Results 21 to 30 of about 66,906 (298)
Frontiers in Microbiology, 2020 Nitrification inhibitors (NIs) applied to soil reduce nitrogen fertilizer losses from agro-ecosystems. NIs that are currently registered for use in agriculture appear to selectively inhibit ammonia-oxidizing bacteria (AOB), while their impact on other ...
Evangelia S. Papadopoulou +9 more
doaj +1 more source
Frontiers in Environmental Science, 2022 Ammonia-oxidizing archaea (AOA) and bacteria (AOB) are the most important ammonia oxidation functional community, while the coastal environment just provides a different oxygen environment for the ammonia oxidation process.
Jialin Du +8 more
doaj +1 more source
Urease-Encoding Genes in Ammonia-Oxidizing Bacteria [PDF]
Applied and Environmental Microbiology, 2004 ABSTRACT Many but not all ammonia-oxidizing bacteria (AOB) produce urease (urea amidohydrolase, EC 3.5.1.5) and are capable of using urea for chemolithotrophic growth. We sequenced the urease operons from two AOB, the β-proteobacterium Nitrosospira sp.
Koper, T. E. +3 more
openaire +3 more sources
Scientific Reports, 2016 Nitrification directly contributes to the ammonia removal in sponges and it plays an indispensable role in sponge-mediated nitrogen cycle. Previous studies have demonstrated genomic evidences of nitrifying lineages in the sponge Theonella swinhoei ...
G. Feng +4 more
semanticscholar +1 more source
mSystems, 2020 Ammonia-oxidizing microorganisms perform the first step of nitrification, the oxidation of ammonia to nitrite. The bacterium Nitrosomonas europaea is the best-characterized ammonia oxidizer to date. Exposure to hypoxic conditions has a profound effect on
Christopher J. Sedlacek +10 more
doaj +3 more sources
Hayati Journal of Biosciences, 2018 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 +1 more source
, 2020 Forest disturbance increases soil nitrification rates in temperate ecosystems, but little is understood regarding contributions of newly discovered complete ammonia-oxidizing bacteria (i.e., comammox) to this important ecosystem process. We sampled soils
Ernest D. Osburn, J. Barrett
semanticscholar +1 more source
Isolation of Ammonia‐oxidizing Autotrophic Bacteria
Journal of Applied Bacteriology, 1968 SUMMARY Procedures are described for isolating ammonia‐oxidizing autotrophic bacteria in pure culture, using solid media made from purified agar and appropriate micromanipulations.
Soriano, S., Walker, N.
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Competition between Ammonia-Oxidizing Bacteria and Benthic Microalgae [PDF]
Applied and Environmental Microbiology, 2004 ABSTRACTThe abundance, activity, and diversity of ammonia-oxidizing bacteria (AOB) were studied in prepared microcosms with and without microphytobenthic activity. In the microcosm without alga activity, both AOB abundance, estimated by real-time PCR, and potential nitrification increased during the course of the experiment.
Risgaard-Petersen, N. +3 more
openaire +4 more sources
Hayati 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 +1 more source