Results 91 to 100 of about 6,257 (199)

Forecasting Root Rot Disease through Predictive Microbial Functional Profiling

open access: yesAdvanced Science, Volume 13, Issue 23, 23 April 2026.
Predicting soil‐borne disease moves beyond observation with a framework that elevates microbial functional genes into reliable forecasting biomarkers. By coupling targeted qPCR assays for core stress‐response genes with machine learning, this method detects root rot risks in pre‐symptomatic soils with over 80% accuracy.
Chuan You   +11 more
wiley   +1 more source

Lifeguard Experience, Confidence, and Learning Preferences Following Airway Management and Oxygen Administration Training

open access: yesInternational Journal of First Aid Education
Objective:To evaluate lifeguards' confidence, experience, and learning preferences following training in airway management and oxygen administration (AMOA). The goal was to identify gaps in confidence and experience, as well as preferred training methods.
Connor J O'Keefe   +2 more
doaj   +2 more sources

Neighbor joining consensus tree of bacterial AmoA phylotypes.

open access: yes, 2014
Colored branches indicate the Nitrosomonas cluster (green) and Nitrosospira cluster (blue). Boot strap values are indicated at nodes. Values in red are cluster designations following the classification of Avrahami et al.
Vidya de Gannes (529416)   +2 more
core   +1 more source

Abundances of archaeal and bacterial amoA genes in the surface sediment samples treated with different temperatures.

open access: yes, 2014
Data are shown as Means±SD (n = 3). Different uppercase (archaeal amoA gene) and lowercase letters (bacterial amoA gene) refer to significant differences between different temperature treatments ...
Dayong Zhao (588198)   +4 more
core   +1 more source

Purple Sulfur Bacteria Dominate Microbial Community in Brazilian Limestone Cave

open access: yesMicroorganisms, 2019
The mineralogical composition of caves makes the environment ideal for inhabitation by microbes. However, the bacterial diversity in the cave ecosystem remains largely unexplored.
Eric L. S. Marques   +5 more
doaj   +1 more source

Impact of Long-Term Fertilization on Community Structure of Ammonia Oxidizing and Denitrifying Bacteria Based on amoA and nirK Genes in a Rice Paddy from Tai Lake Region, China

open access: yesJournal of Integrative Agriculture, 2014
Ammonia oxidizing (AOB) and denitrifying bacteria (DNB) play an important role in soil nitrogen transformation in natural and agricultural ecosystems. Effects of long-term fertilization on abundance and community composition of AOB and DNB were studied ...
Zhen-jiang JIN   +5 more
doaj   +1 more source

The ammonia monooxygenase structural gene amoA as a functional marker: Molecular fine-scale analysis of natural ammonia-oxidizing populations

open access: yes, 1997
The naturally occurring genetic heterogeneity of autotrophic ammonia-oxidizing populations belonging to the beta subclass of the Proteobacteria was studied by using a newly developed PCR-based assay targeting a partial stretch of the gene which encodes ...
Witzel, K.   +2 more
core   +2 more sources

Abundance and Community Composition of Ammonia-Oxidizers in Paddy Soil at Different Nitrogen Fertilizer Rates

open access: yesJournal of Integrative Agriculture, 2014
Ammonia oxidation, the first and rate-limiting step of nitrification, is carried out by both ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA).
Ya-na SONG, Zhi-min LIN
doaj   +1 more source

Testing the Specificity of Primers to Environmental Ammonia Monooxygenase (amoA) Genes in Groundwater Treated with Urea to Promote Calcite Precipitation [PDF]

open access: yes, 2006
Bacterial ammonia monooxygenase (amoA) genes in DNA isolated from microorganisms in groundwater were characterized by amplification of amoA DNA using polymerase chain reaction (PCR), Restriction Fragment Length Polymorphism (RFLP) analysis, and ...
Fujita, Y., Reed, D.W., Freeman, S.
core  

Genetic and transcriptional profiles of ammonia oxidizing communities in Bohai sediments: abundance, activity, and environmental correlations

open access: yesFrontiers in Microbiology
Ammonia oxidation, a crucial part in nitrogen cycle, is thought to be jointly driven by ammonia-oxidizing archaea (AOA), ammonia-oxidizing bacteria (AOB), and complete ammonia oxidation (comammox) in the ocean.
Yining Jiang   +5 more
doaj   +1 more source

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