Sentences with phrase «when genes change»

When genes change in response to their environment, it's called evolution.

Not exact matches

When genes spontaneously change, or mutate, they produce different traits.

By Lauren Kearney You may have first seen Gene Baur when he was featured talking about how not eating animal products changed his life in the inspirational pro-vegan film, Forks Over Knives.

Such methods include cell fusion, microencapsulation and macroencapsulation, and recombinant DNA technology (including gene deletion, gene doubling, introducing a foreign gene, and changing the positions of genes when achieved by recombinant DNA technology).»

Kids can't change the genes that will determine how tall they will be or when puberty starts.

«Some people are protected from the effects of sleep deprivation by this particular gene variation but, for most of us, sleep loss does something to the brain that simply prevents us from switching gears when circumstances change.»

«Our research shows this particular gene influences a person's ability to mentally change direction when given new information,» Van Dongen said.

Porcar's team engineered gene switches in Escherichia coli to produce proteins that emit different coloured fluorescent light when factors such as heat, acidity and oxygen levels change.

«In addition, changes in how the genes are expressed (turned on or off) could be used in the future to predict how and when the cancer cells will spread to other parts of the body and how fast they will grow.»

The overlap in gene expression changes when neural progenitor cells are infected by African or Asian strains of Zika virus.

The two - step process of TILT — getting sick upon toxicant exposure and failing to get well — may be driven by epigenetic changes, which occur when the environment alters the expression of genes without changing the core DNA code itself.

Finally, the team identified a network of genes in these regions that exhibit changes in expression when the normal boost from serotonin is lacking, and these changes depended on how long the drug was given.

When pandas changed diets the Tas1r1 gene became obsolete and, without it, they might not have wanted to eat meat even when it became plentiWhen pandas changed diets the Tas1r1 gene became obsolete and, without it, they might not have wanted to eat meat even when it became plentiwhen it became plentiful.

And when asked about the possibility of gene editing giving babies a much reduced risk of serious disease, some 49 % of adults say this would be less acceptable if it changed the genetic makeup of the whole population.

Vogelstein, Kenneth Kinzler, and other colleagues found a minor change in the APC gene, which normally holds cell growth in check and can cause colon cancers when mutated.

However, the downside comes when the inevitable accumulation of mutations takes its toll, or changes to the environment make gene combinations less well suited than they had once been.

When Orlando and colleagues examined horse DNA for genes that may have rapidly changed during domestication, they too found genes involved in neural crest cell function.

When produced in excess during times of adversity, these particular miRNAs trigger epigenetic changes, which alter gene activity to cope with these environmental hardships.

When pathogens infect the cells of the body, the infection sets off a chain reaction involving the immune system that changes the activity, or expression, of hundreds of genes.

Marine mussels brave their constantly changing environment by switching on and off genes so they can perform necessary life tasks when its best to do so.

When his team looked at gene expression changes in the mice, then applied them to humans with early stage cancer, the results revealed a breakdown of which patients have a high or low chance of survival.

The axiom, «growing like a weed,» takes on new meaning in light of changes in gene expression that occur when weeds interact with the crops they infest, according to plant scientist Sharon Clay.

These modifications, known as «epigenetic» changes, help determine how and when genes are used.

«We found sets of genes in young birds whose levels change when they sing, and are linked to learning,» said White, who is also a member of UCLA's Brain Research Institute.

Curious about the possibility of circular RNAs contributing to cancer, Pandolfi and his colleagues set out to see if they could detect relevant changes in tumors known to harbor distinct fusion proteins, which result when different chromosomes abnormally join together, melding two separate genes into a new centaur - like gene.

When Bordenstein and Brucker compared gene expression patterns in normal and microbe - free offspring, they found significant changes in many of the genes involved in the immune response (Science, doi.org/m87).

Steve: The changes were in those other sequences that determine how those genes get expressed, when they get turned on and off and in what numbers.

Global warming has changed the genes that tell pitcher plant mosquito larva (inset) when to hibernate in the winter.

She hopes to pinpoint which genes are expressed in each cell type when brain cells make long distance connections, and to make similar maps in other primates to chart what changed as brains rewired over the course of evolution.

This same feature, tumor heterogeneity, may reduce the ability to identify critical gene expression changes when comparing mean gene expression in adjacent tumor and normal tissues, as tumors of the same type may have different sets of genes differentially expressed.

Cell receptors will receive a signal from outside, and when it binds, that information is transmitted through the receptor to other proteins within the cell, [creating] a chain of events to change how the gene works in the cell.

If the living conditions change, say when the temperature drops or the lipid composition changes, then a different lipid uptake gene adapted to that condition sets in.

When this protein is damaged or missing, it changes the activity of multiple genes and causes Rett syndrome, a disorder marked by developmental delays, seizures and autism - like behaviors.

If so, it could make cell fate more resilient to random mutations in a plant's genetic code, even when such changes keep some gene - regulating proteins from binding their intended DNA targets.

When the researchers subjected adolescent mice with the gene mutation to either social stress or caloric restriction, but not both, the animals exhibited little change in feeding behavior.

When two copies of the altered hemoglobin gene are present, they cause the shape of the hemoglobin to change so much that the «sickled» blood cells don't flow freely in the blood vessels, causing excruciating pain.

But when they disrupted the clock mechanism by inhibiting the responsible genes, the periodically changing variations in the lipids were mostly lost.

Although it was first seen in the 1940s to be the evolutionary glue that held species together, and thus a significant evolutionary force, a few decades later when quantitative data on gene flow in plant populations began being collected, this view changed as evidence seemed to indicate that gene flow was not all that significant.

«When you domesticate animals, you tend to change genes in that system,» he says.

This matters when diagnosing leukaemia, where overexpression of genes makes the cell's genome change shape.

«When we looked at gene expression, we found fairly small changes in 65 million years of the macaque, orangutan and chimpanzee evolution,» Gilad explains.»

When they experience a big shift in temperature, they change the genes that are expressed in the cell.

When studying how normal cells change into cancer cells, dos Santos and other cancer researchers pay close attention to gene expression.

Silent mutations occur when the change of a single DNA nucleotide within a protein - coding portion of a gene does not affect the sequence of amino acids that make up the gene's protein.

When Pollin and her colleagues sequenced the gene in their Amish volunteers, they found a mutation that matched with those who had lower triglycerides to start with and whose blood levels changed relatively little after drinking the milkshake.

To work out the genetic basis, Duke University postdoctoral associate Bob Fitak and biology professor Sönke Johnsen and colleagues investigated changes in gene expression that take place across the rainbow trout genome when the animal's magnetic sense is disrupted.

The immunotherapy drug pembrolizumab, when combined with chemotherapy, doubles survival in patients with non-squamous non-small cell lung cancer (NSNSCLC) lacking genetic changes in the EGFR or ALK genes, when compared to...

When the researchers looked at the role of genes that were methylated by genes with code differences related to ASD, including additional genes beyond those with direct code changes, they found that the majority were involved in biological pathways that were important in immune function.

The NIH Common Fund's Library of Integrated Network - based Cellular Signatures (LINCS) program aims to create a network - based understanding of biology by cataloging changes in gene expression and other cellular processes that occur when cells are exposed to a variety of perturbing agents.

The majority of that specialization is governed by epigenetic changes — histone modifications, DNA accessibility, and methylation — that influence when and how genes are expressed.