Proline and Glycinebetaine Confer Cadmium Tolerance on Tobacco Bright Yellow-2 Cells by Increasing Ascorbate-Glutathione Cycle Enzyme Activities | Zendy

Mohammad Muzahidul Islam | Zendy; Md. Anamul Hoque | Zendy; Eiji Okuma | Zendy; Rayhanur Jannat | Zendy; Mst. Nasrin Akhter Banu | Zendy; M. Sarwar Jahan | Zendy; Yoshimasa Nakamura | Zendy; Yoshiyuki Murata | Zendy

Open Access

Proline and Glycinebetaine Confer Cadmium Tolerance on Tobacco Bright Yellow-2 Cells by Increasing Ascorbate-Glutathione Cycle Enzyme Activities

Author(s) -

Mohammad Muzahidul Islam,

Md. Anamul Hoque,

Eiji Okuma,

Rayhanur Jannat,

Mst. Nasrin Akhter Banu,

M. Sarwar Jahan,

Yoshimasa Nakamura,

Yoshiyuki Murata

Publication year - 2009

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.90305

Subject(s) - betaine , proline , glutathione , cadmium , enzyme , chemistry , biochemistry , glutathione reductase , amino acid , organic chemistry , glutathione peroxidase

Cadmium (Cd) stress significantly decreased membrane integrity and impaired the ascorbate (ASC)-glutathione (GSH) cycle in tobacco Bright Yellow-2 cells. Exogenous application of proline and glycinebetaine (betaine) significantly restored the membrane integrity and increased the activities of ASC-GSH cycle enzymes under Cd stress without maintenance of the rich ASC or GSH pools. Moreover, proline offered more efficient protection against Cd stress than betaine.

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