Young, RE;    Purton, S;      (2014)    Cytosine deaminase as a negative selectable marker for the microalgal chloroplast: a strategy for the isolation of nuclear mutations that affect chloroplast gene expression.                   Plant Journal , 80  (5)   915 - 925.    10.1111/tpj.12675 <https://doi.org/10.1111/tpj.12675>.       Green open access