Alicyclobacillus macrosporangiidus

Alicyclobacillus macrosporangiidus is a species of Gram positive, strictly aerobic, bacterium. The bacteria are acidophilic and produce endospores. It was first isolated from soil in a crop field in Fujieda, Japan. The species was first described in 2007, and the name is derived from the Latin macros (big) and sporangium (sporangia), referring to the large spores produced by the organism.[1]

Alicyclobacillus
Scientific classification
Domain:
Bacteria
Division:
Firmicutes
Class:
Bacilli
Order:
Bacillales
Family:
Alicyclobacillaceae
Genus:
Alicyclobacillus
Species:
A. macrosporangiidus
Binomial name
Alicyclobacillus macrosporangiidus
Goto et al. 2007

The optimum growth temperature for A. macrosporangiidus is 50-55 °C, and can grow in the 35-60 °C range. The optimum pH is 4.0-4.5, and cannot grow at pH 3.0 or pH 6.5.[1]

A. macrosporangiidus was found during a Japanese survey of various beverages and environments, which also discovered 5 other species of Alicyclobacillus: A. contaminans, A. fastidiosus, A. kakegawensis, A. sacchari, and A. shizuokensis.[1]

References
  1. Goto, K; Mochida, K; Kato, Y; Asahara, M; Fujita, R; An, S.-Y; Kasai, H; Yokota, A (2007). "Proposal of six species of moderately thermophilic, acidophilic, endospore-forming bacteria: Alicyclobacillus contaminans sp. nov., Alicyclobacillus fastidiosus sp. nov., Alicyclobacillus kakegawensis sp. nov., Alicyclobacillus macrosporangiidus sp. nov., Alicyclobacillus sacchari sp. nov. And Alicyclobacillus shizuokensis sp. nov". International Journal of Systematic and Evolutionary Microbiology. 57 (6): 1276–1285. doi:10.1099/ijs.0.64692-0. PMID 17551043.
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