order rickettsiales
Definition
- Noun:
- A taxonomic order of bacteria: "order Rickettsiales" is the scientific name for a specific order of small, pleomorphic, Gram-negative bacteria. These microorganisms are often obligate intracellular parasites, meaning they typically must live inside the cells of a host organism.
Usage Examples
- Noun:
- Rickettsia and Ehrlichia are genera within the order Rickettsiales.
- The study focused on the evolutionary history of the order Rickettsiales.
- Many bacteria in the order Rickettsiales are transmitted by arthropods like ticks and lice.
Advanced Usage
- Taxonomic context: The term is used almost exclusively in scientific, microbiological, or medical literature when discussing classification, characteristics, or diseases caused by these organisms.
- Phylogenetic analysis confirmed its placement within the order Rickettsiales.
Variants and Related Words
- Rickettsial (adj): Of or pertaining to the order Rickettsiales.
- Rickettsial diseases include typhus and Rocky Mountain spotted fever.
- Rickettsia (n): A genus within the order Rickettsiales, containing many disease-causing species.
- Anaplasmataceae (n): A family within the order Rickettsiales.
Synonyms
- Rickettsias (informal, plural noun): Often used informally to refer to members of this order.
- The patient was infected with rickettsias.
Related Phrases
- "of the order Rickettsiales": A common phrasing to specify taxonomic classification.
- The causative agent is a small bacterium of the order Rickettsiales.
Noun
-
pleomorphic Gram-negative microorganisms
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