Geobacillus thermoglucosidasius
| Geobacillus thermoglucosidasius | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Firmicutes |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Bacillaceae |
| Genus: | Geobacillus |
| Species: | thermoglucosidasius |
| Binomial name | |
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Geobacillus thermoglucosidasius NCBI |
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Geobacillus thermoglucosidasius is a thermophilic gram-positive bacterium, and a member of the Firmicutes phylum. It was first isolated from soil in Japan in 1983.
The species name thermoglucosidasius comes from the words therme denoting heat, and glucosidasius denoting starch-hydrolyzing glucosidase activity.
G. thermoglucosidasius is gram-positive (bacterium that retains Crystal violet dye during gram-staining) and facultatively anaerobic(produces ATP by aerobic respiration if oxygen is present, but capable of switching to fermentation or anaerobic respiration if oxygen is absent).G. thermoglucosidasius is classified as a thermophile as optimal growth occurs at 60 °C (140 °F), although strains have demonstrated ability to grow at temperatures between 37 °C (98.6 °F) and 68 °C (154.4 °F).
Their rod-shaped cells are less than 3.0 micrometers (μm) long and less than 0.9 μm in diameter. Under a microscope, the cells are observed to occur either singly or in short chains, while possessing peritrichous fagella for motility or appearing non-motile.
Vegetative G. thermoglucosidasius sporulates, producing one endospore per cell located terminally or subterminally in slightly swollen or non-swollen sporangia. It can live on a wide variety of substrates. G. thermoglucosidasius uses mixed-acid fermentation in anaerobic conditions, producing lactate, succinate, formate, ethanol, acetate and carbon dioxide. Growth can be driven by aerobic or anaerobic respiration, using a large variety of redox pairs.
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