Results 11 to 20 of about 253,642 (203)

Ammonia-oxidizing archaea and complete ammonia-oxidizing Nitrospira in water treatment systems [PDF]

open access: yesWater Research X, 2022
Nitrification, the oxidation of ammonia to nitrate via nitrite, is important for many engineered water treatment systems. The sequential steps of this respiratory process are carried out by distinct microbial guilds, including ammonia-oxidizing bacteria (
Michelle McKnight   +2 more
exaly   +6 more sources

Adaptive traits of Nitrosocosmicus clade ammonia-oxidizing archaea [PDF]

open access: yesmBio
Nitrification is a core process in the global nitrogen (N) cycle mediated by ammonia-oxidizing microorganisms, including ammonia-oxidizing archaea (AOA) as a key player.
Saem Han   +11 more
doaj   +6 more sources

A Review of Ammonia-Oxidizing Archaea and Anaerobic Ammonia-Oxidizing Bacteria in the Aquaculture Pond Environment in China [PDF]

open access: yesFrontiers in Microbiology, 2021
The excessive ammonia produced in pond aquaculture processes cannot be ignored. In this review, we present the distribution and diversity of ammonia-oxidizing archaea (AOA) and anaerobic ammonia-oxidizing bacteria (AnAOB) in the pond environment ...
Shimin Lu, Liu Xingguo
exaly   +7 more sources

A review of ammonia-oxidizing bacteria and archaea in Chinese soils [PDF]

open access: yesFrontiers in Microbiology, 2012
Ammonia (NH3) oxidation, the first and rate-limiting step of nitrification, is a key step in the global Nitrogen (N) cycle. Major advances have been made in recent years in our knowledge and understanding of the microbial communities involved ammonia ...
Hong Di, Limei Zhang, Ji-Zheng He
exaly   +6 more sources

Diversity of Ammonia Oxidizing Archaea in Tropical Compost Systems [PDF]

open access: yesFrontiers in Microbiology, 2012
Composting is widely used to transform waste materials into valuable agricultural products. In the tropics, large quantities of agricultural wastes could be potentially useful in agriculture after composting.
Vidya eDe Gannes   +3 more
doaj   +5 more sources

Global ecological pattern of ammonia-oxidizing archaea. [PDF]

open access: yesPLoS ONE, 2013
BACKGROUND: The global distribution of ammonia-oxidizing archaea (AOA), which play a pivotal role in the nitrification process, has been confirmed through numerous ecological studies.
Huiluo Cao   +2 more
doaj   +6 more sources

Diversity and Abundance of Ammonia-Oxidizing Bacteria and Archaea in a Freshwater Recirculating Aquaculture System [PDF]

open access: yesHayati Journal of Biosciences, 2017
The role of ammonia-oxidizing bacteria and archaea was evaluated using amoA gene in a freshwater recirculating system. Broken earthen pot pieces (BEP) were used as filter bed material.
Cherita Devi Khangembam   +2 more
doaj   +2 more sources

Variability of the transporter gene complement in ammonia-oxidizing archaea

open access: yesTrends in Microbiology, 2014
Ammonia-oxidizing archaea (AOA) are a widespread and abundant component of microbial communities in many different ecosystems. The extent of physiological differences between individual AOA is, however, unknown.
Schleper, Christa   +3 more
core   +4 more sources

Ammonia-oxidizing archaea and ammonia-oxidizing bacteria in six full-scale wastewater treatment bioreactors [PDF]

open access: yesApplied Microbiology and Biotechnology, 2011
In this study, dideoxy sequencing and 454 high-throughput sequencing were used to analyze diversities of the ammonia monooxygenase (amoA) genes and the 16S rRNA genes of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) in six ...
Shao, MF   +9 more
core   +6 more sources

Diversity, Physiology, and Niche Differentiation of Ammonia-Oxidizing Archaea [PDF]

open access: yesApplied and Environmental Microbiology, 2012
Nitrification, the aerobic oxidation of ammonia to nitrate via nitrite, has been suggested to have been a central part of the global biogeochemical nitrogen cycle since the oxygenation of Earth.
Hatzenpichler, Roland
core   +5 more sources

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