Sentences with phrase «influences on our gene»

Through colorful anecdotes and commonsense explanations, author Richard C. Francis, who holds a Ph.D. in biology, delivers an engaging tour of the new science of epigenetics, the study of environmental influences on gene expression.

It's possible that inherited regions of CNV with strong influence on gene expression are targeted for amplification / deletion by cancer cells, which might obscure their effect in an otherwise normal cell.

Environment can have a strong influence on genes in the womb and could account for differences in identical twins, according...

Lobo, Ingrid, Ph.D. «Environmental Influences on Gene Expression.»

In her essay, she described how the interactions between genes and the environment affect human health and disease, concluding that these environmental influences on gene activity allow people to protect their own well - being by cultivating healthy habits.

Not exact matches

In addition to the «subtle influences» of our genes on our behavior, our environment (or surrounding cultural norms and conditions) as well as our nurturing (i.e. upbringing, whom we choose to surround ourselves with and what we think about) is what really makes us who we are.

June 19, 2013 — A Cornell University study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by mutations to DNA sequences that play roles in turning genes on and off.

The organism draws its genes from an enormously variegated gene pool; it develops under the influence of them and also under those of a probably pretty heterogeneous environment; and, at any given stage of its life, the way its genes and its previous environment have acted up to that point may have considerable effect on the nature of the environment to which it will next be subjected — if the animal does not like it here it may migrate someplace else, and so on.

The human microbiome is the composite of genes of the microorganisms (microbiota) living in and on the human body that influence the health and development of the host (1).

While every kids possibility of intelligence is formerly Pre-based on his genes, the amount of that potential the kid may use up is prejudiced by outer factors, like the influence of oldsters, teachers and environments.

Epigenetics (literally «above the gene») is a recent scientific development that examines how particular mechanisms can influence whether certain genes are turned off, turned on, or modify a gene's level of activity.

In this episode, psychiatric geneticist Laura Jean Bierut talks about her article in the April Scientific American about the influence of genes on alcoholism.

Delving into imprinting is also yielding insights into the scaffolding of the genome, and the ways in which parents put a stamp on gene expression, influencing health and disease in their children.

«Epigenetic» marks on genes do not affect the information but do influence gene activity, as the simplified diagrams below show.

Being able to precisely turn on genes within an animal and influence the animal's health is a «great advance,» Gersbach says.

They found that foster parents have a greater influence on the personalities of fostered offspring than the genes inherited from birth parents.

Stories on what we can learn from gene activity after death, and whether the sugar industry really influenced U.S. nutrition policy

Even with this incredibly powerful technology the scientists have now, they are still coming up with these genes that may or may not have a tiny, tiny influence on intelligence.

EPIGENOME DEBUT Chemical modifications to DNA and histones can influence how genes are turned on and off during development and in health and disease.

Gusella explains that the presence of two modifying variants on chromosome 15 — one associated with symptoms appearing an average of six years early, the other associated with an average one - and - a-half-year delay — implies that there may be two actual modifying variants that both influence one modifier gene but in opposite directions.

In the teenage years, however, when youths typically become more independent, genes have a much stronger influence on altruism.

So Axel Visel of the Lawrence Berkeley National Laboratory in California focused on «enhancers»: short sequences of DNA — which are still sometimes called «junk» — that do not code for genes but can influence their activity.

-- that influence when those various genes are turned on and off.

In this study, a team led by Panos N. Papapanou, DDS, PhD, professor and chair of oral, diagnostic and rehabilitation sciences at the College of Dental Medicine at CUMC, «reverse - engineered» the gene expression data to build a map of the genetic interactions that lead to periodontitis and identify individual genes that appear to have the most influence on the disease.

Instead phrases like «the scrub jay wants to do this, decides that this is the right time,» and so on, are shorthand for the more correct but cumbersome, «Over the course of evolution, scrub jays who, at least in part through genetically influenced mechanisms, are better able to optimize the timing of their behavior leave more copies of their genes, thus making this attribute more prevalent in the population.»

Alternatively, epigenetic changes — changes in the way genes are switched on and off — influencing key genes, induced by sex hormones, may be responsible.

