Amino acid and glycine betaine accumulation in cold-stressed wheat seedlings
1991
Naidu, B.P. | Paleg, L.G. | Aspinall, D. | Jennings, A.C. | Jones, G.P.
The changes in amino acid and glycine betaine content in response to cold stress (4 degrees) in wheat seedlings were investigated using HPLC and NMR. Glutamine, proline, 4-aminobutyric acid, alanine, aspartic acid, asparagine, glycine, glycine betaine, valine, threonine and isoleucine levels increased while glutamic acid content decreased. These changes were not accompanied by a reduction in leaf water potential. Possible mechanisms of accumulation of these solutes are discussed.
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