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Showing 13 to 24 of 57 entries
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Polyamine Oxidation Is Indispensable for Wheat (.

Plants (Basel, Switzerland)

Dmochowska-Boguta M, Kloc Y, Orczyk W.
PMID: 34961257
Plants (Basel). 2021 Dec 16;10(12). doi: 10.3390/plants10122787.

Hydrogen peroxide is a signal and effector molecule in the plant response to pathogen infection. Wheat resistance to

Downregulation of Polyamine and Diamine Oxidases in Silicon-Treated Cucumber.

Plants (Basel, Switzerland)

Szegő A, Mirmazloum I, Pónya Z, Bat-Erdene O, Omran M, Kiss-Bába E, Gyöngyik M, Papp I.
PMID: 34205296
Plants (Basel). 2021 Jun 19;10(6). doi: 10.3390/plants10061248.

Silicon (Si) is a ubiquitous element in soil with well-known beneficial effects under certain conditions, in several plant species, if supplied in available form for uptake. It may alleviate damage in various stress situations and may also promote growth...

Exogenous γ-aminobutyric acid maintains fruit quality of apples through regulation of ethylene anabolism and polyamine metabolism.

Plant physiology and biochemistry : PPB

Li C, Zhu J, Sun L, Cheng Y, Hou J, Fan Y, Ge Y.
PMID: 34773806
Plant Physiol Biochem. 2021 Dec;169:92-101. doi: 10.1016/j.plaphy.2021.11.008. Epub 2021 Nov 10.

In this study, 'Golden Delicious' apples were dipped with γ-aminobutyric acid (GABA) solution to investigate the changes of quality parameters, ethylene anabolism, polyamine metabolism and GABA shunt. Results showed that GABA distinctly suppressed respiratory rate, reduced titratable acidity, maintained...

Polyamine Oxidase5 Regulates Arabidopsis Growth through Thermospermine Oxidase Activity.

Plant physiology

Kim DW, Watanabe K, Murayama C, Izawa S, Niitsu M, Michael AJ, Berberich T, Kusano T.
PMID: 24906355
Plant Physiol. 2014 Aug;165(4):1575-1590. doi: 10.1104/pp.114.242610. Epub 2014 Jun 06.

The major plant polyamines (PAs) are the tetraamines spermine (Spm) and thermospermine (T-Spm), the triamine spermidine, and the diamine putrescine. PA homeostasis is governed by the balance between biosynthesis and catabolism; the latter is catalyzed by polyamine oxidase (PAO)....

Structure of Pseudomonas aeruginosa spermidine dehydrogenase: a polyamine oxidase with a novel heme-binding fold.

The FEBS journal

Che S, Liang Y, Chen Y, Wu W, Liu R, Zhang Q, Bartlam M.
PMID: 34741591
FEBS J. 2021 Nov 06; doi: 10.1111/febs.16264. Epub 2021 Nov 06.

The opportunistic pathogen Pseudomonas aeruginosa can utilize polyamines (including putrescine, cadaverine, 4-aminobutyrate, spermidine, and spermine) as its sole source of carbon and nitrogen. Spermidine dehydrogenase (SpdH) is a component of one of the two polyamine utilization pathways identified in...

Involvement of Polyamine Oxidase-Produced Hydrogen Peroxide during Coleorhiza-Limited Germination of Rice Seeds.

Frontiers in plant science

Chen BX, Li WY, Gao YT, Chen ZJ, Zhang WN, Liu QJ, Chen Z, Liu J.
PMID: 27570530
Front Plant Sci. 2016 Aug 12;7:1219. doi: 10.3389/fpls.2016.01219. eCollection 2016.

Seed germination is a complicated biological process that requires regulated enzymatic and non-enzymatic reactions. The action of polyamine oxidase (PAO) produces hydrogen peroxide (H2O2), which promotes dicot seed germination. However, whether and, if so, how PAOs regulate monocot seed...

