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Deciphering the impact of NOS-derived NO on nitrogen metabolism and carbon flux in the heterocytous cyanobacterium Aphanizomenon flos-aquae 2012/KM1/D3.
Plant Physiol Biochem
January 2025
Laboratory of Microbial Genetics, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India. Electronic address:
Nitric oxide synthases (NOSs) are heme-based monooxygenases that catalyze the NADPH-dependent oxidation of L-arginine to produce NO and L-citrulline. Over the past five years, the identification and characterization of NOS homologs in cyanobacteria have significantly advanced our understanding of these enzymes. However, the precise mechanisms through which NOS-derived NO influences nitrogen metabolism remain incompletely elucidated.
View Article and Find Full Text PDFDesmopressin prescription safety in adult inpatients: a real-world tertiary centre experience.
Endocr Connect
January 2025
A Munir, Diabetes and Endocrinology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom of Great Britain and Northern Ireland.
Omissions or delays in desmopressin can result in serious patient harm in patients with Arginine-Vasopressin Deficiency (AVP-D), formally known as Cranial Diabetes Insipidus (CDI). Desmopressin administration practice in hospitals has not been thoroughly investigated previously. This study evaluated desmopressin prescription and administration practice at a large tertiary centre.
View Article and Find Full Text PDFComparative metabolic study of planktonic and sessile cells in Salmonella Enteritidis ATCC 13076: Elucidating metabolic pathways driving biofilm formation.
PLoS One
January 2025
Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Colombia.
Microorganisms tend to accumulate on surfaces, forming aggregates such as biofilms, which grant them resistance to various environmental stressors and antimicrobial agents. This ability has hindered the effective treatment of diseases caused by pathogenic microorganisms, including Salmonella, which is responsible for a significant number of deaths worldwide. This study aimed to compare the metabolic profiles of planktonic and sessile cells of Salmonella Enteritidis using a metabolomics approach.
View Article and Find Full Text PDFArginylation of ⍺-tubulin at E77 regulates microtubule dynamics via MAP1S.
J Cell Biol
April 2025
University of Pennsylvania, School of Veterinary Medicine, Philadelphia, PA, USA.
Arginylation is the posttranslational addition of arginine to a protein by arginyltransferase-1 (ATE1). Previous studies have found that ATE1 targets multiple cytoskeletal proteins, and Ate1 deletion causes cytoskeletal defects, including reduced cell motility and adhesion. Some of these defects have been linked to actin arginylation, but the role of other arginylated cytoskeletal proteins has not been studied.
View Article and Find Full Text PDFElucidating the Mechanisms of Acquired Palbociclib Resistance via Comprehensive Metabolomics Profiling.
Curr Issues Mol Biol
January 2025
Center for Advanced Measurement Science, National Institute of Metrology, Beijing 100029, China.
Palbociclib is a cyclin-dependent kinase 4/6 inhibitor and a commonly used antitumor drug. Many cancers are susceptible to palbociclib resistance, however, the underlying metabolism mechanism and extent of resistance to palbociclib are unknown. In this study, LC-MS metabolomics was used to investigate the metabolite changes of colorectal cancer SW620 cells that were resistant to palbociclib.
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