Tw. Fraser et al., ULTRASTRUCTURAL EVIDENCE OF DAMAGE TO LEAF STROMAL PROTEIN 4 HOURS AFTER TREATMENT WITH PARAQUAT, Journal of Experimental Botany, 45(277), 1994, pp. 1183-1186
An ultrastructural investigation of paraquat-treated leaf tissue of Lo
lium perenne seedlings using negative staining techniques alongside co
nventional ultrathin sectioning methods revealed extensive damage to t
he Rubisco molecules after only 4 h in light. The early involvement of
hydroxyl radicals in chloroplast stroma destruction is discussed.