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Isolation of ‘Candidatus Nitrosocosmicus franklandus’, a novel ureolytic soil archaeal ammonia oxidiser with tolerance to high ammonia concentration

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Lehtovirta-Morley, Laura E., Ross, Jenna, Hink, Linda, Weber, Eva B., Gubry-Rangin, Cécile, Thion, Cécile, Prosser, James I., Nicol, Graeme W.·2016·FEMS Microbiology Ecology

Abstract

Studies of the distribution of ammonia oxidising archaea (AOA) and bacteria (AOB) suggest distinct ecological niches characterised by ammonia concentration and pH, arising through differences in substrate affinity and ammonia tolerance. AOA form five distinct phylogenetic clades, one of which, the 'Nitrososphaera sister cluster', has no cultivated isolate. A representative of this cluster, named 'Candidatus Nitrosocosmicus franklandus', was isolated from a pH 7.5 arable soil and we propose a new cluster name:'Nitrosocosmicus' While phylogenetic analysis of amoA genes indicates its association with the Nitrososphaera sister cluster, analysis of 16S rRNA genes provided no support for a relative branching that is consistent with a 'sister cluster', indicating placement within a lineage of the order Nitrososphaerales 'Ca.N. franklandus' is capable of ureolytic growth and its tolerances to nitrite and ammonia are higher than in other AOA and similar to those of typical soil AOB. Similarity of other growth characteristics of 'Ca.N. franklandus' with those of typical soil AOB isolates reduces support for niche differentiation between soil AOA and AOB and suggests that AOA have a wider physiological diversity than previously suspected. In particular, the high ammonia tolerance of 'Ca.N. franklandus' suggests potential contributions to nitrification in fertilised soils.

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Metadata

Authors
Lehtovirta-Morley, L. E., Ross, J., Hink, L., Weber, E. B., Gubry-Rangin, C., Thion, C., Prosser, J. I., & Nicol, G. W.
Venue
FEMS Microbiology Ecology
Published
2016-03-13
Volume
92
Issue
5
Pages
fiw057
ISSN
  • 0168-6496 (ISSN-L)
  • 1574-6941
OpenAlex
W2340861812
Cited by
263
References
46
FWCI
36.89
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Isolation of ‘Candidatus Nitrosocosmicus franklandus’, a novel ureolytic soil archaeal ammonia oxidiser with tolerance to high ammonia concentration. https://app.cochat.ai/papers/10.1093/femsec/fiw057
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Lehtovirta-Morley, L. E., Ross, J., Hink, L., Weber, E. B., Gubry-Rangin, C., Thion, C., Prosser, J. I., & Nicol, G. W. (2016). Isolation of ‘Candidatus Nitrosocosmicus franklandus’, a novel ureolytic soil archaeal ammonia oxidiser with tolerance to high ammonia concentration. FEMS Microbiology Ecology. https://doi.org/10.1093/femsec/fiw057

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