Alphaproteobacteria
Alphaproteobacteria
Alphaproteobacteria (pronounced: al-fa-pro-teo-bac-te-ria) is a class of bacteria within the phylum Proteobacteria. The name "Alphaproteobacteria" is derived from the Greek alphabet 'alpha', referring to the first in a series, and the word 'proteobacteria', a major group (phylum) of bacteria.
Etymology
The term "Alphaproteobacteria" is a combination of 'alpha', the first letter of the Greek alphabet, and 'proteobacteria', a phylum of gram-negative bacteria. The 'alpha' signifies the first or primary group within the Proteobacteria phylum. The term 'proteobacteria' is named after the Greek god Proteus, who could change his form, reflecting the diversity and adaptability of this group of bacteria.
Description
Alphaproteobacteria is a diverse class of bacteria that includes several medically and ecologically significant groups. They are capable of occupying a wide range of environments due to their metabolic diversity. Some members of this class are photosynthetic, while others are symbiotic with plants or are involved in nitrogen fixation.
Related Terms
- Proteobacteria: The phylum to which Alphaproteobacteria belongs.
- Rhizobiales: An order within the Alphaproteobacteria class, known for their symbiotic relationship with plants.
- Rickettsiales: Another order within the Alphaproteobacteria class, many of which are intracellular parasites.
- Caulobacterales: An order of Alphaproteobacteria that includes several species of stalked bacteria.
See Also
External links
- Medical encyclopedia article on Alphaproteobacteria
- Wikipedia's article - Alphaproteobacteria
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