Results 41 to 50 of about 6,257 (199)

370_sequence amoA tree

open access: yes, 2015
Bayesian amoA phylogenetic tree derived from 454 ...
Kratsch, Christina   +13 more
core   +1 more source

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   +1 more source

Changes in the activities of key enzymes and the abundance of functional genes involved in nitrogen transformation in rice rhizosphere soil under different aerated conditions

open access: yesJournal of Integrative Agriculture, 2023
Soil microorganisms play important roles in nitrogen transformation. The aim of this study was to characterize changes in the activity of nitrogen transformation enzymes and the abundance of nitrogen function genes in rhizosphere soil aerated using three
Chun-mei XU   +6 more
doaj   +1 more source

613_sequence amoA tree

open access: yes, 2015
Bayesian 613-sequence phylogenetic amoA tree derived from merging non-redundant sequences available from GenBank database with non-redundant 454 ...
Kratsch, Christina   +13 more
core   +1 more source

Effects of macrobenthic bioturbation on the abundance and community composition of ammonia-oxidizing prokaryotes under different temperatures

open access: yesJournal of Freshwater Ecology, 2017
In order to investigate the effects of macrobenthos on the abundance and community composition of ammonia-oxidizing prokaryotes under different temperature conditions, laboratory microcosms containing two kinds of macrobenthos (Corbicula fluminea and ...
Dayong Zhao   +4 more
doaj   +1 more source

Quantification of ammonia oxidation rates and the distribution of ammonia-oxidizing Archaea and Bacteria in marine sediment depth profiles from Catalina Island, California

open access: yesFrontiers in Microbiology, 2012
Microbial communities present in marine sediments play a central role in nitrogen biogeochemistry at local to global scales. Along the oxidation-reduction gradients present in sediment profiles, multiple nitrogen cycling processes (such as nitrification,
J. Michael eBeman   +4 more
doaj   +1 more source

Organ Size and Metabolic Rate Co‐Vary with Dimensions of the Obstetric Pelvis: The Metabolic Coordination of Childbirth Hypothesis

open access: yesAmerican Journal of Biological Anthropology, Volume 191, Issue 1, September 2026.
Among South Asian women, those with larger organ mass and energy expenditure, indicating greater capacity to promote fetal growth, had larger pelvic dimensions, partly explained by linear growth patterns. However, body fat correlated with energy expenditure but not pelvic dimensions, helping explain why high adiposity increases risk of obstructed ...
Jonathan C. K. Wells   +6 more
wiley   +1 more source

Occurrence and abundance of ammonia‐oxidizing archaea and bacteria from the surface to below the water table, in deep soil, and their contributions to nitrification

open access: yesMicrobiologyOpen, 2017
Using molecular biology methods (qualitative and quantitative PCR), we determined the occurrence and abundance of ammonia‐oxidizing archaea (AOA) and ammonia‐oxidizing bacteria (AOB) from a dry inland soil in Basel, Switzerland, and from the riparian ...
Lei Zheng   +5 more
doaj   +1 more source

Microbiome‐mediated plant‐soil feedbacks as a tool for resilient agriculture

open access: yesiMetaOmics, Volume 3, Issue 3, September 2026.
Translating plant‐soil feedbacks (PSFs) into reliable agricultural management requires shifting from input‐dependent practices toward endogenous, process‐driven crop resilience. To bridge this gap, we propose a predictive framework centered on three strategic interventions: engineering the crop holobiont, diversifying the soil habitat, and deploying ...
Muhammad Asif   +4 more
wiley   +1 more source

Nitrogen removal and ammonia-oxidising bacteria in a vertical flow constructed wetland treating inorganic wastewater [PDF]

open access: yes, 2011
Nitrogen removal performance and the ammonia-oxidising bacterial (AOB) community were assessed in the batch loaded 1.3ha saturated surface vertical flow wetland at CSBP Ltd, a fertiliser and chemical manufacturer located in Kwinana, Western Australia ...
Domingos, S.S.   +4 more
core  

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