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Influences of fluctuating nutrient loadings on nitrate-reducing microorganisms in rivers.
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January 2025
Key Laboratory of Water and Sediment Sciences, Ministry of Education, Department of Environmental Engineering, Peking University, Beijing 100871, China.
Rivers serve important functions for human society and are significantly impacted by anthropogenic nutrient inputs (e.g. organic and sulfur compounds).
View Article and Find Full Text PDFMicrocystin shapes the phycosphere through community filtering and by influencing cross-feeding interactions.
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Department of Microbiology, Universität Potsdam, Institute of Biochemistry and Biology, 14476 Potsdam-Golm, Germany.
The cyanobacterium causes harmful algal blooms that pose a major threat to human health and ecosystem services, particularly due to the prevalence of the potent hepatotoxin microcystin (MC). With their pronounced EPS layer, colonies also serve as a hub for heterotrophic phycosphere bacteria. Here, we tested the hypothesis that the genotypic plasticity in its ability to produce MC influences the composition and assembly of the phycosphere microbiome.
View Article and Find Full Text PDFRoot microbes can improve plant tolerance to insect damage: A systematic review and meta-analysis.
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January 2025
Entomology Department, Purdue University, West Lafayette, Indiana, USA.
To limit damage from insect herbivores, plants rely on a blend of defensive mechanisms that includes partnerships with beneficial microbes, particularly those inhabiting roots. While ample evidence exists for microbially mediated resistance responses that directly target insects through changing phytotoxin and volatile profiles, we know surprisingly little about the microbial underpinnings of plant tolerance. Tolerance defenses counteract insect damage via shifts in plant physiology that reallocate resources to fuel compensatory growth, improve photosynthetic efficiency, and reduce oxidative stress.
View Article and Find Full Text PDFFabrication and characterization of emulsion stabilized by tannic acid/soluble potato starch complexes.
Int J Biol Macromol
January 2025
Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong 510180, China. Electronic address:
In this study, the influence of tannic acid (TA)/soluble potato starch (PS) mass ratio and PS concentration on TA/PS complexes and emulsions stabilized by TA/PS complexes were studied. The size, hydrophobicity and emulsifying properties of TA/PS complexes were all controlled by TA/PS mass ratio and PS concentration. In detail, the hydrophobicity of PS (θ = 48°) improved after complexing with TA to form TA/PS complexes (θ = 64°).
View Article and Find Full Text PDFDesigned Synthesis of Amino-Azo-Quinoline and their Nickel(II) Complexes: Molecular Structure, Electrochemistry and an Insight into their in vitro Anti-Cancer Activities.
Chem Biodivers
January 2025
St Xavier's College, Kolkata, Department of Chemistry, 30, Mother teresa Sarani, Kol-16, 700016, Kolkata, INDIA.
Amino-quinolines are potential candidates that may provide some insight into the current chemotherapeutic research due to their demonstrated anti-cancer activity. This led us to synthesize and explore a new amino-azo-quinoline ligand H2L 1 and its square planar nickel(II) complexes [Ni(HL)(OAc)], 2 and [Ni(HL)Cl], 3 and the structures were determined by SCXRD. Theoretical investigation of redox orbitals of the complexes discloses that the reduction process is due to ligand reduction whereas both metal and ligand are contributing towards oxidation.
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