Sentences with phrase «genetic traces of viruses»

The study, which was based on over seven billion DNA sequences and which is published in Nature Communications, found no genetic traces of viruses in these forms of cancer.

Not exact matches

An international team of influenza researchers in China, the United Kingdom and the United States has used genetic sequencing to trace the source and evolution of the avian H7N9 influenza virus that emerged in humans in China earlier this year.

In the case of the affected hives that Hafernik's group studied, the bees — and the parasitizing flies and their larvae — contained genetic traces of a parasite and a virus that were previously implicated in colony collapse disorder.

With DNA evidence as solid as that used to convict criminals, researchers can trace the shared genetic lineage of life's different branches back to the very base of the tree, some 4 billion years ago, when the interaction between primordial bacteria and viruses culminated in the «mother cell,» the common ancestor of all life on Earth.

In an ambitious study, the authors attempt to trace drug resistance against all strains of the flu by using an extensive influenza virus database containing all known genetic sequence information (70,000 complete nucleotide sequences) for influenza strains.

And indeed, Borucki found genetic traces of the outbreak virus even in the earliest samples.