Polyamine metabolism in 'green-islands' on powdery mildew-infected barley leaves: possible interactions with senescence.

The New phytologist

Coghlan SE, Walters DR.
PMID: 33874100
New Phytol. 1990 Nov;116(3):417-424. doi: 10.1111/j.1469-8137.1990.tb00527.x.

Polyamine metabolism, lipoxygenase and catalase activities and ethylene production were examined in green-islands induced to form on detached barley leaves infected with the powdery mildew fungus, Erysiphe graminis f. sp. hordei Marchal. Several-fold increases in free polyamines were detected...

Polyamine Metabolism Is Involved in the Direct Regeneration of Shoots from Arabidopsis Lateral Root Primordia.

Plants (Basel, Switzerland)

Kaszler N, Benkő P, Bernula D, Szepesi Á, Fehér A, Gémes K.
PMID: 33562616
Plants (Basel). 2021 Feb 05;10(2). doi: 10.3390/plants10020305.

Plants can be regenerated from various explants/tissues via de novo shoot meristem formation. Most of these regeneration pathways are indirect and involve callus formation. Besides plant hormones, the role of polyamines (PAs) has been implicated in these processes. Interestingly,...

Polyamine Oxidases Play Various Roles in Plant Development and Abiotic Stress Tolerance.

Plants (Basel, Switzerland)

Yu Z, Jia D, Liu T.
PMID: 31234345
Plants (Basel). 2019 Jun 21;8(6). doi: 10.3390/plants8060184.

Polyamines not only play roles in plant growth and development, but also adapt to environmental stresses. Polyamines can be oxidized by copper-containing diamine oxidases (CuAOs) and flavin-containing polyamine oxidases (PAOs). Two types of PAOs exist in the plant kingdom;...

Identification of Bioactive Peptide Sequences from Amaranth (Amaranthus hypochondriacus) Seed Proteins and Their Potential Role in the Prevention of Chronic Diseases.

Comprehensive reviews in food science and food safety

Montoya-Rodríguez A, Gómez-Favela MA, Reyes-Moreno C, Milán-Carrillo J, González de Mejía E.
PMID: 33401808
Compr Rev Food Sci Food Saf. 2015 Mar;14(2):139-158. doi: 10.1111/1541-4337.12125. Epub 2015 Feb 02.

Amaranth (Amaranthus hypochondriacus) is a pseudocereal with higher protein concentration than most cereal grains. Enzymatic hydrolysis and food processing could produce biopeptides from amaranth proteins; however, there is limited information about the bioactivity of peptides from amaranth proteins. The...

Oxidative stress-dependent inhibition of yeast cell growth by farnesylamine and its possible relation to amine oxidase in the mitochondrial fraction.

Journal of bioscience and bioengineering

Tanaka T, Hijioka H, Fujita K, Usuki Y, Taniguchi M, Hirasawa E.
PMID: 16233738
J Biosci Bioeng. 2004;98(6):470-6. doi: 10.1016/S1389-1723(05)00314-2.

Among various analogs of the isoprenoid farnesol (FOH), farnesylamine (FNH2) inhibited the growth of the budding yeast Saccharomyces cerevisiae by accelerating cellular reactive oxygen species (ROS) generation. Unlike the case with FOH, however, FNH2 did not cause mitochondrial transmembrane...

Polyamine oxidase in oat leaves: a cell wall-localized enzyme.

Plant physiology

Kaur-Sawhney R, Flores HE, Galston AW.
PMID: 16661943
Plant Physiol. 1981 Aug;68(2):494-8. doi: 10.1104/pp.68.2.494.

The localization and activity of polyamine oxidase (PAO; EC 1.5.3.3), was investigated in leaves and protoplasts of oat seedlings. Activity of the enzyme is highest with spermine as substrate; spermidine is also oxidized, but putrescine and cadaverine are unaffected...

Showing 13 to 24 of 57 entries