Sentences with phrase «versions of a gene within»

The study illustrates the genetic foundation of evolution, including how genes can flow from one species to another, and how different versions of a gene within a species can contribute to the formation of entirely new species, the researchers report in the journal Nature.

Not exact matches

Upon sequencing the DNA, they found that DNA fragments containing mutated genes — markers of tumors — were typically smaller than healthy versions of the gene from within the same patient.

Some alleles corresponded to higher levels of IL - 1ß, and people with these versions of the genes were five times more likely to suffer from stomach cancer — perhaps because a surplus of IL - 1ß, by shutting down acid production and sustaining an inflammation of the infected areas, allows H. pylori to spread further within the stomach, the authors speculate.

The group took the first step toward their goal of a novel engineering strategy for yeast by creating what is known as a cDNA library: a collection of over 90 % of the genes from the genome of baker's yeast (Saccharomyces cerevisiae), arranged within a custom segment of DNA so that each gene will be, in one version, overactive within a yeast cell, and in a second version, reduced in activity.

It is anticipated that within the next few years, several versions of gene drive will be developed that build in even more safeguards to eliminate non-target impact.

It tended toward greater heterozygosity — a mix of gene versions — within individual dogs, maintained genetic diversity in the breed, and therefore lessened the likelihood that bad genes for things like eye disease would match up.