Investigating the "underground" habitat of Listeria bacteria

The literature describes Listeria as ubiquitous bacteria with widespread occurrence. Yet they only become a problem for humans and animals when they contaminate food processing facilities, multiply, and enter the food chain ...

Ion and lipid transporters specialize for their niche

Cell viability requires that a variety of functions at the cell membrane are maintained properly. P-type ATPases translocate substrates across the membrane, and they have evolved into different types taking care of specific ...

Five new Listeria species found; may improve tests

(Phys.org) —Cornell researchers have discovered five new species of a group of bacteria called Listeria – including one named for Cornell – that provide new insights that could lead to better ways to detect soil bacteria ...

Squid pigments have antimicrobial properties

Ommochromes, the pigments that colour the skin of squids and other invertebrates, could be used in the food and health sectors for their antioxidant and antimicrobial properties. This is confirmed by analyses carried out ...

Food-borne pathogen Listeria may hide from sanitizers in biofilms

An estimated 1,600 people in the U.S. contract a serious infection from Listeria bacteria in food each year, and of those individuals, about 260 people die, according to the Centers for Disease Control and Prevention. Penn ...

Host factors identified for infections caused by listeria

Professor Juan José Quereda Torres at the Faculty of Veterinary Studies of the CEU Cardenal Herrera University of Valencia, has just published the results of his study into the infectious process of the Listeria monocytogenes ...

Some online-purchased cheeses are of low quality

Online shopping saves time and provides an enormous product choice, which can be especially convenient during the Christmas shopping season. According to a German market study, six percent of all fresh foods sold today are ...

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