Jirtle is well known for his work on mice that carry the agouti gene, which is highly vulnerable to environmental influences.

Our life experiences exert a profound influence on how we age and can even alter the ways genes function without changing the underlying DNA sequence; these genetic changes are called epigenetic traits.

The authors went on to determine where, spatially, this gene acted to influence courtship acceptance of the female fly.

The tests and scans revealed that variation in the genetic code of genes known as ARVCF and FADS2 influenced the risk of brain injury on MRI in the babies.

He figured out how the pairs of genes interact to influence the organism, depending on whether the pair have identical or differing messages.

The use of twins, identical and fraternal, allowed researchers to control for the influences of genes and environment on the development of heart disease and PTSD.

The researchers don't yet know how exactly these genes influence social behavior in either bees or people, but manipulating the genes in honey bees may shed light on what they do in humans, says Alan Packer, a geneticist at the Simons Foundation in New York City, which funds autism research, including this bee work.

Booij and her colleagues hope that this study will shed more light on the specific role of early environmental influences on brain development, gene expression and emotional regulation.

Studying how genes affect different drugs manufactured by different companies gives Poirier greater influence on future drug development, he feels, which would not be possible if he was employed at any one pharmaceutical research lab.

Published in Nature Neuroscience, this new study lends support to the direct influence on creativity of genes found in people with schizophrenia and bipolar disorder.

And the new study gives little information on what the genes might be that influence test scores.

Differences in the ability of a particular gene to influence a child's development depending on who it was inherited from, have been seen in a number of disorders, including Huntington's disease and fragile - X syndrome («Why genes have a gender», New Scientist, 22 May 1993).

A further mystery is whether the order of genes on a chromosome and the spacing between them influence their functions.

By comparing genes of long - and short - lived rodents, researchers from Leibniz Institute on Aging (FLI) in Jena / Germany now identified in a collaborative project several novel genes possibly influencing longevity and healthy aging in mammals.

«Our age has a crucial influence on the effects of psychiatric risk genes.

These loops, whose fluid shapes Dekker likens to «snakes all curled up,» reveal previously unseen ways that the genome's large - scale architecture might influence how specific genes turn on and off, said Miriam Huntley, a doctoral student at Harvard University and a co-author of theCell article.

Beyond offering further proof that single genes can have dramatic influences on longevity, an idea that drew skepticism just a decade ago, the new finding may help scientists explain how severely reducing calorie intake extends life span in a variety of animals (SN: 11/25/00, p. 341: Low - cal diet may reduce cancer in monkeys).

When the toddler son of peaceniks pines for a toy army truck, she argues, he is expressing an inborn tendency toward active, physical play that has been shaped by social influences, not by the effects of a «gun gene» on the Y chromosome.

Stories on how the planet would react to the collapse of a humanmade solar shield, and the influence of our parents» genes on us — even when we don't inherit them

Harmful chemicals, stress and other influences can permanently alter which genes are turned on without changing any of the genes» code.

A study published on December 11th in PLOS Pathogens reports that genetic variants in a gene called IL - 28B influence influenza vaccine responses.

Perera turned the full beam of her attention on Tycko as he explained how the cord - blood samples showed that the gene's activity varied and that it varied in ways that suggested the differences were not random but environmentally influenced.

Noriko Osumi, Kaichi Yoshizaki and colleagues at Tohoku University's Graduate School of Medicine collaborated with Shigeru Wakana and Tamio Furuse at RIKEN Bio-Resource Center, and Tucci Valter at Istituto Italiano di Tecnologia, to conduct comprehensive behavioral analyses on how paternal aging influences the behavior of offspring that inherit a genetic risk (a mutation in Pax6 gene).

«GECCO aims to continue to discover additional colorectal cancer - related variants by investigating how genetic variants are modified by other environmental and lifestyle risk factors, including biomarkers as well as how they influence patient treatment response and survival,» Peters said, emphasizing how much further research is required to uncover the specific mechanisms by which genes modulate the intake of certain foods on colorectal cancer risk.