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SURVIVAL OF BACTERIA AT LOW pH AND HIGH TEMPERATURE 1
Author(s) -
Weiss Richard L.
Publication year - 1973
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1973.18.6.0877
Subject(s) - bacteria , sulfolobus , biology , chemistry , microbiology and biotechnology , archaea , genetics
In most acid hot springs examined Sulfolobus was the predominant organism above 75°C at pH 2–3. It was found from 65–93°C at pH values from 1.6 to 3. The temperature optimum for growth was 70–75°C, whereas the pH optimum for 14 C‐glutamate uptake was from 2 to 5. Survival and growth were demonstrated by slide immersion studies and electron microscopy of natural samples. Rod‐shaped bacteria live in the same habitat at 75–80°C and arc distinguished from Sulfolobus by their morphology and cell wall structure.
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