Deltaproteobacteria
Deltaproteobacteria
Deltaproteobacteria (pronunciation: del-ta-pro-teo-bac-te-ria) is a class of Proteobacteria.
Etymology
The term "Deltaproteobacteria" is derived from the fourth letter of the Greek alphabet, Delta, and the biological term "proteobacteria". The prefix "Delta" is used to denote the fourth main subgroup of Proteobacteria, while "proteobacteria" is a major phylum of bacteria.
Definition
Deltaproteobacteria are a diverse group of bacteria that are known for their metabolic versatility. They are involved in a wide range of ecological processes, including sulfate reduction, nitrogen fixation, and methanogenesis.
Related Terms
- Proteobacteria: A major phylum of bacteria that includes a variety of pathogens, such as Escherichia, Salmonella, Vibrio, Helicobacter, and many other notable genera.
- Sulfate reduction: A form of anaerobic respiration that utilizes sulfate as a terminal electron acceptor, producing hydrogen sulfide as a waste product.
- Nitrogen fixation: The process by which nitrogen in the Earth's atmosphere is converted into ammonia or other molecules available to living organisms.
- Methanogenesis: The formation of methane by microbes known as methanogens.
Classification
Deltaproteobacteria is classified under the phylum Proteobacteria. It includes several orders such as:
Each of these orders includes various families and species of bacteria, many of which are significant in environmental and industrial processes.
External links
- Medical encyclopedia article on Deltaproteobacteria
- Wikipedia's article - Deltaproteobacteria
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