NEW YORK (GenomeWeb) – Orthologs of the same gene pair seem to spur mercury methylation across a range of bacterial and archaeal species, according to a study published online today in Science.

"Among bacteria and archaea with sequenced genomes, gene orthologs are present in confirmed methylators but absent in non-methylators," the study's authors explained, "suggesting a common mercury methylation pathway in all methylating bacteria and archaea sequenced to date."

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York University researchers find genomic evidence of inbreeding in the yellow-banded bumblebee, according to Reuters.

In its survey of US adults, the Pew Research Center finds that views on the genetic engineering of animals depend on why it's done.

The Scientist reports agricultural researchers are working on a gene-stacking tool.

In Nature this week: statistical method for overcoming case-control imbalance issues, and more.

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