Haloplasma

Haloplasma is a genus of archaea that belongs to the family Halobacteriaceae. The only species in this genus is Haloplasma contractile. This archaeon was first isolated from a salt-saturated brine pool in Spain. It is unique among the archaea in that it is contractile and can change its shape.

Characteristics

Haloplasma contractile is a halophile, meaning it thrives in high-salt environments. It is also thermophilic, with an optimal growth temperature of around 37 degrees Celsius. The cells of Haloplasma contractile are irregularly shaped and can contract, a characteristic that is unique among the archaea.

Habitat

Haloplasma contractile was first isolated from a salt-saturated brine pool in Spain. It can also be found in other high-salt environments, such as salt lakes and salt mines.

Taxonomy

The genus Haloplasma belongs to the family Halobacteriaceae, which is part of the order Halobacteriales. This order is within the class Halobacteria, which is a member of the phylum Euryarchaeota.

Research

Research on Haloplasma contractile and other members of the Halobacteriaceae family is ongoing. These organisms are of interest due to their ability to survive in extreme environments, which may provide insights into the possibility of life on other planets.

See also

• Archaea
• Halophile
• Thermophile
• Halobacteriaceae
• Halobacteriales
• Halobacteria
• Euryarchaeota

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