Abstract
The growth range in nature of bacteria belonging to the genus Thermus was investigated by sampling 55 different hot springs in Iceland. The springs ranged in temperature from 32 to 99°C, and in pH from 2.1 to 10.1. Viable counts of Thermus spp. ranging from 10 to 104 CFU/100 ml of spring water were found in 27 of the springs sampled. The temperature range for these bacteria was found to be 55 to 85°C, and the pH range was from about 6.5 to above 10. Thermus spp. were found in springs containing up to 1 mM dissolved sulfide and having conductivity up to 2,000 μS/cm. The distribution of Thermus spp. in a hot spring thermal gradient was also investigated and found to agree well with the overall distribution in individual springs.
Full text
PDF




Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Brock T. D., Boylen K. L. Presence of thermophilic bacteria in laundry and domestic hot-water heaters. Appl Microbiol. 1973 Jan;25(1):72–76. doi: 10.1128/am.25.1.72-76.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Brock T. D., Brock K. M., Belly R. T., Weiss R. L. Sulfolobus: a new genus of sulfur-oxidizing bacteria living at low pH and high temperature. Arch Mikrobiol. 1972;84(1):54–68. doi: 10.1007/BF00408082. [DOI] [PubMed] [Google Scholar]
- Brock T. D., Freeze H. Thermus aquaticus gen. n. and sp. n., a nonsporulating extreme thermophile. J Bacteriol. 1969 Apr;98(1):289–297. doi: 10.1128/jb.98.1.289-297.1969. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Caldwell D. E., Caldwell S. J., Laycock J. P. Thermothrix thioparus gen. et sp. nov. a facultatively anaerobic facultative chemolithotroph living at neutral pH and high temperature. Can J Microbiol. 1976 Oct;22(10):1509–1517. doi: 10.1139/m76-223. [DOI] [PubMed] [Google Scholar]
- Degryse E., Glansdorff N., Piérard A. A comparative analysis of extreme thermophilic bacteria belonging to the genus Thermus. Arch Microbiol. 1978 May 30;117(2):189–196. doi: 10.1007/BF00402307. [DOI] [PubMed] [Google Scholar]
- Egorova L. A., Loginova I. G. Raspredelenie ékstremal'no-termofil'nykh nesporonosnykh bakterii v goriachikh istochnikakh Tadzhikistana. Mikrobiologiia. 1975 Sep-Oct;44(5):938–942. [PubMed] [Google Scholar]
- Ljungdahl L. G., Bryant F., Carreira L., Saiki T., Wiegel J. Some aspects of thermophilic and extreme thermophilic anaerobic microorganisms. Basic Life Sci. 1981;18:397–419. doi: 10.1007/978-1-4684-3980-9_23. [DOI] [PubMed] [Google Scholar]
- Ljungdahl L. G. Physiology of thermophilic bacteria. Adv Microb Physiol. 1979;19:149–243. doi: 10.1016/s0065-2911(08)60199-x. [DOI] [PubMed] [Google Scholar]
- Oshima T., Sakaki Y., Wakayama N., Watanabe K., Ohashi Z. Biochemical studies on an extreme thermophile Thermus thermophilus: thermal stabilities of cell constituents and a bacteriophage. Experientia Suppl. 1976;26:317–331. doi: 10.1007/978-3-0348-7675-9_26. [DOI] [PubMed] [Google Scholar]
- Pask-Hughes R., Williams R. A. Extremely thermophilic gram-negative bacteria from hot tap water. J Gen Microbiol. 1975 Jun;88(2):321–328. doi: 10.1099/00221287-88-2-321. [DOI] [PubMed] [Google Scholar]
- Ramaley R. F., Bitzinger K. Types and distribution of obligate thermophilic bacteria in man-made and natural thermal gradients. Appl Microbiol. 1975 Jul;30(1):152–155. doi: 10.1128/am.30.1.152-155.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Ramaley R. F., Hixson J. Isolation of a nonpigmented, thermophilic bacterium similar to Thermophilic bacterium similar to Thermus aquaticus. J Bacteriol. 1970 Aug;103(2):527–528. doi: 10.1128/jb.103.2.527-528.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]