Mineral composition of and proline accumulation by zostera marina L. in response to environmental salinity

作者: J. Van Diggelen , J. Rozema , R. Broekman

DOI: 10.1016/0304-3770(87)90064-7

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摘要: Abstract Plants of Zostera marina L. collected in the field were grown for several weeks at different salinities under controlled conditions. After this period plants harvested and plant tissue water was analysed proline, Na, K Cl, which increased response to seawater concentration as did osmolality. Proline accumulated up 22 mmoll −1 highest concentration. synthesis or breakdwon found be slow changes environmental salinity. Nitrogen levels high (5% dry weight); a possible drain proline on nitrogen is discussed. In vitro activity malate dehydrogenase (MDH) inhibited by NaCl; not affect MDH activity, even 1 mol l . The role osmotic adaptation

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