Journal ArticleDOI
Two kinds of lithotrophs missing in nature.
TLDR
Two groups of lithotrophic bacteria, the existence of which may be expected on evolutionary and thermodynamical grounds, have not yet been detected: photosynthetic, anaerobic, ammonia bacteria, analogous to coloured sulphur bacteria, and chemosynthetic bacteria that oxidize ammonia to nitrogen with O2 or nitrate as oxidant.Abstract:
Two groups of lithotrophic bacteria, the existence of which may be expected on evolutionary and thermodynamical grounds, have not yet been detected: (A) photosynthetic, anaerobic, ammonia bacteria, analogous to coloured sulphur bacteria, and (B) chemosynthetic bacteria that oxidize ammonia to nitrogen with O2 or nitrate as oxidant.read more
Citations
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Cell biology and molecular basis of denitrification.
TL;DR: Denitrification is intimately related to fundamental cellular processes that include primary and secondary transport, protein translocation, cytochrome c biogenesis, anaerobic gene regulation, metalloprotein assembly, and the biosynthesis of the cofactors molybdopterin and heme D1.
Journal ArticleDOI
The Microbial Engines That Drive Earth's Biogeochemical Cycles
TL;DR: Virtually all nonequilibrium electron transfers on Earth are driven by a set of nanobiological machines composed largely of multimeric protein complexes associated with a small number of prosthetic groups.
Journal ArticleDOI
Role of nitrifier denitrification in the production of nitrous oxide
TL;DR: In this article, the authors present knowledge about Nitrifier denitrification is summarized in order to give an exact definition, to spread awareness of its pathway and controlling factors and to identify areas of research needed to improve global N 2 O budgets.
Journal ArticleDOI
Anaerobic ammonium oxidation discovered in a denitrifying fluidized bed reactor
TL;DR: Anaerobic ammonium oxidation is a new process in which ammonium is oxidized with nitrate serving as the electron acceptor under anaerobic conditions, producing dinitrogen gas, and has been given the name ‘Anammox’ (anaerobic ammonia oxidation), and has be patented.
Journal ArticleDOI
Missing lithotroph identified as new planctomycete
Marc Strous,John A. Fuerst,Evelien H. M. Kramer,Susanne Logemann,Gerard Muyzer,Katinka T. van de Pas-Schoonen,Richard I. Webb,J. Gijs Kuenen,Mike S. M. Jetten +8 more
TL;DR: The discovery of this missing lithotroph and its identification as a new, autotrophic member of the order Planctomycetales, one of the major distinct divisions of the Bacteria makes an important contribution to the problem of unculturability.
References
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Journal ArticleDOI
Nitrous Oxide Formation by Nitrosomonas Europaea and Heterotrophie Microorganisms
T. Yoshida,M. Alexander +1 more
TL;DR: It is suggested that the production of nitrous oxide by the autotrophic nitrifier, Nitrosomonas, and by such heterotrophic organisms may be of biogeochemical importance.
Journal ArticleDOI
Atmospheric Nitrous Oxide: A Critical Review
Jiirgen Hahn,Christian Junge +1 more
TL;DR: In this article, the authors present the current state of knowledge on atmospheric N2O in order to facilitate understanding of the complicated processes in soil and water which are responsible for the release of n2O to the atmosphere.
Journal ArticleDOI
Newly recognized vital nitrogen cycle.
TL;DR: Soil and sea bacteria produce a small amount of nitrous oxide; a small part of this N(2)O is photochemically converted to nitric oxide (NO) in the stratosphere, and this process has recently been shown to be the principal source of the active oxides of nitrogen (NO and NO(2)) in the Stratospheric ozone balance.
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