Overexpression of AtPCS1 in tobacco increases arsenic and arsenic plus cadmium accumulation and detoxification

  title={Overexpression of AtPCS1 in tobacco increases arsenic and arsenic plus cadmium accumulation and detoxification},
  author={Letizia Zanella and L Fattorini and Patrizia Brunetti and Enrica Roccotiello and Laura Cornara and Simone D’Angeli and F Della Rovere and Maura Cardarelli and Maurizio Barbieri and Luigi Sanit{\`a} di Toppi and Francesca Degola and Sylvia Lindberg and Maria Maddalena Altamura and G Falasca},
The heterologous expression of AtPCS1 in tobacco plants exposed to arsenic plus cadmium enhances phytochelatin levels, root As/Cd accumulation and pollutants detoxification, but does not prevent root cyto-histological damages. High phytochelatin (PC) levels may be involved in accumulation and detoxification of both cadmium (Cd) and arsenic (As) in numerous plants. Although polluted environments are frequently characterized by As and Cd coexistence, how increased PC levels affect the adaptation… CONTINUE READING
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