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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Effect of salinity on osmotic adjustment, glycinebetaine accumulation and the betaine aldehyde dehydrogenase gene expression in two halophytic plants, Salicornia europaea and Suaeda maritima
Plant Science, Volume 166, No. 5, Year 2004
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Description
Salicornia europaea and Suaeda maritima plants were exposed to salinity stress, and leaf water status, solute concentrations in the cell sap, plant growth, and levels of betaine aldehyde dehydrogenase (BADH) mRNA were measured. Salicornia europaea was able to maintain a higher tugor and relative water content at low leaf water potentials which was associated with a greater capacity for osmotic adjustment. The major osmotica in Salicornia europaea leaves was Na+ and glycine betaine and these solutes were increased by salinity. A similar tendency for the Na+ and glycine betaine concentration was observed in Suaeda maritima leaves but at lower concentrations Suaeda maritima plants accumulated higher levels of proline in their leaves under salt stress than Salicornia europaea. Betaine aldehyde dehydrogenase gene expression (BADH mRNA) in Salicornia europaea and Suaeda maritima leaves increased with salt stress and the expression pattern coincided with the observed betaine accumulation. © 2004 Elsevier Ireland Ltd. All rights reserved.
Authors & Co-Authors
Moghaieb, Reda Elwany Abedelhaleem
Japan, Higashihiroshima
Hiroshima University
Egypt, Giza
Faculty of Agriculture
Saneoka, Hirofumi
Japan, Higashihiroshima
Hiroshima University
Fujita, Kounosuke
Japan, Higashihiroshima
Hiroshima University
Statistics
Citations: 232
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.plantsci.2004.01.016
ISSN:
01689452
Research Areas
Environmental
Genetics And Genomics