In:
Proceedings of the International Astronomical Union, Cambridge University Press (CUP), Vol. 14, No. S345 ( 2018-08), p. 219-221
Kurzfassung:
In this study (Taubner et al. 2018), three different methanogenic archaea ( Methanothermococcus okinawensis , Methanothermobacter marburgensis , and Methanococcus villosus ) were tested for metabolic activities and growth under putative Enceladus-like conditions, including high pressure experiments and tests on the tolerance towards potential gaseous and liquid inhibitors detected in Enceladus’ plume. In particular, M. okinawensis , an isolate from a deep marine trench (Takai et al. 2002), showed tolerance towards all of the added inhibitors and maintained methanogenesis even in the range of 10 to 50 bar. Further, we were able to show that H 2 production based on serpentinization may be sufficient to fuel such methanogenic life on Enceladus. The experiments revealed that methanogenesis could, in principle, be feasible under Enceladus-like conditions.
Materialart:
Online-Ressource
ISSN:
1743-9213
,
1743-9221
DOI:
10.1017/S1743921319001789
Sprache:
Englisch
Verlag:
Cambridge University Press (CUP)
Publikationsdatum:
2018
ZDB Id:
2170724-8
SSG:
16,12