A511::luxAB is a recombinant derivative of a broad-host-range bacteriophage specific for the genus Listeria, transducing bacterial bioluminescence into infected cells. In this study, we have evaluated its use for rapid and easy testing of contaminated foods and environmental samples for the presence of viable Listeria cells, in comparison to the standard plating procedure. With a short preenric...

When you study logic you study something you’ve already been doing most of your life: reasoning, or making inferences. Making inferences is like connecting the dots that make up a picture, or recognizing how things hang together. It’s a way of making connections. For example, if you’re lactose intolerant, and you discover that the food on your plate contains ricotta cheese, you’ll probably infe...