phosphoglycolate phosphatase-deficient mutant of Arabidopsis

CURRENT concepts of photosynthetic and photorespiratory carbon metabolism have been derived almost entirely from the results of biochemical and physiological investigations. To examine these concepts by genetic analysis, we have isolated several mutants of a C 3 species with defects in CO 2 assimilation and photorespiration. We report here the isolation and preliminary characterisation of the first of these, a mutant deficient in phosphoglycolate phosphatase activity.