bacteroid
Học thuậtThân thiện
Definition
Adjective:
- Resembling bacteria: Having a shape, structure, or appearance similar to that of bacteria.
Noun:
- A rodlike bacterium: Specifically, any of the rod-shaped or branched bacteria found in the root nodules of nitrogen-fixing plants, such as those in the genus Rhizobium.
Usage Examples
Adjective:
- Under the microscope, the cellular structure appeared bacteroid.
- The bacteroid form of the microorganism made it difficult to classify.
Noun:
- The bacteroid within the root nodule is essential for nitrogen fixation.
- Scientists studied the bacteroid to understand its symbiotic relationship with legumes.
Advanced Usage
- "Bacteroid state": Refers to the differentiated, often pleomorphic (variably shaped) form of certain bacteria, like rhizobia, inside plant host cells.
- Inside the nodule, the bacteria differentiate into a bacteroid state.
Variants and Related Words
- Bacteroidal (adj): An alternative adjective form meaning resembling bacteria.
- The bacteroidal morphology was observed.
- Bacteroides (n, proper): A genus of anaerobic, rod-shaped bacteria. Note: This is a specific taxonomic name, not a direct variant of "bacteroid."
- Bacteroides species are common in the human gut.
Synonyms
- Adjective: Bacteria-like, bacterial.
- Noun: Rhizobial bacteroid (context-specific), endosymbiotic bacterium.
Related Phrases
- "Bacteroid formation": The process by which bacteria transform into the bacteroid form.
- The lecture covered the steps of bacteroid formation in symbiotic nitrogen fixation.
Adjective
- resembling bacteria
Noun
- a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)