Sentences with phrase «fly gene for»

Collins and Anthony James of the University of California, Irvine, thought they might use the mutant bug to test a fancy trick: Take a bit of DNA, called a transposon, that likes to wiggle into genomes, and use it to insert a fruit fly gene for darker eye color into a mosquito's DNA.

Not exact matches

When Hawaii Islander Outfielder Gene Locklear failed to run out a pop fly for the second time in four days, Manager Roy Hartsfield suspended him, and Locklear spent three days on the bench without pay.
Gene drives enable a gene to spread rapidly through a population; there are plans to use them to combat mosquito - borne diseases by making the flies sterile or unsuitable as hosts for various viruses and parasiGene drives enable a gene to spread rapidly through a population; there are plans to use them to combat mosquito - borne diseases by making the flies sterile or unsuitable as hosts for various viruses and parasigene to spread rapidly through a population; there are plans to use them to combat mosquito - borne diseases by making the flies sterile or unsuitable as hosts for various viruses and parasites.
The scientists compared the genetic sequence of five related strains of the species, looking for orphan genes and examining the life cycles of the various genes in the fly genome.
An exciting prospect for the future involves the recovery of an entire system of clock - regulated genes in organisms such as fruit flies and mice.
«Knocking down the expression of this gene is lethal for fruit flies — male and female,» said Anholt, who also directs NC State's W.M. Keck Center for Behavioral Biology.
I was looking around for insights when I came across the very thin literature on the genes that sculpt fruit fly bodies, including the study of spectacular mutants.
The fly has orthologs to 177 of the 289 human disease genes examined and provides the foundation for rapid analysis of some of the basic processes involved in human disease.
NASA astronaut Peggy Whitson performed the Genes in Space - 3 investigation aboard the space station using the miniPCR and MinION, developed for previously flown investigations.
In another group, the disabled gene made it difficult for fly brain cells to reinforce new connections that encode memories.
The same gene network also plays a role in programming the fly neurons responsible for taste, the researchers report in the journal PLOS Genetics.
By comparing the genetic sequences of the mutant and normal flies, the researchers found that the forgetful flies had an inactive copy of a gene that he and his Chilean collaborators dubbed Volado (Vol)-- South American slang for absentminded.
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.
Zwiebel and colleagues scanned the mosquito genome looking for genes similar to those that generate fruit fly odorant receptors, proteins that project from nerve cells and initiate a biochemical cascade when they encounter certain molecules in the air.
As the genomes of the two types of fly mixed, those genes responsible for Dark - fly's unique adaptations should become more common in the colony kept in the dark.
They found that one group of flies, with a mutation in the gene they would later call Wide Awake (or Wake for short), had trouble falling asleep at night, a malady that looked a lot like sleep - onset insomnia in humans.
The study, conducted using fruit fly populations bred to model natural variations in human sleep patterns, provides new clues to how genes for sleep duration are linked to a wide variety of biological processes.
This longstanding testbed for embryologists actually has more genes in common with us than worms or fruit flies do.
Now researchers have identified a single gene, called fruitless (fru), as responsible for the development of male sexual behavior in the fly.
For instance, one protein produced by a key fruit fly gene serves two separate functions over the course of fly development.
When the scientists looked for the human version of the newly identified fly marker for sleep deprivation, they found ITGA5 and realized it hadn't been among the human immune genes they screened at the start of the study.
If a certain temperature is reached, for example, the genes within the modified spotted wing flies would trigger its death.
The researchers analyzed the genetic control of a gene responsible for coordinating the formation of a simple structure in fruit flies — a wing vein — during its development.
Researchers have known for several years that when fruit fly larvae metamorphose into adults, a gene called fringe produces a protein that tells certain cells to become the wing margin, the leading edge of a developing wing.
To home in on the gene responsible, evolutionary biologists Chung - I Wu and Chau - Ti Ting at the University of Chicago inserted progressively shorter pieces of DNA from one species, Drosophila simulans, into a fly of another species, Drosophila mauritiana, and tested them for fertility.
