High Dose of Nickel Unbalances Carbon Metabolism and Nitrogen Assimilation in Barley (<i>Hordeum vulgare</i> L.).

ABSTRACT: Pollution from heavy metals represents one of the most important threats to crops. Among these, Nickel (Ni) represents a dangerous element, strictly related to anthropic activity and easily accumulated in plants. In this study, effects of high levels (1 mM) of Ni²⁺ were investigated in barley (Hordeum vulgare L. cv. Nure) grown hydroponically, inducing a severe reduction in plant growth, as well as genotoxic damage. Moreover, stress affects photosynthesis, inducing a decrease in Fv/Fm and ΦPSII and an increase in D1 protein and RuBisCO (RbcL) abundance to compensate for the loss of photosynthetic efficiency. Changes were observed in carbon metabolism, with increases in phosphofructokinase, glyceraldehyde-3P dehydrogenase-NAD⁺, and pyruvate kinase

SUBMITTER: De Lillo A 

PROVIDER: S-EPMC12473449 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature