biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 42:143-148, 1999 | DOI: 10.1023/A:1002189425061

Responses of Ceriops Roxburghiana to NaCl Stress

A. Rajesh1, R. Arumugam1, V. Venkatesalu1
1 Department of Botany, Annamalai University, Tamil Nadu, India

Responses of Ceriops roxburghiana Arn. leaves to the sodium chloride, applied at different concentrations (ranging from 100 to 600 mM), has been evaluated. Total amino acid content decreased with increasing NaCl concentration, while the protein content increased significantly up to 400 mM concentration and decreased thereafter. Total sugar content decreased at concentrations beyond 400 mM. Proline and glycine betaine were accumulated with increasing NaCl concentration. Protease and ATPase activities were increased whereas proline oxidase activity were decreased with increasing salinity. Peroxidase and malate dehydrogenase (NADH-MDH) activities did not significantly differ under various NaCl concentrations.

Keywords: ATPase; glycine betaine; malate dehydrogenase; peroxidase; proline; proline oxidase; protease; salt stress
Subjects: ATPase, NaCl stress; Ceriops roxburghiana; glycine betain, NaCl stress; malate dehydrogenase, NaCl stress; NaCl stress, amino acids, proteins; peroxidase, NaCl stress; phenols, NaCl stress; proline oxidase, NaCl stress; protease, NaCl stress; salinity, amino acids, proteins; sugars, NaCl stress

Published: July 1, 1999  Show citation

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Rajesh, A., Arumugam, R., & Venkatesalu, V. (1999). Responses of Ceriops Roxburghiana to NaCl Stress. Biologia plantarum42(1), 143-148. doi: 10.1023/A:1002189425061
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