of - an - inch - long bodies.

For their study published in eLIFE, Collins and his collaborators focused on the nematode worm's simplest neural circuit, the egg - laying behavior circuit, which is regulated by serotonin, a chemical neurotransmitter also found in humans and responsible for managing mood.

«But the nervous system in both nematode worms and humans is organized into small functional units called neural circuits, where neurons communicate with each other to control a simple outcome, such as behavior.»

Carroll continued to study these genes and, some years later, found that they were not restricted to fruit flies; they turned out to be part of a master tool kit that sculpts the body structures of all animals, ranging from humans to nematode worms.

Researchers studying the nematode worm C. elegans have discovered a new mechanism by which the millimeter - long critter flexes its pooping muscles.

The patient, then a 26 - year - old woman from Brookings, Oregon, ended up being the first - ever known case of the nematode worm Thelazia gulosa, a type of cattle eyeworm, infecting a human.

All around him, scientists are engineering fruit flies, nematode worms and mice using the bacteria - derived tool.

Esvelt plans to develop CRISPR gene drives in nematode worms — a fast - reproducing model organism — that are designed to spread a genetic modification in a local setting and then fizzle out, a concept that other scientists are pursuing.

Schafer's team injected DNA that codes for their protein into the gonads of Caenorhabditis elegans nematode worms.

At the University of California, San Francisco, geneticist Cynthia Kenyon and her colleagues discovered a genetic mutation in nematode worms that doubles their life span.

Hijacking how neurons of nematode worms are wired is the first step in an approach that could revolutionise our understanding of brains and consciousness