Results 161 to 170 of about 18,577 (218)

Phytoglobin Scavenging of Nitric Oxide Is Associated With Ethylene Reduction and Drought Tolerance in Oat (Avena sativa). [PDF]

Physiol Plant
Montilla-Bascon G, Cristescu SM, Mur LAJ, Prats E.   +3 more
europepmc   +1 more source

Transcriptomic and physiological analyses reveal the molecular mechanisms underlying resistance to Cercospora beticola Sacc. (Cercospora leaf spot) in sugar beet. [PDF]

BMC Plant Biol
Jia R, Wei L, Shi X, Dong S, Tong X, Shi S.   +5 more
europepmc   +1 more source

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Polyamine oxidase in rat tissues

Biochimica et Biophysica Acta (BBA) - Enzymology, 1980
An assay procedure for polyamine oxidase in tissue homogenates was devised. The method is based on the degradation of N1,n12-diacetylspermine to N1-acetylspermidine and the determination using TLC of the latter. Polyamine oxidase activity is high in most tissues. Its activity is comparable to that of spermidine and spermine synthase.
N, Seiler, F N, Bolkenius, B, Knödgen, P, Mamont   +3 more
openaire   +4 more sources

Characterization of maize polyamine oxidase

Phytochemistry, 1990
Some structural and biochemical characteristics of polyamine oxidase (PAO) purified from maize shoots have been examined. The enzyme has only alanine as N-terminal amino acid and its N-terminal sequence shows a significant degree of homology with tryptophan 2-monooxygenase from Pseudomonas syringae pv. savastanoi.
FEDERICO, RODOLFO, CONA A, ANGELINI R, SCHININA', Maria Eugenia, GIARTOSIO, Anna   +4 more
openaire   +5 more sources

Inhibition of polyamine and spermine oxidases by polyamine analogues

The FEBS Journal, 2006
Polyamine oxidase (PAO) and spermine oxidase (SMO) are involved in the catabolism of polyamines – basic regulators of cell growth and proliferation. The discovery of selective inhibitors of PAO and SMO represents an important tool in studying the involvement of these enzymes in polyamine homeostasis and a starting point for the development of novel ...
Bianchi, M., Polticelli, F., Ascenzi, P., Botta, Maurizio, Federico, R., Mariottini, P., Cona, A.   +6 more
openaire   +5 more sources

Cytotoxicity of polyamines to Amoeba proteus: Role of polyamine oxidase

Cell Biology and Toxicology, 1996
It has been shown that oxidation of polyamines by polyamine oxidases can produce toxic compounds (H2O2, aldehydes, ammonia) and that the polyamine oxidase-polyamine system is implicated, in vitro, in the death of several parasites. Using Amoeba proteus as an in vitro model, we studied the cytotoxicity to these cells of spermine, spermidine, their ...
Schenkel, Eric, Dubois, Jacques, Helson, Marianne, Hanocq, Michel   +3 more
openaire   +2 more sources

Polyamine Oxidases and Oxidized Polyamines

2021
Polyamine oxidases that act at the secondary amino group would be further subdivided according to whether diaminopropane or aminopropionaldehyde were among the products. The highest specific activity was found in the peroxisomal fraction, where its presence has been confirmed histochemically in both rat liver and kidney, although polyamine oxidase was ...
openaire   +1 more source

A radioisotopic assay for polyamine oxidase

Analytical Biochemistry, 1990
A new radioisotopic assay for polyamine oxidase with N1-acetylspermine as substrate is presented. A modified method for the chemical synthesis of radioactive N1-acetylspermine, which gave a good yield, is also described. The reaction mixture, containing N1-[14C]acetylspermine and tissue homogenate, was incubated for the enzyme reaction and applied to a
T, Kumazawa, H, Seno, O, Suzuki
openaire   +2 more sources