Results 151 to 160 of about 217,293 (183)

Molecular Tracking and Cultivation Reveal Ammonia-Oxidizing Archaea as Emerging Commensals of the Human Skin Microbiome

Mahnert A, Dreer M, Perier Ü, Melcher M, Duller S, Lehnen A, Goessler T, Brunner D, Graier T, Wolf P, Ponce-Toledo RI, Hodgskiss LH, Kerou M, Moissl-Eichinger C, Schleper C.   +14 more
europepmc   +1 more source

Ammonia-oxidizing archaea have more important role than ammonia-oxidizing bacteria in ammonia oxidation of strongly acidic soils [PDF]

ISME Journal, 2011
Increasing evidence demonstrated the involvement of ammonia-oxidizing archaea (AOA) in the global nitrogen cycle, but the relative contributions of AOA and ammonia-oxidizing bacteria (AOB) to ammonia oxidation are still in debate.
Hangwei Hu, Limei Zhang, Ji-Zheng He
exaly   +4 more sources

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Ammonia-oxidizing archaea in biological interactions

Journal of Microbiology, 2021
The third domain Archaea was known to thrive in extreme or anoxic environments based on cultivation studies. Recent metagenomics-based approaches revealed a widespread abundance of archaea, including ammonia-oxidizing archaea (AOA) of Thaumarchaeota in non-extreme and oxic environments.
Jong-Geol, Kim, Khaled S, Gazi, Samuel Imisi, Awala, Man-Young, Jung, Sung-Keun, Rhee   +4 more
openaire   +2 more sources

Ammonia-oxidizing archaea involved in nitrogen removal

Water Research, 2009
Ammonia oxidation is critical to global nitrogen cycling and is often thought to be driven only by ammonia-oxidizing bacteria. The recent finding of new ammonia-oxidizing organisms belonging to the archaeal domain challenges this perception. Two major microbial groups are now believed to be involved in ammonia oxidation: chemolithotrophic ammonia ...
Zhiqiang Hu
exaly   +3 more sources

Shifts between ammonia-oxidizing bacteria and archaea in relation to nitrification potential across trophic gradients in two large Chinese lakes (Lake Taihu and Lake Chaohu)

Water Research, 2013
Ammonia oxidation plays a pivotal role in the cycling and removal of nitrogen in aquatic ecosystems. Recent findings have expanded the known ammonia-oxidizing prokaryotes from Bacteria to Archaea.
Xiuyun Cao, Jie Hou, Chunlei Song
exaly   +2 more sources

Active ammonia-oxidizing bacteria and archaea in wastewater treatment systems

Journal of Environmental Sciences, 2021
Ammonia-oxidizing bacteria (AOB) and archaea (AOA) are two microbial groups mediating nitrification, yet little is presently known about their abundances and community structures at the transcriptional level in wastewater treatment systems (WWTSs).
Yong-Xin Liu, MAOSHENG Zheng, Chenyuan Dang   +2 more
exaly   +3 more sources

Physiology and Diversity of Ammonia-Oxidizing Archaea

Annual Review of Microbiology, 2012
The discovery of ammonia-oxidizing archaea (AOA), now generally recognized to exert primary control over ammonia oxidation in terrestrial, marine, and geothermal habitats, necessitates a reassessment of the nitrogen cycle. In particular, the unusually high affinity of marine and terrestrial AOA for ammonia indicates that this group may determine the ...
David A, Stahl, José R, de la Torre
openaire   +2 more sources

Global Biodiversity of Aquatic Ammonia-Oxidizing Archaea is Partitioned by Habitat [PDF]

Frontiers in Microbiology, 2012
Archaea play an important role in nitrification and are, thus, inextricably linked to the global carbon and nitrogen cycles. Since the initial discovery of an ammonia monooxygenase α-subunit (amoA) gene associated with an archaeal metagenomic fragment, archaeal amoA sequences have been detected in a wide variety of nitrifying environments.
Annika Mosier, Christopher Francis, Steven Biller   +2 more
exaly   +4 more sources

Contribution of ammonia-oxidizing archaea and ammonia-oxidizing bacteria to ammonia oxidation in two nitrifying reactors

Environmental Science and Pollution Research, 2018
In this study, two laboratory nitrifying reactors (NRI and NRII), which were seeded by sludge from different sources and operated under different operating conditions, were found to possess distinct dominant ammonia-oxidizing microorganisms. Ammonia-oxidizing archaeal (AOA) amoA genes outnumbered ammonia-oxidizing bacterial (AOB) amoA genes in reactor ...
Papitchaya, Srithep, Preeyaporn, Pornkulwat, Tawan, Limpiyakorn   +2 more
openaire   +2 more sources

pH as a Driver for Ammonia-Oxidizing Archaea in Forest Soils

Microbial Ecology, 2014
In this study, we investigated the impact of soil pH on the diversity and abundance of archaeal ammonia oxidizers in 27 different forest soils across Germany. DNA was extracted from topsoil samples, the amoA gene, encoding ammonia monooxygenase, was amplified; and the amplicons were sequenced using a 454-based pyrosequencing approach.
Stempfhuber, Barbara, Engel, Marion, Fischer, Doreen, Neskovic-Prit, Ganna, Wubet, Tesfaye, Schöning, Ingo, Gubry-Rangin, Cécile, Kublik, Susanne, Schloter-Hai, Brigitte, Rattei, Thomas, Welzl, Gerhard, Nicol, Graeme W., Schrumpf, Marion, Buscot, Francois, Prosser, James, Schloter, Michael   +15 more
openaire   +7 more sources