Betaproteobacteria
Betaproteobacteria
Betaproteobacteria (pronunciation: /ˌbeɪtəˌproʊti.oʊbækˈtɪəriə/) is a class of Gram-negative bacteria that belongs to the phylum Proteobacteria.
Etymology
The term "Betaproteobacteria" is derived from the Greek letter beta, indicating the second class of the phylum Proteobacteria in the taxonomic hierarchy.
Description
Betaproteobacteria are diverse in their metabolic capabilities and ecological roles. They include both autotrophs and heterotrophs, and can be found in a variety of environments, including soil, freshwater, and the human body. Some species are known to be pathogenic, while others play important roles in nutrient cycling.
Genera
Some of the notable genera within the class Betaproteobacteria include:
Pathogenicity
Certain species of Betaproteobacteria, such as those in the genus Neisseria, are known to cause diseases in humans. For example, Neisseria gonorrhoeae is the causative agent of gonorrhea, and Neisseria meningitidis can cause meningitis.
Ecological Role
Betaproteobacteria play a significant role in the nitrogen cycle. Genera like Nitrosomonas are involved in the process of nitrification, converting ammonia to nitrite in the soil and aquatic environments.
Related Terms
- Gram-negative bacteria
- Proteobacteria
- Autotrophs
- Heterotrophs
- Burkholderia
- Neisseria
- Nitrosomonas
- Gonorrhea
- Meningitis
- Nitrification
External links
- Medical encyclopedia article on Betaproteobacteria
- Wikipedia's article - Betaproteobacteria
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