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Publication Type J
Authors Kannan, P. R., S. Deepa, S. V. Kanth and R. Rengasamy
Title Growth, Osmolyte Concentration and Antioxidant Enzymes in the Leaves of Sesuvium portulacastrum L. Under Salinity Stress
Source Applied Biochemistry and Biotechnology
Author Keywords Halophyte Seapurslane Growth Osmolytes Antioxidant enzymes oxidative stress salt stress proline metabolism sodium-chloride rice seedlings nacl stress tolerance glycinebetaine accumulation halophyte
Abstract In this study, growth and osmolyte concentration in the leaves of halophyte, Sesuvium portulacastrum, were studied with respect to salinity. Therefore, the changes in shoot growth, leaf tissue water content, osmolyte concentration (proline content, glycine betaine) and antioxidant enzymes [polyphenol oxidase (PPO), superoxide dismutase (SOD) and catalase (CAT)] were investigated. The 30-day old S. portulacastrum plants were subjected to 100, 200, 300, 400, 500 and 600 mM NaCl for 28 days. The plant growth was steadily increased up to 500 mM NaCl stress at 28 days. TWC was higher in 300 mM NaCl treated leaves than that of 600 mM NaCl. Salinity stress induced the accumulation of osmolyte concentration when compared to control during the study period. The antioxidant enzymes PPO, CAT and SOD were increased under salinity.
Author Address [Kannan, P. Ramesh; Rengasamy, R.] Univ Madras, Ctr Adv Studies Bot, Chennai 600025, Tamil Nadu, India. [Deepa, S.; Kanth, Swarna V.] Cent Leather Res Inst CSIR, Ctr Human Organisat & Resource Dev, Chennai 600020, Tamil Nadu, India. Kannan, PR (reprint author), Univ Madras, Ctr Adv Studies Bot, Guindy Campus, Chennai 600025, Tamil Nadu, India. rameshclri07@gmail.com
ISSN 0273-2289
ISBN 0273-2289
29-Character Source Abbreviation Appl. Biochem. Biotechnol.
Publication Date Dec
Year Published 2013
Volume 171
Issue 8
Beginning Page 1925-1932
Digital Object Identifier (DOI) 10.1007/s12010-013-0475-9
Unique Article Identifier WOS:000327494800001
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