2015
DOI: 10.1038/ismej.2015.200
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Abstract: Ammonia-oxidizing Archaea (AOA) are ubiquitous throughout the oceanic water column; however, our knowledge on their physiological and ecological diversity in different oceanic regions is rather limited. Here, we report the cultivation and characterization of two novel Nitrosopumilus strains, originating from coastal surface waters of the Northern Adriatic Sea. The combined physiological and genomic information revealed that each strain exhibits different metabolic and functional traits, potentially reflecting … Show more

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Cited by 148 publications
(148 citation statements)
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References 80 publications
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“…Thaumarchaea in the equatorial Pacific feature of coastal thaumarchaea (Bayer et al 2015), the distribution of ureC genes and degradation rates reported here suggest it may also be an important substrate for nitrogen remineralization in the open ocean (Cho and Azam 1995). Nitrification was inhibited by the metal chelator TETA, as would be expected for a group of organisms with abundant metalloenzymes involved in energy metabolism (Walker et al 2010;Santoro et al 2015).…”
Section: Santoro Et Almentioning
confidence: 64%
See 1 more Smart Citation
“…Thaumarchaea in the equatorial Pacific feature of coastal thaumarchaea (Bayer et al 2015), the distribution of ureC genes and degradation rates reported here suggest it may also be an important substrate for nitrogen remineralization in the open ocean (Cho and Azam 1995). Nitrification was inhibited by the metal chelator TETA, as would be expected for a group of organisms with abundant metalloenzymes involved in energy metabolism (Walker et al 2010;Santoro et al 2015).…”
Section: Santoro Et Almentioning
confidence: 64%
“…Our experiments cannot resolve whether this transformation is being carried out by a single group of organisms, or a consortium of ureahydrolyzing microbes and ammonia oxidizers, as was recently proposed (Koch et al 2015). Cultures of urea-utilizing marine ammonia-oxidizing archaea have been reported (Qin et al 2014;Bayer et al 2015) and urease genes have been detected in multiple cultivation-independent studies of marine thaumarchaea (Alonso-Saez et al 2012;Tully et al 2012;Swan et al 2014). Here, thaumarchaeal ureC genes were detected in metagenomes at all depths, suggesting that both ecotypes of thaumarchaea may possess the ability to use urea as a source of NH 3 .…”
Section: Discussionmentioning
confidence: 90%
“…Nitrosopumilales" (formerly group I.1a) that are mostly marine strains and range in size from 1.23 to 1.85 Mb (26,27,30,(32)(33)(34)(35)(36)(37)(38) [except marine symbiont "Ca. Cenarchaeum symbiosum", with 2.05 Mb (39)].…”
Section: Resultsmentioning
confidence: 99%
“…Metagenomics researches further supported that some AOA could grow autotrophically by fixing and absorbing inorganic carbon source (Berg et al, 2010;Martin-Cuadrado et al, 2008). Genome analysis of Nitrosopumilus maritimus SCM1 and Candidatus hydroxypropionic Nitrosoarchaeum koreensis MY1 also led to the same conclusion that AOA took advantage of 3-acid /4-hydroxybutanoic acid metabolic pathway, absorbing and assimilating inorganic carbon source Walker et al, 2010).…”
Section: Organic Matters Leading To the Niche Segregation Of Aoa And Aobmentioning
confidence: 61%
“…For example, the very little dose of organic matters like 0.20 mg/L of yeast extract or 2 mM acetate inhibited the growth of Nitrosocaldus yellowstonii (De La Torre et al, 2008). Despite facts above, organic matters could sometimes stimulate the growth of AOA (Bayer et al, 2016;Kim et al, 2016;Lehtovirta-Morley et al, 2014;Sauder et al, 2017). The phenomenon that the growth rate of Nitrososphaera viennensis increased significantly and its cell generation got shortened by 11.5 times when 0.10 mM pyruvate was added, was misinterpreted as mixtrophy (Tourna et al, 2011), and was recently explained as a hydrogen peroxide detoxification mechanism .…”
Section: Organic Matters Leading To the Niche Segregation Of Aoa And Aobmentioning
confidence: 99%