Scientists have proposed a molecular version of Koch’s postulates for associating a bacterium with a disease. What would such postulates look like, and what would be their limitations? The genomes of...

Scientists have proposed a molecular version of Koch’s postulates for associating a bacterium with a disease. What would such postulates look like, and what would be their limitations?

The genomes of a number of bacterial pathogens have now been completely sequenced. How might the availability of this information affect the definition of virulence factors?