| Bacillus aerophilus | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | "Firmicutes" |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Bacillaceae |
| Genus: | Bacillus |
| Species: | B. aerophilus |
| Binomial name | |
| Bacillus aerophilus Shivaji et al. 2006 | |
Bacillus aerophilus is a species of bacteria first isolated from cryogenic tubes used for collecting air samples from high altitudes, hence its name. Its type strain is 28KT (=MTCC 7304T =JCM 13347T). [1]
Bacillus safensis is a Gram-positive, spore-forming, and rod bacterium, originally isolated from a spacecraft in Florida and California. B. safensis could have possibly been transported to the planet Mars on spacecraft Opportunity and Spirit in 2004. There are several known strains of this bacterium, all of which belong to the Firmicutes phylum of Bacteria. This bacterium also belongs to the large, pervasive genus Bacillus. B. safensis is an aerobic chemoheterotroph and is highly resistant to salt and UV radiation. B. safensis affects plant growth, since it is a powerful plant hormone producer, and it also acts as a plant growth-promoting rhizobacteria, enhancing plant growth after root colonization. Strain B. safensis JPL-MERTA-8-2 is the only bacterial strain shown to grow noticeably faster in micro-gravity environments than on the Earth surface.
Geobacillus stearothermophilus is a rod-shaped, Gram-positive bacterium and a member of the division Firmicutes. The bacterium is a thermophile and is widely distributed in soil, hot springs, ocean sediment, and is a cause of spoilage in food products. It will grow within a temperature range of 30 to 75 °C. Some strains are capable of oxidizing carbon monoxide aerobically. It is commonly used as a challenge organism for sterilization validation studies and periodic check of sterilization cycles. The biological indicator contains spores of the organism on filter paper inside a vial. After sterilizing, the cap is closed, an ampule of growth medium inside of the vial is crushed and the whole vial is incubated. A color and/or turbidity change indicates the results of the sterilization process; no change indicates that the sterilization conditions were achieved, otherwise the growth of the spores indicates that the sterilization process has not been met. Recently a fluorescent-tagged strain, Rapid Readout(tm), is being used for verifying sterilization, since the visible blue fluorescence appears in about one-tenth the time needed for pH-indicator color change, and an inexpensive light sensor can detect the growing colonies.
Lysinibacillus sphaericus is a Gram-positive, mesophilic, rod-shaped bacterium commonly found on soil. It can form resistant endospores that are tolerant to high temperatures, chemicals and ultraviolet light and can remain viable for long periods of time. It is of particular interest to the World Health Organization due to the larvicide effect of some strains against two mosquito genera, more effective than Bacillus thuringiensis, frequently used as a biological pest control. L. sphaericus cells in a vegetative state are also effective against Aedes aegypti larvae, an important vector of yellow fever and dengue viruses.
Alicyclobacillus is a genus of Gram-variable, rod-shaped, spore-forming bacteria. The bacteria are able to grow in acidic conditions, while the spores are able to survive typical pasteurization procedures.
Adhaeribacter is a genus in the phylum Bacteroidetes (Bacteria).
Bacillus stratosphericus is a microbe commonly found in high concentrations in the stratosphere. It is commonly found in the atmosphere but brought down to Earth as a result of atmospheric cycling processes. Scientists have successfully engineered it to create a biofilm which produce electricity.
Fictibacillus arsenicus, also known as Bacillus arsenicus, is a bacterium. It is Gram-positive, motile, endospore-forming, rod-shaped and arsenic-resistant. Its type strain is Con a/3T.
Virgibacillus is a genus of Gram-positive, rod-shaped (bacillus) bacteria and a member of the phylum Firmicutes. Virgibacillus species can be obligate aerobes, or facultative anaerobes and catalase enzyme positive. Under stressful environmental conditions, the bacteria can produce oval or ellipsoidal endospores in terminal, or sometimes subterminal, swollen sporangia. The genus was recently reclassified from the genus Bacillus in 1998 following an analysis of the species V. pantothenticus. Subsequently, a number of new species have been discovered or reclassified as Virgibacillus species.
Bacillus aerius is a species of bacteria first isolated from cryogenic tubes used for collecting air samples from high altitudes, hence its name. Its type strain is 24KT.
Bacillus altitudinis is a species of bacteria first isolated from cryogenic tubes used for collecting air samples from high altitudes, hence its name. Its type strain is 41KF2bT.
Bacillus nealsonii is a species of bacteria first isolated from a spacecraft-assembly facility. Its spores are γ-radiation resistant. It is Gram-positive, facultatively anaerobic, rod-shaped and produces endospores. Its type strain is FO-92T.
Virgibacillus salexigens is a species of Gram-positive bacteria. This species was formerly contained by the genus Salibacillus and before that by Bacillus. Strains of this species were originally isolated from salterns and saline soil samples in Spain. They are spore-forming, slightly aerobic, and moderately halophilic.
Solibacillus is a genus of Gram positive, rod shaped, spore-forming bacteria.
Salibacterium qingdaonense is a Gram-positive and haloalkaliphilic bacterium from the genus of Salibacterium which has been isolated from crude sea salt near Qingdao in China.
Janibacter is a genus of Gram positive, nonmotile, non-sporeforming bacteria. The genus name is derived from the two-faced Roman god Janus, referring to the fact that the cells of the original strain could be rod-shaped or coccoid.
Segetibacter aerophilus is a Gram-negative, rod-shaped, strictly aerobic and non-spore-forming bacterium from the genus of Segetibacter which has been isolated from air.
Solibacillus isronensis is a bacterium from the genus of Solibacillus which has been isolated from a cryogenic tube from India. It is named after ISRO, India's space agency which discovered the species.
Janibacter hoylei is a species of Gram positive, aerobic, bacterium. The species was initially isolated from cryovials that sampled high altitude air between 20 and 41 km above sea level. The species was first described in 2009, and the species is named after English astronomer Fred Hoyle. Two other new species were discovered during the same survey: Bacillus isronensis and Bacillus aryabhattai.
Phycicoccus aerophilus is a species of Gram positive, strictly aerobic, non-endosporeforming bacterium. The species was initially isolated from air sampled in Taean County, South Korea. The species was first described in 2008, and its name is derived from Greek aer (air) and philos (loving), referring to its initial isolation from an air sample.
Alkalihalobacillus is a genus of gram-positive or gram-variable rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Alkalihalobacillus alcalophilus.
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