micro - gram pos bacillus (regular rods)

regular rods

non spore forming rods that have two parallel sides with rounded ends

listeria monocytogenes

facultative anaerobe, high salt concentration for growth, exhibits and end over end tumbling motility

umbrella

the end over end motility results in an _____ shape in solid agar at ROOM TEMP only

listeria monocytogenes

narrow zone of beta hemolysis, resembles GBS and may react with streptococcal group B and G antisera

listeria monocytogenes

catalase pos, esculin pos, motility pos, CAMP pos

listeria monocytogenes

ingested via contaminated food, can enter the bloodstream and cause systemic illness; outbreaks associated with soft cheeses, hot dogs, fish, shellfish, ice cream, lunch meat

listeria monocytogenes

intracellular pathogen and can infect hepatocytes, epithelial cells, and phagocytic cells

listeria monocytogenes

pregnant women exhibit flu like symptoms that are not severe, can become septic and cross placenta and lead to premature birth, spontaneous abortion, or stillbirth