Results 61 to 70 of about 2,943 (165)

Diazotroph Diversity and Nitrogen Fixation in Summer Active Perennial Grasses in a Mediterranean Region Agricultural Soil

open access: yesFrontiers in Molecular Biosciences, 2019
Summer-growing perennial grasses such as Panicum coloratum L. cv. Bambatsi (Bambatsi panic), Chloris gayana Kunth cv. Katambora (Rhodes grass) and Digitaria eriantha Steud. cv.
Vadakattu V. S. R. Gupta   +7 more
doaj   +1 more source

Potential Impacts of Climate Interventions on Marine Ecosystems

open access: yesReviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract Rising global temperatures pose significant risks to marine ecosystems, biodiversity, and fisheries. Recent comprehensive assessments suggest that large‐scale mitigation efforts to limit warming are falling short, and all feasible future climate projections, including those that represent optimistic emissions reductions, exceed the Paris ...
Kelsey E. Roberts   +25 more
wiley   +1 more source

Stage‐specific biological nitrogen fixation depends on distinct carbon and nitrogen availability in long‐term fertilized paddy fields

open access: yesFunctional Ecology, Volume 40, Issue 3, Page 692-705, March 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Industrial Haber–Bosch provides 32 Tg nitrogen (N) per year to global croplands. Such large amounts of N fertilization will reshape soil N cycles. One uncertainty is whether and how these long‐term N inputs impact soil biological N2 fixation (BNF) associated with plant ...
Xinyue Hu   +10 more
wiley   +1 more source

A Short Comparison of Two Marine Planktonic Diazotrophic Symbioses Highlights an Un-quantified Disparity

open access: yesFrontiers in Marine Science, 2018
Some N2-fixing cyanobacteria form symbiosis with diverse protists. In the plankton two groups of diazotrophic symbioses are described: (1) a collective group of diatoms which associate with heterocystous cyanobacteria (Diatom Diazotroph Associations, DDA)
Andrea Caputo   +3 more
doaj   +1 more source

Diversity and Distribution of Soil Fungi in Neotropical Mexican Forests

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Soil fungal diversity across the Mexican Neotropics remains poorly characterized despite its ecological importance. Using the Global Soil Mycobiome dataset from 55 sites, we identified eight distinct fungal community groups structured primarily by vegetation type and climatic gradients.
Bernardo Águila   +5 more
wiley   +1 more source

Ca. Nitrososphaera and Bradyrhizobium are inversely correlated and related to agricultural practices in long-term field experiments

open access: yesFrontiers in Microbiology, 2013
Agricultural land management, such as fertilization, liming, and tillage affects soil properties, including pH, organic matter content, nitrification rates, and the microbial community.
Kateryna eZhalnina   +16 more
doaj   +1 more source

Structural analysis of the NifL‐NifA complex reveals the molecular basis of anti‐activation of nitrogen fixation gene expression in Azotobacter vinelandii

open access: yesThe FEBS Journal, Volume 293, Issue 6, Page 1643-1663, March 2026.
Understanding the molecular basis of nitrogen fixation is essential for engineering bacteria that fulfill the nitrogen demand of crop plants, reducing our reliance on synthetic nitrogen fertilizers. The bacterial two‐component system comprising the anti‐activator protein (NifL) and the Nif‐specific transcriptional activator (NifA) controls the nitrogen
Marcelo Bueno Batista   +6 more
wiley   +1 more source

Diazotrophic Bacterial Community of Degraded Pastures [PDF]

open access: yesApplied and Environmental Soil Science, 2017
Pasture degradation can cause changes in diazotrophic bacterial communities. Thus, this study aimed to evaluate the culturable and total diazotrophic bacterial community, associated with regions of the rhizosphere and roots ofBrachiaria decumbensStapf. pastures in different stages of degradation.
João Tiago Correia Oliveira   +8 more
openaire   +2 more sources

Diazotrophic Macroalgal Associations With Living and Decomposing Sargassum

open access: yesFrontiers in Microbiology, 2018
Despite several studies reporting diazotrophic macroalgal associations (DMAs), biological nitrogen fixation (BNF) is still largely overlooked as a potential source of nitrogen (N) for macroalgal productivity. We investigated the role of BNF, via the acetylene reduction method, throughout different life stages of the invasive macroalga, Sargassum ...
Yubin Raut   +2 more
openaire   +3 more sources

Microbial community overlap between the phyllosphere and rhizosphere of three plants from Yongxing Island, South China Sea

open access: yesMicrobiologyOpen, 2020
Phyllosphere and rhizosphere are unique and wide‐ranging habitats that harbor various microbial communities, which influence plant growth and health, and the productivity of the ecosystems.
Lijun Bao   +9 more
doaj   +1 more source

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