Aerobe
Aerobe
Aerobe (/ˈɛəroʊb/; from the Greek: αἰθήρ, aithēr, "air" and βίος, bios, "life") is an organism that can survive and grow in an oxygenated environment. This is in contrast to anaerobes, which cannot survive in the presence of oxygen.
Etymology
The term "aerobe" was coined in the late 19th century from the Greek words aithēr (air) and bios (life). It refers to organisms that utilize oxygen to generate energy for growth and survival.
Types of Aerobes
Aerobes can be classified into two types: obligate aerobes and facultative aerobes. Obligate aerobes require oxygen for aerobic cellular respiration and cannot survive without it. On the other hand, facultative aerobes can grow in the presence of oxygen but can switch to anaerobic metabolism if oxygen is absent.
Related Terms
- Microaerophile: These are organisms that require oxygen to survive, but at lower concentrations than are present in the atmosphere.
- Aerotolerant organisms: These organisms do not use oxygen for growth, but they tolerate its presence.
- Anaerobe: These are organisms that do not require oxygen for growth. They may react negatively or even die if oxygen is present.
See Also
External links
- Medical encyclopedia article on Aerobe
- Wikipedia's article - Aerobe
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