Depth Profile of Nitrifying Archaeal and Bacterial Communities in the Remote Oligotrophic Waters of the North Pacific.
AOA
NOB
Pacific Subtropical Front
nitrification
thaumarchaeota
Journal
Frontiers in microbiology
ISSN: 1664-302X
Titre abrégé: Front Microbiol
Pays: Switzerland
ID NLM: 101548977
Informations de publication
Date de publication:
2021
2021
Historique:
received:
30
10
2020
accepted:
01
02
2021
entrez:
18
3
2021
pubmed:
19
3
2021
medline:
19
3
2021
Statut:
epublish
Résumé
Nitrification is a vital ecosystem function in the open ocean that regenerates inorganic nitrogen and promotes primary production. Recent studies have shown that the ecology and physiology of nitrifying organisms is more complex than previously postulated. The distribution of these organisms in the remote oligotrophic ocean and their interactions with the physicochemical environment are relatively understudied. In this work, we aimed to evaluate the depth profile of nitrifying archaea and bacteria in the Eastern North Pacific Subtropical Front, an area with limited biological surveys but with intense trophic transferences and physicochemical gradients. Furthermore, we investigated the dominant physicochemical and biological relationships within and between ammonia-oxidizing archaea (AOA), ammonia-oxidizing bacteria (AOB), and nitrite-oxidizing bacteria (NOB) as well as with the overall prokaryotic community. We used a 16S rRNA gene sequencing approach to identify and characterize the nitrifying groups within the first 500 m of the water column and to analyze their abiotic and biotic interactions. The water column was characterized mainly by two contrasting environments, warm O
Identifiants
pubmed: 33732221
doi: 10.3389/fmicb.2021.624071
pmc: PMC7959781
doi:
Types de publication
Journal Article
Langues
eng
Pagination
624071Informations de copyright
Copyright © 2021 Semedo, Lopes, Baptista, Oller-Ruiz, Gilabert, Tomasino and Magalhães.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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