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Yersinia
00:01 Yersinia, a bacteria. 00:03 The Yersinia are gram negative rods such as you see in the image on the slide. 00:09 They’re facultatively intracellular and are quite mobile when evaluated under a microscope. 00:15 They are oxidase negative and lactose negative. 00:19 And they’re commonly known pathogens at least in the gut sense. 00:25 Yersinia enterocolitica, the second bullet point is the most common. 00:30 Yersinia pestis, unfortunately, is our huge foe because it has been associated in the past with the Plague, the Black Death. 00:39 It is quite nasty and at the 1300s in the form of the Black Death, it eradicated over a third of Europe’s population. 00:48 Because it is so nasty, let’s talk about it first.
About the Lecture
The lecture Yersinia by Sean Elliott, MD is from the course Bacteria.
Included Quiz Questions
Which of the following characteristics best describe Yersinia species?
- Gram-negative, facultative, intracellular rods
- Gram-negative, obligate, intracellular rods
- Gram-negative, facultative, intracellular cocci
- Gram-positive, obligate, extracellular rods
- Gram-positive, facultative, extracellular cocci
Author of lecture Yersinia
Sean Elliott, MD
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