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Ammonia oxidizing archaea do not respond to ammonium or urea supply in an alkaline soil

Tzanakakis Vasileios, Apostolakis Antonios, Nikolaidis Nikolaos, Paranychianakis Nikolaos

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/44C877FB-949A-43A8-9C96-9EF6578F5C8D-
Αναγνωριστικόhttps://doi.org/10.1016/j.apsoil.2018.08.002-
Αναγνωριστικόhttps://www.sciencedirect.com/science/article/pii/S0929139318308898-
Γλώσσαen-
Μέγεθος5 pagesen
ΤίτλοςAmmonia oxidizing archaea do not respond to ammonium or urea supply in an alkaline soilen
ΔημιουργόςTzanakakis Vasileiosen
ΔημιουργόςΤζανακακης Βασιλειοςel
ΔημιουργόςApostolakis Antoniosen
ΔημιουργόςΑποστολακης Αντωνιοςel
ΔημιουργόςNikolaidis Nikolaosen
ΔημιουργόςΝικολαιδης Νικολαοςel
ΔημιουργόςParanychianakis Nikolaosen
ΔημιουργόςΠαρανυχιανακης Νικολαοςel
ΕκδότηςElsevieren
ΠερίληψηStrains of ammonia oxidizing archaea (AOA) can utilize urea under limited conditions of ammonia in terrestrial environments. In this work, we investigate whether this mechanism operates more widely, including soils with non-limiting conditions of ammonia. To test this hypothesis, pots filled with a soil of basic pH (8.3) were supplied with two rates of N (25 and 50 μg N/g dry soil) in the form of urea and ammonium applied at seven consecutive doses every 2 days. The findings of the study revealed a strong increase in the abundance of ammonia oxidizing bacteria (AOB) at both application rates, independently of N source. By contrast, AOA did not respond to N additions. These findings indicate that urea availability does not offer an advantage on the growth and activity of AOA over the AOB under non-limiting conditions of N. However, a slight increase in AOA abundance following substrate utilization provided support for a link between AOA growth and mineralization of soil organic matter.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2019-05-23-
Ημερομηνία Δημοσίευσης2018-
Θεματική ΚατηγορίαAlkaline soilen
Θεματική ΚατηγορίαAOAen
Θεματική ΚατηγορίαAOBen
Θεματική ΚατηγορίαMineralizationen
Θεματική ΚατηγορίαNitrificationen
Θεματική ΚατηγορίαNitrogen cyclingen
Θεματική ΚατηγορίαUreaen
Βιβλιογραφική ΑναφοράV. A. Tzanakakis, A. Apostolakis, N. P. Nikolaidis and N. V. Paranychianakis, "Ammonia oxidizing archaea do not respond to ammonium or urea supply in an alkaline soil," Appl. Soil Ecol., vol. 132, pp. 194-198, Dec. 2018. doi: 10.1016/j.apsoil.2018.08.002en

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