Results 21 to 30 of about 40,643 (298)

Vitamin B6 Acquisition and Metabolism in Schistosoma mansoni

open access: yesFrontiers in Immunology, 2021
Schistosomes are parasitic platyhelminths that currently infect >200 million people globally. The adult worms can live within the vasculature of their hosts for many years where they acquire all nutrients necessary for their survival and growth.
Akram A. Da’dara   +4 more
doaj   +1 more source

Simultaneous Determination of Underivatized Vitamin B1 and B6 in Whole Blood by Reversed Phase Ultra High Performance Liquid Chromatography Tandem Mass Spectrometry. [PDF]

open access: yesPLoS ONE, 2015
Vitamin B1 (thiamine-diphosphate) and B6 (pyridoxal-5'phosphate) are micronutrients. Analysis of these micronutrients is important to diagnose potential deficiency which often occurs in elderly people due to malnutrition, in severe alcoholism and in ...
Johan Puts   +3 more
doaj   +1 more source

Magnesium Contact Ions Stabilize the Tertiary Structure of Transfer RNA: Electrostatics Mapped by Two-Dimensional Infrared Spectra and Theoretical Simulations [PDF]

open access: yesJ. Phys. Chem. B 2021, 125, 740-747, 2021
Ions interacting with hydrated RNA play a central role in defining its secondary and tertiary structure. While spatial arrangements of ions, water molecules, and phosphate groups have been inferred from X-ray studies, the role of electrostatic and other noncovalent interactions in stabilizing compact folded RNA structures is not fully understood at the
arxiv   +1 more source

Ammonia-induced Calcium Phosphate Nanostructure: A Potential Assay for Studying Osteoporosis and Bone Metastasis [PDF]

open access: yesACS Applied Materials & Interfaces Manuscript ID: am-2021-004953.R2, 2021
Osteoclastic resorption of bone plays a central role in both osteoporosis and bone metastasis. A reliable in vitro assay that simulates osteoclastic resorption in vivo would significantly speed up the process of devel-oping effective therapeutic solutions for those diseases. Here we reported the development of a novel and robust nano-structured calcium
arxiv   +1 more source

SNZ3 Encodes a PLP Synthase Involved in Thiamine Synthesis in Saccharomyces cerevisiae

open access: yesG3: Genes, Genomes, Genetics, 2019
Pyridoxal 5′-phosphate (the active form of vitamin B6) is a cofactor that is important for a broad number of biochemical reactions and is essential for all forms of life.
Michael D. Paxhia, Diana M. Downs
doaj   +1 more source

Significantly Elevated Levels of Plasma Nicotinamide, Pyridoxal, and Pyridoxamine Phosphate Levels in Obese Emirati Population: A Cross-Sectional Study

open access: yesMolecules, 2020
Water-soluble vitamins like B3 (nicotinamide), B6 (pyridoxine), and B9 (folic acid) are of utmost importance in human health and disease, as they are involved in numerous critical metabolic reactions. Not surprisingly, deficiencies of these vitamins have
Ghada Rashad Ibrahim   +5 more
doaj   +1 more source

The intestine plays a substantial role in human vitamin B6 metabolism: a Caco-2 cell model. [PDF]

open access: yesPLoS ONE, 2013
BACKGROUND: Vitamin B6 is present in various forms (vitamers) in the diet that need to be metabolized to pyridoxal phosphate (PLP), the active cofactor form of vitamin B6.
Monique Albersen   +8 more
doaj   +1 more source

Circulating pyridoxal 5′-phosphate in serum and whole blood: implications for assessment of vitamin B6 status

open access: yesJournal of Laboratory Medicine, 2023
Concentrations of pyridoxal 5′-phosphate (PLP) in serum and whole blood are routinely measured. The suitability of these markers in capturing vitamin B6 insufficiency is not well studied.
Obeid Rima   +2 more
doaj   +1 more source

Pyridoxal 5'-phosphate is a slow tight binding inhibitor of E. coli pyridoxal kinase. [PDF]

open access: yesPLoS ONE, 2012
Pyridoxal 5'-phosphate (PLP) is a cofactor for dozens of B(6) requiring enzymes. PLP reacts with apo-B(6) enzymes by forming an aldimine linkage with the ε-amino group of an active site lysine residue, thus yielding the catalytically active holo-B(6 ...
Mohini S Ghatge   +10 more
doaj   +1 more source

Cyclofaulknamycin with the Rare Amino Acid D-capreomycidine Isolated from a Well-Characterized Streptomyces albus Strain

open access: yesMicroorganisms, 2021
Targeted genome mining is an efficient method of biosynthetic gene cluster prioritization within constantly growing genome databases. Using two capreomycidine biosynthesis genes, alpha-ketoglutarate-dependent arginine beta-hydroxylase and pyridoxal ...
Liliya Horbal   +5 more
doaj   +1 more source

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