Sulfolobus solfataricus – NBRC 15331

Sulfolobus solfataricus

Sulfolobus solfataricus

NBRC No. NBRC 15331
Scientific Name of this Strain Sulfolobus solfataricus Zillig et al. 1980
Synonymous Name
Type Strain type
Accepted Date 1992/05/28
Isolated Year
Deposited Year
History IFO 15331 <- DSM 1616 <- W. Zillig
Other Culture Collection No. DSM 1616=ATCC 35091=JCM 8930
Other No.
Rehydration Fluid 281
Medium 281
Cultivation Temp. 70 C
Oxygen Relationship
Source of Isolation volcanic hot spring
Locality of Source
Country of Origin Italy
Biosafety Level
Mating Type
Genetic Marker
Plant Quarantine No.
Animal Quarantine No.
Herbarium No.
References 461,1027
Sequences 16S rDNA
Shipping as Glass ampoule (L-dried)

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Saccharolobus solfataricus is a species of thermophilic archaeon. It was transferred from the genus Sulfolobus to the new genus Saccharolobus with the description of Saccharolobus caldissimus in 2018.

It was first isolated and discovered in the Solfatara volcano which it was subsequently named after. However, these organisms are not isolated to volcanoes but are found all over the world in places such as hot springs. The species grows best in temperatures around 80° Celsius, a pH level between 2 and 4, and enough sulfur for solfataricus to metabolize in order to gain energy. These conditions qualify it as an extremophile and it is specifically known as a thermoacidophile because of its preference to high temperatures and low pH levels. It usually has a spherical cell shape and it makes frequent lobes. Being an autotroph it receives energy from growing on sulfur or even a variety of organic compounds.

Currently, it is the most widely studied organism that is within the Crenarchaeota branch. Solfataricus are researched for their methods of DNA replication, cell cycle, chromosomal integration, transcription, RNA processing, and translation. All the data points to the organism having a large percent of archaeal-specific genes, which showcases the differences between the three types of microbes: archaea, bacteria, and eukarya.

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