Sentences with phrase «activity on another chromosome»

For the first time, scientists have shown that a genetic element on one chromosome may direct gene activity on another chromosome.

Not exact matches

In the illustration, each tissue type is followed by the number of genes whose level of activity is controlled by nearby genes on the same chromosome (cis); those whose activity is associated with genes on other chromosomes (trans); and the number of tissue samples studied.

Then, they added estrogen to see if gene activity changed, honing in on TLR8, an X chromosome - linked gene whose expression has already been implicated in the development of lupus.

Reducing sedentary activity appears to lengthen telomeres, which sit on the end of chromosomes, the DNA storage units in each cell, the findings show.

Genes that are grouped together on chromosomes in other animals were dispersed in the octopus genome, likely as a result of transposon activity.

In a paper published by Scientific Reports today, the research team found the activity of this protein, called PTEN (for Phosphatase and tensin homolog deleted on chromosome 10), is different between men and women.

Which parent a chromosome comes from is important because the activity of some genes varies depending on whether the genes are on a chromosome inherited from the mother or from the father.

Their activity outside the chromosomes has been poorly studied; most research has focused on phages integrated into bacterial chromosomes.

The study, publishing online January 18 in the American Journal of Epidemiology, found elderly women with less than 40 minutes of moderate - to - vigorous physical activity per day and who remain sedentary for more than 10 hours per day have shorter telomeres — tiny caps found on the ends of DNA strands, like the plastic tips of shoelaces, that protect chromosomes from deterioration and progressively shorten with age.

In Activity 1, students identify the locations on chromosomes of genes involved in cancer, using a set of 139 «Cancer Gene Cards» and associated posters.

Adults who had been categorized as behaviorally inhibited at the age of 2 years exhibited a higher amygdala activation in response to unknown vs familiar faces16 compared with adults who were uninhibited as children, consistent with the notion that novel or ambiguous environmental stimuli of potential biological relevance activate the amygdala.17 Turning to genes that can influence the neurobiological bases of the processing of emotions, 2 common alleles, the short (S) and the long (L), in a variable repeat sequence of the serotonin transporter (5 - HTT) promoter polymorphism (5 - HTTLPR) on human chromosome 17q11 have been differently associated with greater amygdala activity in response to angry or fearful faces18 in healthy adults.