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      Rapid determination of free proline for water-stress studies

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      Springer Science and Business Media LLC

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          Abstract

          Plant and Soil, 39(1), 205-207

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          Amino Acid and protein metabolism in bermuda grass during water stress.

          The ability of Arizona Common and Coastal Bermuda grass [Cynodon dactylon (L.) Pers.] to synthesize amino acids and proteins during water stress was investigated. Amino acids were continually synthesized during the water stress treatments, but protein synthesis was inhibited and protein levels decreased.Water stress induced a 10- to 100-fold accumulation of free proline in shoots and a 2- to 6-fold accumulation of free asparagine, both of which are characteristic responses of water-stressed plants. Valine levels increased, and glutamic acid and alanine levels decreased.(14)C labeling experiments showed that free proline turns over more slowly than any other free amino acid during water stress. This proline is readily synthesized and accumulated from glutamic acid. It is suggested that during water stress free proline functions as a storage compound.No significant differences were found in the amino acid and protein metabolism of the 2 varieties of Bermuda grass.
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            Changes in Amino Acid Content of Excised Leaves During Incubation I. The Effect of Water Content of Leaves and Atmospheric Oxygen Level

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              The theoretical basis and practical application of a new method of selection for determining water deficiency in plants

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                Author and article information

                Journal
                Springer Science and Business Media LLC
                1973
                August 1973
                03 April 2019
                Article
                10.1007/BF00018060
                20688380
                5f59bbb3-9164-42a6-b5eb-db214b64e221

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