Bacillus mycoides

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Bacillus mycoides
Bacillus mycoides growing clockwise on an agar plate.
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Bacillota
Class: Bacilli
Order: Bacillales
Family: Bacillaceae
Genus: Bacillus
Species:
B. mycoides
Binomial name
Bacillus mycoides
Flügge 1886
Synonyms

Bacillus weihenstephanensis

Bacillus mycoides is a

bacterium of the genus Bacillus. Like other Bacillus species, B. mycoides is Gram positive, rod-shaped, and forms spores
. B. mycoides is distinguished from other Bacillus species by its unusual growth on agar plates, where it forms expansive hairy colonies with characteristic swirls.

Description

B. mycoides are rod-shaped cells about 1

with or without oxygen and grows at temperatures ranging from 10 to 15 °C to 35–40 °C.[1] B. mycoides is distinguished from a number of other Bacillus species in the unusual morphology of the colonies it forms when grown on agar plates. B. mycoides forms white opaque colonies that are characteristically hairy in appearance (often referred to as "rhizoid").[1] These colonies rapidly spread to fill the plate and are characterized by a repeating spiral pattern.[1][2] 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.[3]

Ecology and distribution

B. mycoides is present in a wide variety of environments, especially soil.[1]

Role in disease

B. mycoides are capable of causing disease in some fish, and were the reported cause of an outbreak of necrotic lesions in channel catfish in a commercial pond in Alabama.[1]

B. weihenstephanensis

In 1998 a new Bacillis species was described, and named Bacillus weihenstephanensis.[4] However, twenty years later, a comparison of the complete genome sequences of B. weihenstephanensis and B. mycoides demonstrated that B. weihenstephanensis was a later synonym for B. mycoides, and thus not a valid species, nor species name.[5]

References

  1. ^
    ISBN 9781118960608
    .
  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. PMID 24324702
    .
  4. PMID 9828439
    .
  5. PMID 29095136
    .

Further reading

External links


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