Sentences with phrase «by the fruit fly»

Surrounded by fruit flies.

In a series of experiments sparked by fruit flies that couldn't sleep, Johns Hopkins researchers say they have identified a mutant gene — dubbed «Wide Awake» — that sabotages how the biological clock sets the timing for sleep.

For researchers at the Max Planck Institute for Biology of Aging in Cologne, the sleeplessness experienced by the fruit fly Drosophila is therefore a model case for human sleeping behavior.

An accidental escape hinted at what those scents might be good for: «When returning to the lab after a weekend, I found that a flask with a smelly yeast culture was infested by fruit flies that had escaped from a neighboring genetics lab, whereas another flask that contained a mutant yeast strain in which the aroma gene was deleted did not contain any flies,» Verstrepen recalls.

Social attraction mediated by fruit flies» microbiome.

Not exact matches

For example in the fruit fly the first difference between the front and back end of the egg is caused by the cells of the mother's ovary, external to the egg, that release at the anterior end a specific chemical which then diffuses backwards, giving rise to a chemical gradient of concentration.

A study on fruit flies by the University of Sydney's Charles Perkins Centre and the Garvan Institute of Medical Research found that those who were exposed to a diet laced with artificial sweetener for more than five days consumed 30 % more calories when they were then given naturally sweetened food.

The sterile fruit flies, 50pc male and 50pc female, were launched by Agricultural and Water Minister David Littleproud, alongside Primary Industries Minister Tim Whetstone and Hort Innovation chief executive John Lloyd at Adelaide Airport today.

But I'm more of a fly by the seat of my pants kind of gal which I why I'm only just sharing this caramelized fruit coconut quinoa porridge with ya.

And one final disturbing note: chiles that turn bad attract fruit flies by the zillions.

At least 20 wine producers in Tasmania's celebrated northern Tamar region are the latest to be affected by the state's worsening outbreak of fruit fly.

As the extent of the Tasmanian fruit fly crisis is assessed by biosecurity experts, the wine producing community in the state's north is now working out ways to keep operating under control zone restrictions.

I sent out an SOS to Lunch Tray readers for suggestions for alternative treats, and last night I read out aloud to my family every one of your creative ideas — everything from «cupcakes» made from fresh fruit (thank you, Mile Hi Mama) to buying trees for planting by the class (ditto, Corrie) to origami flying squirrels (Michele Hays)!

Well, the news cycle, legislators and Gov. Andrew Cuomo seemed to all drop the issue of redrawing legislative lines by an independent commission at once with a loud thud as Albany's fruit - fly attention span turned to an ethics overhaul, a property tax cap and same - sex marriage legalization.

But it could stay airborne by mimicking fruit flies, which can keep flying even after a catastrophic loss of limb.

So, the researchers — headed by Professor of Physics and Biological Sciences Shane Hutson and Associate Professor of Cell and Developmental Biology Andrea Page - McCaw — targeted cells on the back of fruit fly pupae that expressed a protein that fluoresces in the presence of calcium ions.

By looking at fruit flies, rather than social animals, the researchers believe that they have gained a greater understanding of the role that fear may play in the decline and extinctions of various populations.

The study, led by Dr Allan Debelle and Dr Rhonda Snook in the University's Department of Animal and Plant Sciences, looked at the mating patterns of fruit flies after they evolved for 100 generations in either polyandrous populations (where several males have to compete for a single female) and monogamous populations (where each male has access to only one female).

A team of scientists led by the University of Birmingham has shown how a common mRNA modification, N6 - methyladenosine (m6A), regulates gene expression to determine the sex of fruit flies.

Data published by the International Human Genome Sequencing Consortium indicate that somewhere between 113 and 223 genes present in bacteria and in the human genome are absent in well - studied organisms — such as the yeast Saccharomyces cerevisiae, the fruit fly Drosophila melanogaster and the nematode Caenorhabditis elegans — that lie in between those two evolutionary extremes.

The flies are strongly attracted by the fruits of the morinda tree: they feed on its fruits, and females prefer to lay their eggs on these.

To probe the genetic basis of these differences, a team led by Ulrike Heberlein at the University of California, San Francisco, turned to fruit flies.

Most of the rechristened genes were identified by geneticists studying the fruit fly; when equivalent genes were later found in the human genome, researchers simply continued using the name of the fruit fly gene to avoid confusion.

When Sean Carroll was a graduate student at Tufts School of Medicine in Boston, he found himself seduced by spectacular new studies of the humble fruit fly.

