Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers

Abstract Novel heterotrophic bacterial strains—Bzr02 and Str21, effective in nitrogen transformation, were isolated from sequential sedimentation-biofiltration systems (SSBSs). Bzr02, identified as Citrobacter freundii, removed up to 99.0% of N–NH4 and 70.2% of N–NO3, while Str21, identified as Pseu...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Arnoldo Font Nájera, Liliana Serwecińska, Joanna Mankiewicz-Boczek
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3a57c4eb67dd44bca960343f6a80aa99
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:3a57c4eb67dd44bca960343f6a80aa99
record_format	dspace
spelling	oai:doaj.org-article:3a57c4eb67dd44bca960343f6a80aa992021-12-02T18:17:53ZCulturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers10.1038/s41598-021-86212-32045-2322https://doaj.org/article/3a57c4eb67dd44bca960343f6a80aa992021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86212-3https://doaj.org/toc/2045-2322Abstract Novel heterotrophic bacterial strains—Bzr02 and Str21, effective in nitrogen transformation, were isolated from sequential sedimentation-biofiltration systems (SSBSs). Bzr02, identified as Citrobacter freundii, removed up to 99.0% of N–NH4 and 70.2% of N–NO3, while Str21, identified as Pseudomonas mandelii, removed up to 98.9% of N–NH4 and 87.7% of N–NO3. The key functional genes napA/narG and hao were detected for Bzr02, confirming its ability to reduce nitrate to nitrite and remove hydroxylamine. Str21 was detected with the genes narG, nirS, norB and nosZ, confirming its potential for complete denitrification process. Nitrogen total balance experiments determined that Bzr02 and Str21 incorporated nitrogen into cell biomass (up to 94.7% and 74.7%, respectively), suggesting that nitrogen assimilation was also an important process occurring simultaneously with denitrification. Based on these results, both strains are suitable candidates for improving nutrient removal efficiencies in nature-based solutions such as SSBSs.Arnoldo Font NájeraLiliana SerwecińskaJoanna Mankiewicz-BoczekNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Arnoldo Font Nájera Liliana Serwecińska Joanna Mankiewicz-Boczek Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
description	Abstract Novel heterotrophic bacterial strains—Bzr02 and Str21, effective in nitrogen transformation, were isolated from sequential sedimentation-biofiltration systems (SSBSs). Bzr02, identified as Citrobacter freundii, removed up to 99.0% of N–NH4 and 70.2% of N–NO3, while Str21, identified as Pseudomonas mandelii, removed up to 98.9% of N–NH4 and 87.7% of N–NO3. The key functional genes napA/narG and hao were detected for Bzr02, confirming its ability to reduce nitrate to nitrite and remove hydroxylamine. Str21 was detected with the genes narG, nirS, norB and nosZ, confirming its potential for complete denitrification process. Nitrogen total balance experiments determined that Bzr02 and Str21 incorporated nitrogen into cell biomass (up to 94.7% and 74.7%, respectively), suggesting that nitrogen assimilation was also an important process occurring simultaneously with denitrification. Based on these results, both strains are suitable candidates for improving nutrient removal efficiencies in nature-based solutions such as SSBSs.
format	article
author	Arnoldo Font Nájera Liliana Serwecińska Joanna Mankiewicz-Boczek
author_facet	Arnoldo Font Nájera Liliana Serwecińska Joanna Mankiewicz-Boczek
author_sort	Arnoldo Font Nájera
title	Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
title_short	Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
title_full	Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
title_fullStr	Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
title_full_unstemmed	Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
title_sort	culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/3a57c4eb67dd44bca960343f6a80aa99
work_keys_str_mv	AT arnoldofontnajera culturablenitrogentransformingbacteriafromsequentialsedimentationbiofiltrationsystemsandtheirpotentialfornutrientremovalinurbanpollutedrivers AT lilianaserwecinska culturablenitrogentransformingbacteriafromsequentialsedimentationbiofiltrationsystemsandtheirpotentialfornutrientremovalinurbanpollutedrivers AT joannamankiewiczboczek culturablenitrogentransformingbacteriafromsequentialsedimentationbiofiltrationsystemsandtheirpotentialfornutrientremovalinurbanpollutedrivers
_version_	1718378268041674752

Culturable nitrogen-transforming bacteria from sequential sedimentation biofiltration systems and their potential for nutrient removal in urban polluted rivers

Ejemplares similares