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Bistable Functions and Signaling Motifs in Systems Chemistry: Taking the Next Step Toward Synthetic Cells.
Acc Chem Res
January 2025
Department of Chemistry, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel.
ConspectusA key challenge in modern chemistry research is to mimic life-like functions using simple molecular networks and the integration of such networks into the first functional artificial cell. Central to this endeavor is the development of signaling elements that can regulate the cell function in time and space by producing entities of code with specific information to induce downstream activity. Such artificial signaling motifs can emerge in nonequilibrium systems, exhibiting complex dynamic behavior like bistability, multistability, oscillations, and chaos.
View Article and Find Full Text PDFAn integrated multiphase dynamic genome-scale model explains batch fermentations led by species of the genus.
mSystems
January 2025
Biosystems and Bioprocess Engineering, IIM-CSIC, Vigo, Spain.
During batch fermentation, a variety of compounds are synthesized, as microorganisms undergo distinct growth phases: lag, exponential, growth-no-growth transition, stationary, and decay. A detailed understanding of the metabolic pathways involved in these phases is crucial for optimizing the production of target compounds. Dynamic flux balance analysis (dFBA) offers insight into the dynamics of metabolic pathways.
View Article and Find Full Text PDFIdentification of scavenger receptor (LmSRA3) gene and its immune response to Aeromonas veronii in Lateolabrax maculatus.
Dev Comp Immunol
January 2025
Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China; Sanya Tropical Fisheries Research Institute, Sanya, China. Electronic address:
Scavenger receptors (SRs) serve as essential pattern recognition receptors in the innate immune system, playing multiple roles in the immunity of fish. They contribute to defense mechanisms against pathogenic infections through various pathways. However, research on the functions of SRs in the immune response of Spotted sea bass remains limited.
View Article and Find Full Text PDFDeep cryptic diversity in the Species Group (Anura: Craugastoridae) of Isthmian Central America revealed by mitochondrial and nuclear data.
PeerJ
January 2025
Zoology, Instituto de Biología, UNAM, Mexico City, Mexico.
The Species Group contains eleven species of terraranan frogs distributed from eastern Honduras to eastern Panama. All species have remarkable color pattern polymorphisms, which may contribute to potential taxonomic problems. We performed exhaustive sampling throughout the geographic distribution of the group to evaluate the phylogenetic relationships and biogeographic history of all named species based on two mitochondrial markers and nuclear ddRAD loci.
View Article and Find Full Text PDFN, N-dimethyltryptamine (DMT) in rodent brain: Concentrations, distribution, and recent pharmacological data.
Prog Neuropsychopharmacol Biol Psychiatry
January 2025
Louisiana State University, Department of Comparative Biomedical Sciences, Baton Rouge, LA 70803, United States of America. Electronic address:
Renewed interest in the clinical use of psychedelic drugs acknowledges their therapeutic effectiveness. It has also provided a changing frame of reference for older psychedelic drug study data, especially regarding concentrations of N, N-dimethyltryptamine (DMT) reported in rodent brains and recent discoveries in DMT receptor interactions in rat brain neurons and select brain areas. The mode of action of DMT in its newly defined role as a neuroplastogen, its effectiveness in treating neuropsychiatric disorders, and its binding to intracellular sigma-1 and 5HT2a receptors may define these possible roles.
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