yersinia pestis
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Definition
- Noun:
- A pathogenic bacterium: Yersinia pestis is a Gram-negative, rod-shaped bacterium of the family Enterobacteriaceae.
- The causative agent of plague: It is the specific bacterium responsible for causing bubonic, septicemic, and pneumonic plague in humans and other mammals.
Usage Examples
- Noun:
- The Black Death of the 14th century was caused by Yersinia pestis.
- Scientists study Yersinia pestis to understand its transmission and develop vaccines.
- A confirmed diagnosis required the isolation of Yersinia pestis from the patient's sample.
Advanced Usage
- Scientific and Medical Context: The term is used almost exclusively in technical, historical, and public health contexts.
- The genomic analysis of ancient Yersinia pestis has revealed insights into historical pandemics.
- Bioweapon Concern: Refers to the potential malicious use of the bacterium.
- International treaties aim to prevent the weaponization of pathogens like Yersinia pestis.
Variants and Related Words
- Plague bacillus: A common historical and alternative name for .
- Y. pestis: The standard abbreviated form used in scientific literature.
- Pasteurella pestis: An obsolete taxonomic name for the same bacterium.
Synonyms
- Plague bacterium: A descriptive synonym emphasizing the disease it causes.
Related Phrases and Terms
- Bubonic plague: The most common form of plague, characterized by swollen lymph nodes (buboes), caused by .
- Pneumonic plague: A severe lung infection form of plague caused by .
- Septicemic plague: A bloodstream infection form of plague caused by .
Noun
- a bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon