Abstract
The anaerobic and aerobic bacterial flora from the spiral intestine of hatchery-raised sturgeon were enumerated. Among the obligate anaerobes, a new bacteroidelike organism was isolated and found to be the predominant strict anaerobe. The organism is Gram-negative, produces the fermentation products acetate, succinate, propionate and H2. The mol % G+C of DNA from various strains ranged from 33.17–33.65. The optimum sodium concentration for this organism was found to be 137 mM; the sodium level in the sturgeon spiral intestine ranged from 94.5–110.0mM. Based on these and other physiological characteristics, the organism appears to be a new species of the genus Bacteroides.
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Abbreviations
- GI:
-
Gastrointestinal
- VFA:
-
Volatile fatty acid
- SI:
-
Spiral intestine
- GLC:
-
Gas-liquid chromatography
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Callman, J.L., Macy, J.M. The predominant anaerobe from the spiral intestine of hatchery-raised sturgeon (Acipenser transmontanus), a new Bacteroides species. Arch. Microbiol. 140, 57–65 (1984). https://doi.org/10.1007/BF00409772
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DOI: https://doi.org/10.1007/BF00409772