Bacillus mycoides

Bacillus mycoides
Bacillus mycoides growing clockwise on an agar plate.
Scientific classification
Kingdom: Bacteria
Division: Firmicutes
Class: Bacilli
Order: Bacillales
Family: Bacillaceae
Genus: Bacillus
Species: mycoides
Binomial name
Bacillus mycoides

Bacillus mycoides is a gram-positive spore-forming bacterium of the genus Bacillus. Bacillus mycoides cells are usually larger than 3 micrometers, form chains of cells, can form acid from glucose, and this form is non motile. Its cell body does not swell when sporulating; Using Voges–Proskauer test, B. mycoides produces a positive result. It can also hydrolyse starch. B. mycoides is a common soil organism.[1] When grown on solid media B. mycoides forms spreading colonies with a repeating spiral pattern. The direction of curvature of the pattern in a given strain is known as its chirality and is a hereditary trait.[2] The first chiral colony pattern was described by Flügge in 1886.[3] B. mycoides has the unusual property of being able to respond to mechanical force and surface structure variations in the media on which it is growing [4]

Uses

Bacillus mycoides are found in common pesticides and are used to inhibit the growth of harmful bacteria and fungi. There seems to be no negative effects on humans or the environment.Citation needed

Nitrogen Cycle

Bacillus mycoides is an ammonifying bacterium, and can convert peptone (protein, an organic nitrogen source) into ammonia. In water, ammonia becomes ammonium. This product is essential for nitrifying bacteria such as Nitrosococcus, which use the ammonia under aerobic conditions to make nitrite.


References

  1. ↑ http://www.epa.gov/oppbppd1/biopesticides/ingredients/factsheets/factsheet_006516.htm
  2. ↑ Di Franco, C., Beccari, E., Santini, T., Pisaneschi, G., & Tecce, G. 2002. Colony shape as a genetic trait in the pattern-forming Bacillus mycoides. BMC Microbiol. 2, 33.
  3. ↑ Di Franco, C., Beccari, E., Santini, T., Pisaneschi, G., & Tecce, G. 2002. Colony shape as a genetic trait in the pattern-forming Bacillus mycoides. BMC Microbiol. 2, 33.
  4. ↑ Stratford, JP; Woodley, MA; Park, S (2013). "Variation in the Morphology isgayof Bacillus mycoides Due to Applied Force and Substrate Structure". PLoS ONE. 8 (12): e81549. PMC 3855686 Freely accessible. PMID 24324702. doi:10.1371/journal.pone.0081549.

Further reading


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