Sentence examples for mutation of existing from inspiring English sources

New epidemic strains could potentially occur through mutation of existing epidemic strains or through gene transfer.

The mutational source of adaptation - a symbiont in other members of the ecological community rather than a mutation of existing genetic material - is likely to change our understanding of arthropod evolution.

The mutation of existing RmInt1 elements is therefore unlikely to account for FRE652, and the most plausible explanation seems to be that FRE652 represents a genomic record of the history of an intron closely related to RmInt1.

"Films have included radiation as well as mutations of existing conditions such as prions, mad-cow disease, measles, and rabies," he said.

Time after time, nature has been able to find a use for the new proteins that originate from random mutations of existing proteins: classic examples of this are the vast classes of enzymes that break down molecules of ATP and GTP in cells (Leipe et al., 2002; Iyer et al., 2004).

These new species result from either a successful mutation or recombination of existing genes that have adapted to a change in the physical environment.

Two main sources have been proposed for the evolution and acquisition of novel traits by bacteria: (i) duplication, mutation and recombination of existing genes within a single lineage, and (ii) lateral gene transfer between lineages.

Instead, opsins arose by mutation of an existing receptor to render it light-sensitive.

It may have been the result of a new mutation of an existing virus.

But it is not yet clear whether it is a mutation of an existing virus or an infection in animals that has made the jump to humans.

Essentially, this is an extension of the coding region by mutation of an existing termination codon into one specifying an amino acid, so that the ORF is extended until the next occurrence of an in-frame termination codon.