1887

Abstract

We describe a new caldoactive bacterium, , which was isolated from a slightly alkaline hot spring. This organism is a nonsporeforming, nonmotile, obligately anaerobic rod-shaped bacterium that stains gram negative and occurs singly, in pairs, in filaments, in bundles, and as spherical bodies. The cell surface structure is of the complex gram-negative type. Large spherical bodies are formed by associations of separate rods in numbers ranging from a few to perhaps as many as 100; these spherical bodies are surrounded by common outer wall membrane. The temperature range for growth is between 50 and 80°, with optimum growth at 78° the pH range for growth is between 5.9 and 8.3. The doubling time at 73° and pH 7.2 is about 2.5 h. Growth is inhibited by streptomycin, tetracycline, neomycin, chloramphenicol, vancomycin, tunicamycin, and sodium dodecyl sulfate. The deoxyribonucleic acid base composition is 29 mol% guanosine plus cytosine. The type strain is strain ATCC 35947.

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/content/journal/ijsem/10.1099/00207713-35-3-253
1985-07-01
2019-10-19
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-35-3-253
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