Results 11 to 20 of about 3,014 (133)

Anthropogenic climate change may reduce global diazotroph diversity [PDF]

open access: yesNature Communications
Climate change impacts microbial community structure and function, thus altering biogeochemical cycles. Biological nitrogen fixation by diazotrophs is involved in maintaining the balance of the global nitrogen cycle, but the global biogeographic patterns
Peng Li   +6 more
doaj   +2 more sources

Contribution of Heterotrophic Diazotrophs to N2 Fixation in a Eutrophic River: Free-Living vs. Aggregate-Associated

open access: yesFrontiers in Microbiology, 2022
Recent studies have indicated that heterotrophic diazotrophs are highly diverse and fix N2 in aquatic environments with potentially adverse conditions for diazotrophy, such as oxic and rich in total nitrogen.
Eyal Geisler   +2 more
exaly   +3 more sources

Enhancing biological nitrogen fixation in rice paddy ecosystems: challenges, opportunities, and sustainable strategies [PDF]

open access: yesFrontiers in Microbiology
Synthetic nitrogen (N) fertilizers have substantially increased rice (Oryza sativa) yields but at the expense of low N use efficiency, significant environmental losses, and deterioration of soil health.
Yanhui Zhang   +8 more
doaj   +2 more sources

Diazotrophs and N2-Fixation Associated With Particles in Coastal Estuarine Waters

open access: yesFrontiers in Microbiology, 2018
Putative heterotrophic bacteria carrying out N2-fixation, so-called non-cyanobacterial diazotrophs (NCDs), are widely distributed in marine waters, but details of how the O2-inhibited N2-fixation process is promoted in the oxic water column remains ...
Deniz Bombar   +2 more
exaly   +3 more sources

Sediments as Potential Sources of Non-Cyanobacterial Diazotrophs in Arctic Sea Ice and Seawater. [PDF]

open access: yesEnviron Microbiol Rep
Diazotrophic communities across Arctic environments: Integrated analyses of diazotrophs in sea ice, seawater, and sediments show that Arctic continental shelf sediments function as a central reservoir, supplying diazotrophs to both sea ice and seawater through resuspension processes.
Bo H   +10 more
europepmc   +2 more sources

nifH gene expression and diversity in geothermal springs of Tengchong, China

open access: yesFrontiers in Microbiology, 2022
Terrestrial hot springs have been suggested to harbor diverse diazotrophic lineages by using DNA-based nifH gene phylogenetic analysis. However, only a small amount of diazotrophs were ever confirmed to perform nitrogen fixation.
Zhao-Qi Song   +6 more
doaj   +1 more source

Temporal dynamics of total and active root-associated diazotrophic communities in field-grown rice

open access: yesFrontiers in Microbiology, 2022
Plant-associated nitrogen-fixing microorganisms (diazotrophs) are essential to host nutrient acquisition, productivity and health, but how host growth affects the succession characteristics of crop diazotrophic communities is still poorly understood ...
Xue Luo   +11 more
doaj   +1 more source

Manure applications alter the abundance, community structure and assembly process of diazotrophs in an acidic Ultisol

open access: yesFrontiers in Microbiology, 2022
The excessive usage of nitrogen (N) fertilizers can accelerate the tendency of global climate change. Biological N fixation by diazotrophs contributes substantially to N input and is a viable solution to sustainable agriculture via reducing inorganic N ...
Yongxin Lin   +4 more
doaj   +1 more source

Can Top-Down Controls Expand the Ecological Niche of Marine N2 Fixers?

open access: yesFrontiers in Microbiology, 2021
The ability of marine diazotrophs to fix dinitrogen gas (N2) is one of the most influential yet enigmatic processes in the ocean. With their activity diazotrophs support biological production by fixing about 100–200 Tg N/year and turning otherwise ...
Angela Landolfi   +8 more
doaj   +1 more source

Land use alters diazotroph community structure by regulating bacterivores in Mollisols in Northeast China

open access: yesFrontiers in Microbiology, 2022
Changes in land use can generate environmental pressures that influence soil biodiversity, and numerous studies have examined the influences of land use on the soil microbial communities.
Zhiming Zhang   +9 more
doaj   +1 more source

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