Results 31 to 40 of about 21,338 (219)

Immunocytochemical Detection of Ornithine Decarboxylase [PDF]

open access: yesJournal of Histochemistry & Cytochemistry, 1999
Ornithine decarboxylase (ODC), a regulatory enzyme of polyamine biosynthesis, is involved in cell growth and differentiation. Lack of information about the exact cellular and subcellular localization of ODC is one of the main obstacles to precise interpretation of the biological roles of the ODC/polyamine system.
Schipper, R.G.   +5 more
openaire   +3 more sources

Characterization of the Link between Ornithine, Arginine, Polyamine and Siderophore Metabolism in Aspergillus fumigatus. [PDF]

open access: yesPLoS ONE, 2013
The opportunistic fungal pathogen Aspergillus fumigatus produces siderophores for uptake and storage of iron, which is essential for its virulence. The main precursor of siderophore biosynthesis (SB), ornithine, can be produced from glutamate in the ...
Nicola Beckmann   +6 more
doaj   +1 more source

Untargeted metabolomics reveals a lack of synergy between nifurtimox and eflornithine against trypanosoma brucei [PDF]

open access: yes, 2012
A non-targeted metabolomics-based approach is presented that enables the study of pathways in response to drug action with the aim of defining the mode of action of trypanocides.
Burgess, K.   +34 more
core   +1 more source

Mitogen‐Activated Protein Kinase and Intracellular Polyamine Signaling Is Involved in TRPV1 Activation–Induced Cardiac Hypertrophy

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2016
BackgroundThe transient receptor potential vanilloid type 1 (TRPV1) is expressed in the cardiovascular system, and increased TRPV1 expression has been associated with cardiac hypertrophy.
Mai Chen   +6 more
doaj   +1 more source

Species of Staphylococcus and Bacillus isolated from traditional sausages as producers of biogenic amines.

open access: yesFrontiers in Microbiology, 2012
Histidine, lysine, ornithine and tyrosine decarboxylase activities were tested in 38 strains of Staphylococcus (15 of Staph. equorum, 11 of Staph. epidermidis, 7 of Staph. saprophyticus, and 5 of Staph.
Roberto eBermúdez   +4 more
doaj   +1 more source

Sensing and adaptation to low pH mediated by inducible amino acid decarboxylases in Salmonella. [PDF]

open access: yesPLoS ONE, 2011
During the course of infection, Salmonella enterica serovar Typhimurium must successively survive the harsh acid stress of the stomach and multiply into a mild acidic compartment within macrophages.
Julie P M Viala   +5 more
doaj   +1 more source

mRNA dynamics and alternative conformations adopted under low and high arginine concentrations control polyamine biosynthesis in Salmonella. [PDF]

open access: yesPLoS Genetics, 2019
Putrescine belongs to the large group of polyamines, an essential class of metabolites that exists throughout all kingdoms of life. The Salmonella speF gene encodes an inducible ornithine decarboxylase that produces putrescine from ornithine.
Tamar Ben-Zvi   +5 more
doaj   +1 more source

Uric Acid Deteriorates Load-Free Cell Shortening of Cultured Adult Rat Ventricular Cardiomyocytes via Stimulation of Arginine Turnover

open access: yesBiology, 2022
Hyperuricemia is a risk factor for heart disease. Cardiomyocytes produce uric acid via xanthine oxidase. The enzymatic reaction leads to oxidative stress in uric-acid-producing cells.
Martin Weber   +2 more
doaj   +1 more source

A molecular mechanism for eflornithine resistance in African trypanosomes [PDF]

open access: yes, 2010
Human African trypanosomiasis, endemic to sub-Saharan Africa, is invariably fatal if untreated. Its causative agent is the protozoan parasite Trypanosoma brucei.
Creek Darren   +45 more
core   +1 more source

Hydroxylamine Analogue of Agmatine: Magic Bullet for Arginine Decarboxylase

open access: yesBiomolecules, 2020
The biogenic polyamines, spermine, spermidine (Spd) and putrescine (Put) are present at micro-millimolar concentrations in eukaryotic and prokaryotic cells (many prokaryotes have no spermine), participating in the regulation of cellular proliferation and
Mervi T. Hyvönen   +9 more
doaj   +1 more source

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