Results 61 to 70 of about 1,383 (182)

Compound specific isotopic fractionation patterns suggest different carbon metabolisms among Chloroflexus-like bacteria in hot spring microbial mats [PDF]

open access: yes, 2003
Stable carbon isotope fractionations between dissolved inorganic carbon and lipid biomarkers suggest photoautotrophy by Chloroflexus-like organisms in sulfidic and nonsulfidic Yellowstone hot springs.
J. W. de Leeuw   +9 more
core   +1 more source

Meta‐Analysis and Systematic Review of the Performance of Biological Processes in the Treatment of Organic Matter From Dairy Wastewater

open access: yesCLEAN – Soil, Air, Water, Volume 54, Issue 6, June 2026.
ABSTRACT Dairy wastewater has raised many concerns because it is highly contaminated with high levels of organic matter. The major sources of contaminants in dairy wastewater are clean‐in‐place products, which are used to sanitize production lines, and whey, which is a byproduct of cheese and pressed yogurt.
Ncumisa Mpongwana   +4 more
wiley   +1 more source

Sulfide-dependent Photoautotrophy in the Filamentous Anoxygenic Phototrophic Bacterium, Chloroflexus aggregans.

open access: yesMicrobes and environments, 2019
Chloroflexus aggregans is a thermophilic filamentous anoxygenic phototrophic bacterium frequently found in microbial mats in natural hot springs. C. aggregans often thrives with cyanobacteria that engage in photosynthesis to provide it with an organic substrate; however, it sometimes appears as the dominant phototroph in microbial mats without ...
Kanno, Nanako   +2 more
openaire   +2 more sources

Four Novel Genes Required for Optimal Photoautotrophic Growth of the Cyanobacterium Synechocystis sp. Strain PCC 6803 Identified by In Vitro Transposon Mutagenesis [PDF]

open access: yes, 2004
Four novel Synechocystis sp. strain PCC 6803 genes (sll1495, sll0804, slr11306, and slr1125) which encode hypothetical proteins were determined by transposon mutagenesis to be required for optimal photoautotrophic growth. Mutations were also recovered in
Zhang, Shulu   +3 more
core   +1 more source

Spatial omics in the AI era: Technologies, algorithmic ecosystems, biological applications, and large model perspectives

open access: yesiMeta, Volume 5, Issue 3, June 2026.
This review focuses on spatial omics, covering the introduction and comparison of technology platforms, explanation and recommendation of algorithm ecology, demonstration of biological applications, and prospect of large models. It aims to help researchers in the interdisciplinary field of spatial omics quickly understand the current situation and ...
Haoxiu Wang   +26 more
wiley   +1 more source

Urea provides an important nitrogen source for microbial populations in an ultraoligotrophic sea

open access: yesLimnology and Oceanography, Volume 71, Issue 6, June 2026.
Urea is an organic nitrogen (N) compound directly utilized by both heterotrophic prokaryotes and some photoautotrophs. Reports of either ambient urea concentrations or urea uptake rates from the ultraoligotrophic eastern Mediterranean Sea are lacking. We investigated urea distribution and uptake in the upper water column in the Levantine basin during ...
Alon Blachinsky   +7 more
wiley   +1 more source

Mixoplankton and mixotrophy: future research priorities

open access: yes, 2023
Phago-mixotrophy, the combination of photoautotrophy and phagotrophy in mixoplankton, organisms that can combine both trophic strategies, have gained increasing attention over the past decade.
Glibert, Patricia M.   +18 more
core   +1 more source

Resistance and Recovery of Crop Productivity From Contrasted Soil Fertility

open access: yesEarth's Future, Volume 14, Issue 6, June 2026.
Abstract The balance between crop production and environmental sustainability depends on an adequate supply of soil nutrients, although changes in nutrient supply may initially have little effect on crop production due to the buffering effects of soil nutrients and the overall resilience of the system.
Xue Tian   +10 more
wiley   +1 more source

Nitrogen Assimilation of Micropropagated Strawberry Plantlets during the Transition from Heterotrophy to Photoautotrophy [PDF]

open access: yesHortScience, 1995
A study was conducted to determine the implication of nitrate reductase (NR) and glutamine synthetase (GS) during the transition of micropropagated plantlets from heterotrophy to photoautotrophy to document how nitrogen metabolism interfaces with photosynthetic and anaplerotic CO2 fixation.
S. Aquin, Y. Desjardins, L.-P. Vézina
openaire   +1 more source

The Elbe Estuary Microbiome Shifts With Salinity and Discharge and Depends on Fresh Organic Matter and Nutrient Availability

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 3, June 2026.
Microbial diversity within the Elbe Estuary was found to be more strongly governed by seasonal variability, salinity, and discharge than by spatial heterogeneity. Oligohaline regions sustain high diversity, while nutrient and redox conditions drive functional shifts.
Vanessa Russnak   +4 more
wiley   +1 more source

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