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  Molecular analysis of enrichment cultures of ammonia oxidizers from the Salar de Huasco, a high altitude saline wetland in northern Chile

Dorador, C., Busekow, A., Vila, I., Imhoff, J. F., & Witzel, K.-P. (2008). Molecular analysis of enrichment cultures of ammonia oxidizers from the Salar de Huasco, a high altitude saline wetland in northern Chile. Extremophiles, 12(3), 405-414. doi:10.1007/s00792-008-0146-x.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-D6B1-2 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-D6B2-F
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Dorador, C., et al., 2008, S-38761.pdf (Verlagsversion), 285KB
 
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Dorador, C., et al., 2008, S-38761.pdf
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 Urheber:
Dorador, Cristina1, Autor           
Busekow, Annika1, Autor           
Vila, Irma, Autor
Imhoff, Johannes F., Autor
Witzel, Karl-Paul1, Autor           
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Schlagwörter: ammonia-oxidizing bacteria; 16S rDNA; amoA gene; andean altiplano; salinity
 Zusammenfassung: We analyzed enrichment cultures of ammonia-oxidizing bacteria (AOB) collected from different areas of Salar de Huasco, a high altitude, saline, pH-neutral water body in the Chilean Altiplano. Samples were inoculated into mineral media with 10 mM NH4+ at five different salt concentrations (10, 200, 400, 800 and 1,400 mM NaCl). Low diversity (up to three phylotypes per enrichment) of beta-AOB was detected using 16S rDNA and amoA clone libraries. Growth of beta-AOB was only recorded in a few enrichment cultures and varied according to site or media salinity. In total, five 16S rDNA and amoA phylotypes were found which were related to Nitrosomonas europaea/Nitrosococcus mobilis, N. marina and N. communis clusters. Phylotype 1-16S was 97% similar with N. halophila, previously isolated from Mongolian soda lakes, and phylotypes from amoA sequences were similar with yet uncultured beta-AOB from different biofilms. Sequences related to N. halophila were frequently found at all salinities. Neither gamma-AOB nor ammonia-oxidizing Archaea were recorded in these enrichment cultures.

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Sprache(n): eng - English
 Datum: 2008-05
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: -
 Identifikatoren: eDoc: 361812
DOI: 10.1007/s00792-008-0146-x
Anderer: 2598/S 38761
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Titel: Extremophiles
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 12 (3) Artikelnummer: - Start- / Endseite: 405 - 414 Identifikator: ISSN: 1431-0651