Based on sequences for hundreds of E. coli ST131 lineage isolates, researchers propose a model that involves negative frequency-dependent selection on accessory parts of the genome.
The nucleic acid diagnostic platform they are developing doesn't require expensive optics, and it could be available as a manufacturing prototype in about a year.
Using meat and clinical samples collected prospectively over a year, researchers found evidence for poultry-to-human transmission of Escherichia coli sequence type 131.
The firm said that a number of hospitals and labs are expected to evaluate the panel, presenting it with about a $2.0 million annual revenue opportunity.
A genetic analysis of salmon scales collected over the course of a century points to a sharp decline in the number of fish returning each year to river in British Columbia, CBC reports.