Inspired by human studies showing that avid coffee drinkers and smokers have a lower risk of Parkinson's disease, scientists at the University of Washington decided to see what java and cigarettes do to fruit flies.

A study released this week in Cell reports on fruit fly neural circuitry that is affected by the drosophila equivalent of NPY — dNPF.

But fruit flies have now distinguished between two molecules with identical shapes, providing the first experimental evidence to support a controversial theory that the sense of smell can operate by detecting molecular vibrations.

A team led by Charles Zuker of the University of California, San Diego, focused instead on fruit flies, acting on a hunch that the flies» touch - sensitive bristles might contain channels similar to those in sound - sensitive hair cells.

Scientists have a promising new approach to combating deadly human viruses thanks to an educated hunch by University of California, Riverside microbiology professor Shou - Wei Ding, and his 20 years of research on plants, fruit flies, nematodes and mice to show the truth in his theory.

By comparing our genetic make - up to the genomes of mice, chimps and a menagerie of other species (rats, chickens, dogs, pufferfish, the microscopic worm Caenorhabditis elegans, the fruit fly Drosophila melanogaster and many bacteria), scientists have learned a great deal about how genes evolve over time, and gained insights into human diseases.

By contrast, zebrafish and Drosophila fruit flies lacking their versions of Lef1 are missing cells that make Corticotropin releasing hormone binding protein (Crhbp), and these cells were unaffected in mice.

«This study started with experiments in fruit flies, which helped us to identify new molecular pathways affected by these toxins,» said Guichard.

Until now, scientists were unable to prove that mammals use RNAi for killing viruses, but ironically, it was Ding's earlier research into plants, nematodes and fruit flies that helped him find the key: viruses have been outwitting that innate protection in our cells by using proteins to suppress our virus - killing mechanism.

By temporarily modifying the function of Polycomb Group (PcG) proteins — which play an essential role in development — the researchers obtained fruit fly lines having the same DNA sequence but different eye colors.

The project was initiated by Mori as part of a series of experiments investigating how the traits of fruit flies are altered in response to changes in their environment.

Research led by Margery Smelkinson found that NS1 modulates the activitiy of a signaling cascade known as the Hedgehog pathway (so named because fruit fly larvae lacking the Hedgehog gene emerge hairless and resemble tiny hedgehogs).

«We developed Drosophila lung cancer models by targeting Ras alone and in combination with PTEN knockdown in the tracheal system of the fruit fly,» says Cagan, PhD, Professor in the Department of Developmental & Regenerative Biology, Senior Associate Dean of the Graduate School of Biomedical Sciences, and Director of the Center for Personalized Cancer Therapeutics at Icahn School of Medicine at Mount Sinai.

A team of researchers, led by Ross Cagan, PhD, developed a multi-gene lung cancer model in the fruit fly Drosophila to better understand the mechanisms that promote tumors in NSCLC.

The treated fruit flies outlived the control group by staying healthier for longer.

A small dose of 1.56 µM, which is approximately equivalent to a daily dose of the drug in a human cancer patients, increased the fruit flies» average life expectancy by 8 %.

Normally, fruit fly females decide whether or not to mate within 15 minutes of a male courting them by dancing, singing (with their wings), and releasing pheromones.

It did not begin to seriously discuss the risks associated with using the approach to engineer genes that could quickly spread through wild populations — known as gene drives — until after experiments demonstrating the concept in fruit flies had been published in a peer - reviewed journal (V. M. Gantz & E. Bier Science 348,442 — 444; 2015).

Other species of fruit flies would not be impacted by this system.

We're in the process of assigning functions, roles and names by comparing sequences to sequenced genomes, such as that of the fruit fly, stored in the database of the National Center for Biotechnology Information.

Now a UC Santa Barbara researcher has added to that body of knowledge by determining how stem cells produce different types of «daughter» cells in Drosophila (fruit flies).

The fruit fly Drosophila melanogaster has a life expectancy of approx. 8 weeks and belongs to the model organisms studied by scientists at the Max Planck Institute for Biology of Ageing in their quest to understand aging in living beings.

For many years biologists have been able to witness evolutionary change in the laboratory by studying organisms such as fruit flies or bacteria.

For instance, one protein produced by a key fruit fly gene serves two separate functions over the course of fly development.

Both biologists, they were able to show that the endogenous substance spermidine triggers a cellular cleansing process, which is followed by an improvement in the memory performance of older fruit flies.

The switch in the brain that sends us off to sleep has been identified by researchers at Oxford University's Centre for Neural Circuits and Behaviour in a study in fruit flies.