Sentence examples for much older genes from inspiring English sources

A few tentative conclusions are possible regarding the possible origins of ORFans, which might emerge as annotation artifacts, horizontally acquired genes, de novo genes, or highly diverged homologs of much older genes.

They were calculated separately for Eutheria-specific domesticated genes and for much older domesticated genes that originated early in vertebrates.

In contrast, non-disease genes show a strong relationship between rate of evolution and gene age, with younger genes evolving much faster than older genes.

Such characters are at least as important in the much older eubacteria where gene trees are usually still less well resolved at the base, probably through a combination of substitutional saturation and rapid early radiation of all eubacterial phyla.

Cortese and colleagues [ 51] also compared promoter CG methylation patterns among several members of the much older human T Box (TBX) gene family in which the most gene duplications date back 300 to 600 million years.

The HLA-A and -B genes are much older, and orthologues have been described in Old World monkey species such as the rhesus macaque.

Taken together, our results indicate that CCA1-like and TBP-like genes are much older than previously thought.

Our analysis of MCCD1 (Mitochondrial Coiled-Coil Domain) shows that this gene is much older than had been previously thought.

We propose that the aromatase gene family is much older than previously hinted.

As we show in this study, LTR retrotransposons contain intact gene copies that are much older than the time of the retroelement insertion within a genomic region.

To this end, I integrate concepts such as the nature of phyla, the Cambrian explosion, constraint, evolvability, and results from recent research on gene regulatory networks with the much older concept of the body plan.