With the long-term cultured enhanced biological phosphorus removal systems in sequencing batch reactors, the effect of different ratios of propionic acid to acetic acid on the transformations of phosphorus and polyhydoxyalkanoates (PHA), and the metabolism stoichiometry of PHA by phosphorus accumulating organisms were studied in this paper. Results showed that the phosphorus removal efficiency improved with the increase of propionic acid to acetic acid ratio, and the suitable C-mol ratio of propionic acid to acetic acid was 2:1. Stoichiometry study indicated that 0.15 C-mol PHB and 0.33 C-mol (PHV + PH2MV) were synthesized per degraded C-mol acetic acid, and very few PHB and 1.21 C-mol (PHV + PH2MV) were synthesized per degraded C-mol propionic acid. It was also observed that the phosphorus removal efficiency exhibited a good linear relationship with (PHV + PH2MV).
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Exploring the biological impact of bacteria-derived indole compounds on human cell health: Cytotoxicity and cell proliferation across six cell lines.
Toxicol Rep
June 2025
Department of Environmental Science, Baylor University, Waco, TX 76798, USA.
Over the past two decades, research has increasingly focused on the interactions between diet, gut microbiota, and host organisms. Recent evidence suggests that tryptophan, an essential amino acid, can be metabolized by gut microbiota into indoles, which have significant biological effects. However, most research is limited to indole and its liver metabolite, indoxyl sulfate.
View Article and Find Full Text PDFA water-soluble polysaccharide from finger citron ameliorates diabetes mellitus via gut microbiota-GLP-1 pathway in high-fat diet and streptozotocin-induced diabetic mice.
Int J Biol Macromol
January 2025
Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China. Electronic address:
FCP-2-1, a water-soluble polysaccharide isolated and purified from Finger Citron, demonstrated hypoglycemic effect in vitro in our previous study. However, its antidiabetic effect and underlying mechanism in vivo remain to be elucidated. In this study, the antidiabetic effect of FCP-2-1 and its effects on the gut microbiota, short-chain fatty acids (SCFAs), and glucagon-like peptide-1 (GLP-1) in high-fat diet (HFD) and streptozotocin (STZ)-induced diabetic mice were investigated.
View Article and Find Full Text PDFCorrelation analysis of transcriptome and metabolomics and functional study of Galactinol synthase gene (VcGolS3) of blueberry under salt stress.
Plant Mol Biol
January 2025
College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China.
Soil salinity poses a significant environmental challenge for the growth and development of blueberries. However, the specific mechanisms by which blueberries respond to salt stress are still not fully understood. Here, we employed a comprehensive approach integrating physiological, metabolomic, and transcriptomic analyses to identify key metabolic pathways in blueberries under salt stress.
View Article and Find Full Text PDFAkkermansia muciniphila and its metabolite propionic acid maintains neuronal mitochondrial division and autophagy homeostasis during Alzheimer's disease pathologic process via GPR41 and GPR43.
Microbiome
January 2025
Innovative Institute of Animal Health Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangdong Province, Guangzhou, 510025, China.
Background: Alzheimer's disease (AD) is a prevalent neurodegenerative disease (ND). In recent years, multiple clinical and animal studies have shown that mitochondrial dysfunction may be involved in the pathogenesis of AD. In addition, short-chain fatty acids (SCFA) produced by intestinal microbiota metabolism have been considered to be important factors affecting central nervous system (CNS) homeostasis.
View Article and Find Full Text PDFModeling Local Aerosol Surface Environments: Clustering of Pyruvic Acid Analogs, Water, and Na, Cl Ions.
ACS Omega
January 2025
Department of Chemistry, Aarhus University, Langelandsgade 140, Aarhus C, Aarhus 8000, Denmark.
Pyruvic acid is an omnipresent compound in nature and is found both in the gas phase and in the particle phase of the atmosphere as well as in aqueous solution in the hydrosphere. Despite much literature on the photochemical degradation and stability of pyruvic acid in different chemical environments, the study of simultaneous interactions between gas-phase pyruvic acid or similar carboxylic acids with water and ions is not well-understood. Here, we present a study of microhydrated molecular clusters containing pyruvic acid and the structurally analogous carboxylic acids lactic acid, propionic acid, and 2,2-dihydroxypropanoic acid by probing geometries, binding free energies, hydrate distributions, as well as their infrared (IR) absorption spectra.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!