In their paper, the researchers suggest that actin might not be an ideal target for crop protection, for this reason — the house fly's actin gene is 80 per cent identical to the beetle's, for example.
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.
«Sleep tight, fruit fly: Scientists find gene responsible for sleep deprivation and metabolic disorders.»
Vosshall then turned to the mosquito genome to search for genes akin to those of flies.
Using the Drosophila melanogaster fruit fly as a model organism, the team led by Prof. Dr. Ingrid Lohmann at Heidelberg University's Centre for Organismal Studies was able to show how a special developmental gene from the Hox family influences germline stem cells.
«So you could imagine if you are a fly, preferences for sugar, the tendency to store a lot of fat and the tendency to move less could all be contributing to the likelihood of being more obese if you have low levels of this gene, or to be leaner if you have higher levels.»
One biotechnology company executive flew from the United States to Colombia to try out her company's gene therapy for lengthening telomeres.
The big thing then (as now), Ruvkun says, was for researchers to demonstrate that a gene of interest exists in a spectrum of different species — from roundworms and fruit flies to humans.
Says Kevin Fitzgerald, a worm researcher at Bristol - Myers Squibb, «Some of the same genes and components that are responsible for cancer, breast cancer for instance, or Alzheimer's disease, are actually found, and they seem to function very similarly, in both worms and flies
In nature, fruit flies called «rovers» with high amounts of the gene tend to move a lot, eat very little and stay lean, while flies with low amounts of for called «sitters» are the opposite.
When flying isn't essential for survival, the mutations that hinder flight can gradually accumulate in the gene pool.
In 2004 Guilherme Neves and Andrew Chess, now at the Center for Human Genetic Research at Massachusetts General Hospital, tracked the roles played by other genes on chromosome 21 — in this case using a fruit fly as the model.
«In model organisms, like yeast or flies, scientists often generate mutations to determine which letters in a DNA sequence are needed for a particular gene to function,» explains CSHL Professor Adam Siepel.
They compared space - flown endothelial cells to endothelial cells cultured under normal gravity, looking for differences in gene expression and / or in the profile of secreted proteins.
In order to find the genes that guide that migration, geneticist Ruth Lehmann of the Howard Hughes Medical Institute at New York University Medical School and her colleagues used chemicals to cause mutations in thousands of adult fruit flies then screened their embryonic offspring for lost or misguided germ cells.
A team of biologists led by Gerald Wilkinson of the University of Maryland, University Park, studied a type of Malaysian fly, called Cyrtodiopsis, with a strange genetic battle being waged inside its body: To perpetuate themselves, genes on the fly's X chromosome code for proteins that kill sperm carrying a Y chromosome.
In worms, mice and flies, for instance, researchers have radically extended lifespan by suppressing genes involved in growth - factor signalling, or by restricting food.
To get around this problem, neurobiologists Susana Lima and Gero Miesenböck of the Yale University School of Medicine in New Haven, Connecticut, inserted a gene that codes for a rat ion channel into Drosophila fruit flies.
To see what genes might be involved in this increased aggression, the team used microarrays to look for differences in gene expression in fly brains.
The scientists sifted through the collection looking for mutant flies with walking impairments and soon zeroed in on several impaired walkers that turned out to have mutations in the same gene.
The researchers used this live - imaging technique to study fly embryos at a key stage in their development, approximately two hours after the onset of embryonic life where the genes undergo fast and furious transcription for about one hour.
In spite of the difference between the cell functions responsible for giving rise to a tumour and for the metastasis of this same tumour, studies at IRB Barcelona using the fly Drosophila melanogaster reveal that some genes can drive both phenomena.
A regulatory factor called Dorsal controls a network of genes crucial for development of fruit fly embryos.
Roughly 75 % of disease - causing genes in humans are also found in the fruit fly, and most of the components found in human heart cells are also found in the fly heart, thus providing a model for studying cardiovascular changes.
The FOXO gene is important for longevity in a wide variety of species, including yeast, flies, worms and humans, so the team say the findings may have broad implications.
a b c d e f g h i j k l m n o p q r s t u v w x y z