Open AccessAerobic and anaerobic microbial consumption of hydrogen in geothermal spring water
Author(s) -
Conrad Ralf,
Bonjour Fabienne,
Aragno Michel
Publication year - 1985
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1985.tb00862.x
Subject(s) - anaerobic exercise , hot spring , geothermal gradient , chemistry , oxygen , environmental chemistry , hydrogen , environmental science , anaerobic bacteria , consumption (sociology) , pulp and paper industry , bacteria , geology , biology , organic chemistry , physiology , paleontology , social science , geophysics , sociology , engineering
Hydrogen consumption was measured in hot geothermal water from two ponds of the San Federigo solfatara, Tuscany, Italy, where emanation gases contained approx. 4% H 2 . H 2 consumption was completely inhibited by NaOH and partially by HgCl 2 indicating microbial utilization. Aerobic and anaerobic H 2 consumption activities coexisted in the same water with aerobic activity being higher in one pond and anaerobic activity in the other. The kinetics of H 2 consumption were consistent with those of ‘Knallgas’, methanogenic or sulfidogenic bacteria.