Effect of salt stress on the metabolism of ethanolamine and choline in leaves of the betaine-producing mangrove species Avicennia marina

Glycinebetaine synthesis from [methyl- 14C]choline and [1,2- 14C]ethanolamine in leaf disks of Avicennia marina, was increased by salt stress (250 and 500 mM NaCl). After 18 h incubation with [methyl- 14C]choline, phosphocholine and CO 2 were found to be heavily labelled. Phosphocholine contained 39...

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Veröffentlicht in:	Phytochemistry (Oxford) 2003-11, Vol.64 (5), p.941-948
Hauptverfasser:	Suzuki, Mihoko, Yasumoto, Eri, Baba, Shigeyuki, Ashihara, Hiroshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptation, Physiological adenine phosphoribosyltransferase adenosine kinase Adenosine Kinase - drug effects Adenosine Kinase - metabolism adenosine nucleosidase adenosylmethionine Avicennia - drug effects Avicennia - metabolism Avicennia marina Avicenniaceae Avicenniacease betaine Betaine - analogs & derivatives Betaine - metabolism biochemical pathways Biological and medical sciences Biosynthesis Carbon Dioxide - analysis Carbon Dioxide - chemistry Carbon Dioxide - metabolism Carbon Radioisotopes Choline Choline - analogs & derivatives Choline - metabolism Degradation enzyme activity Ethanolamine Ethanolamines - chemistry Ethanolamines - metabolism Fundamental and applied biological sciences. Psychology Glycinebetaine Grey mangrove leaves metabolism N-glycoside hydrolases N-Glycosyl Hydrolases - drug effects N-Glycosyl Hydrolases - metabolism Organophosphorus Compounds - chemistry Organophosphorus Compounds - metabolism phosphorylation phosphotransferases (phosphomutases) Plant Leaves - drug effects Plant Leaves - metabolism Plant physiology and development plant response S-Adenosylmethionine - analogs & derivatives S-Adenosylmethionine - drug effects S-Adenosylmethionine - metabolism Salt stress shrubs Sodium Chloride - metabolism Sodium Chloride - pharmacology Water and solutes. Absorption, translocation and permeability
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