Sporosarcina

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Sporosarcina
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Sporosarcina

Kluyver and van Niel 1936 emend. Yoon et al. 2001

Sporosarcina is a genus of bacteria.

Specification

The cells of the species of Sporosarcina are either rod-shaped or coccoid. [1] Sporosarcina forms endospores. The majority species of Sporosarcina is moveable (motile).

Contents

Metabolism

All species of Sporosarcina are heterotrophic. They do not perform photosynthesis. [1] A few species are obligate aerobic, they need oxygen. Others are facultative aerobic, they can also perform metabolism in the absence of oxygen. [1]

Ecology

Some species, such as S. ureae have the enzyme urease and are thus able to break down urea. [1] The species forms the highest population densities in soils that are subject to influence of urine. These include, for example, meadows where cattle are kept. Thus S. ureae plays an important role in the ecosystem. [2]

Molecular Signatures

Analyses of genome sequences of Sporosarcina species identified eight conserved signature indels (CSIs) that are uniquely present in this genus in the proteins aspartate–tRNA ligase, A/G-specific adenine glycosylase, thymidylate synthase, RDD family protein, DEAD/DEAH box helicase, membrane protein insertase YidC, cytochrome b6, and a hypothetical protein. [3] These molecular signatures provide a novel and reliable method to molecularly distinguishing Sporosarcina species from other genera in the family Caryophanaceae and other bacteria.

Systematics

Sporosarcina belongs to the Bacillota. [4] Some examples of species:

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Deinococcota is a phylum of bacteria with a single class, Deinococci, that are highly resistant to environmental hazards, also known as extremophiles. These bacteria have thick cell walls that give them gram-positive stains, but they include a second membrane and so are closer in structure to those of gram-negative bacteria.

Halobacteriales are an order of the Halobacteria, found in water saturated or nearly saturated with salt. They are also called halophiles, though this name is also used for other organisms which live in somewhat less concentrated salt water. They are common in most environments where large amounts of salt, moisture, and organic material are available. Large blooms appear reddish, from the pigment bacteriorhodopsin. This pigment is used to absorb light, which provides energy to create ATP. Halobacteria also possess a second pigment, halorhodopsin, which pumps in chloride ions in response to photons, creating a voltage gradient and assisting in the production of energy from light. The process is unrelated to other forms of photosynthesis involving electron transport; however, and halobacteria are incapable of fixing carbon from carbon dioxide.

The Caryophanaceae is a family of Gram-positive bacteria. In 2020, the now defunct family Planococcaceae was merged into Caryophanaceae to rectify a nomenclature anomaly. The type genus of this family is Caryophanon.

Ureibacillus is a genus of gram-negative bacteria within the largely gram-positive Bacillota. Ureibacilli are motile and form spherical endospores. The type species of the genus is Ureibacillus thermosphaericus.

Solibacillus is a genus of Gram positive, rod shaped, spore-forming bacteria.

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.

Neobacillus is a genus of rod-shaped bacteria that show Gram-positive or Gram-variable staining. This genus belongs under the family Bacillaceae within the order Bacillales. The type species of Neobacillus is Neobacillus niacini.

Peribacillus is a genus of rod-shaped bacteria that exhibits Gram-positive or Gram-variable staining that belongs in the family Bacillaceae within the order Bacillales. The type species for this genus is Peribacillus simplex.

Mesobacillus is a genus of gram-positive or gram-variable, rod-shaped bacteria in the family Bacillaceae within the order Bacillales. The type species for this genus is Mesobacillus jeotgali.

Margalitia 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 Margalitia shackletonii.

Niallia is a genus of Gram-Positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Niallia circulans.

Robertmurraya is a genus of mostly Gram-Positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Robertmurraya siralis.

Rossellomorea is a genus of Gram-Positive or Gram-variable staining rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Rossellomorea aquimaris.

Schinkia is a genus of Gram-positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Schinkia azotoformans.

Siminovitchia is a genus of Gram-Positive or Gram-negative rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Siminovitchia fortii.

Sutcliffiella is a genus of Gram-Positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Sutcliffiella cohnii.

Weizmannia is a genus of Gram-Positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Weizmannia coagulans.

Alkalicoccus is a genus of Gram-Positive rod-shaped bacteria in the family Bacillaceae from the order Bacillales. The type species of this genus is Alkalicoccus saliphilus.

Metasolibacillus is a genus of Gram-Positive rod-shaped bacteria in the family Caryophanaceae from the order Caryophanales. The type species of this genus is Metasolibacillus meyeri.

Metaplanococcus is a genus of Gram-Positive or Gram-variable, cocci or short rod-shaped bacteria in the family Caryophanaceae from the order Caryophanales. The type species of this genus is Metaplanococcus flavidus.

References

  1. 1 2 3 4 Garrity, George M. (2009). Bergey's Manual of Systematic Bacteriology: The Firmicutes, Volume 3 of Bergey's Manual of Systematic Bacteriology.
  2. Schlegel, Hans G. (1992). Allgemeine Mikrobiologie. ISBN   3-13-444607-3.
  3. Gupta, Radhey S.; Patel, Sudip (2020-01-14). "Robust Demarcation of the Family Caryophanaceae (Planococcaceae) and Its Different Genera Including Three Novel Genera Based on Phylogenomics and Highly Specific Molecular Signatures". Frontiers in Microbiology. 10: 2821. doi: 10.3389/fmicb.2019.02821 . ISSN   1664-302X. PMC   6971209 . PMID   32010063.
  4. J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature (LPSN)