PROTEOBACTERIA >> Alpha >> Brucella >> Brucella microti

BRUCELLA MICROTI

Class: Alpha Proteobacteria
Genus: Brucella
Species: Brucella microti
Description: B. microti cells are gram-negative coccobacilli, or slightly elongated coccus cells, 0.5-0.8µm in diameter and 0.6-1.4 µm in length. Cells could be found both individually and arranged in irregular clusters. The cells are unflagellated, non-motile, and lack the capability to form spores.B. microti has an optimum growth temperature of 37℃ but is also able to grow in temperatures ranging from 25℃ to 42℃. This species has been cultured on a variety of media including meat peptone agar (MPA), trypticase soy agar (TSA), blood agar, standard nutrient agar, and Brucella agar without supplementary CO2[2,4]. After 1-2 days of incubation, the colonies grew to a diameter of 1-2 mm and were a transparent to whitish color. Colonies appeared to be smooth and slightly concave with continuous edges. After 72 hours of growth, the colonies grew to 6-9 mm in diameter and most had developed a brown coloring.
Synonyms:
Source: B. microti was first isolated from the liver of the common vole (Microtus arvalis) found in South Moravia, Czech Republic in 2000.
Pathogenicity: B. microti infections in mice, it was found that this species was highly pathogenic for mice due to an increased ability to replicate, which suggests that B. microti is an emerging pathogen.
Genbank: NC_013119.1   [Genome]    [Nucleotide]
Size (Mb): 2.12
GC %: 57.2
Genes: 3,159
CDS Number: 3,045
Reference: Audic, S, M Lescot, JM Claverie, and H Scholz (2009). Brucella microti: the genome sequence of an emerging pathogen. BMC Genomics. 10: 352-369; doi:10.1186/1471-2164-10-352.
Biochemical Tests: