Exogenous proline and glycinebetaine increase antioxidant enzyme activities and confer tolerance to cadmium stress in cultured tobacco cells

Environmental stress, including heavy metal stress, can cause oxidative damage to plants. Up-regulation of the antioxidant defense system induced by proline and glycinebetaine (betaine) alleviates the damaging effects of oxidative stress in plants. Here, we investigated the protective effects of exo...

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Veröffentlicht in:	Journal of plant physiology 2009-10, Vol.166 (15), p.1587-1597
Hauptverfasser:	Islam, Mohammad Muzahidul, Hoque, Md. Anamul, Okuma, Eiji, Banu, Mst. Nasrin Akhter, Shimoishi, Yasuaki, Nakamura, Yoshimasa, Murata, Yoshiyuki
Format:	Artikel
Sprache:	eng
Schlagworte:	antioxidant activity Antioxidant enzymes Antioxidants - metabolism betaine Betaine - metabolism Betaine - pharmacology Biological and medical sciences Cadmium Cadmium - metabolism catalase Catalase - metabolism cell growth Cells, Cultured cultured cells enzyme activity Fundamental and applied biological sciences. Psychology Glycinebetaine heavy metals lipid peroxidation Lipid Peroxidation - drug effects metal tolerance Nicotiana - drug effects Nicotiana - growth & development Nicotiana - metabolism Nicotiana tabacum oxidative stress Oxidative Stress - drug effects peroxidase Plant physiology and development Plant Proteins - metabolism plant stress Proline Proline - metabolism Proline - pharmacology Reactive oxygen species superoxide dismutase Superoxide Dismutase - metabolism tobacco
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