Plant and human neutrophil oxidative burst complexes contain immunologically related proteins

Comparative Biochemistry of the Oxidative Burst Produced by Rose and French Bean Cells Reveals Two Distinct Mechanisms1

“…DPI inhibits peroxidase-mediated generation of H 2 O 2 , as well as NAD(P)H-oxidase-mediated generation of superoxide, an observation also made by Deme et al (1994) and Dwyer et al (1996). Thus, a careful study of the concentration dependence of inhibition by DPI is needed if such inhibition is to be used to distinguish peroxidase-and flavoprotein-mediated synthesis of H 2 O 2 .…”

Auxin‐induced reactive oxygen species production requires the activation of phosphatidylinositol 3‐kinase

“…It is likely that plant and mammalian NADPH oxidases are similar both structurally and functionally. Diphenylene iodonium (DPI), an inhibitor of mammalian NADPH oxidase, inhibits ROS generation in response to pathogen infection in soybean cells [30]. Plants, however, may have specific mechanisms for assembling and activating the NADHP oxidase complexes.…”

Resistance gene-dependent plant defense responses.

“…The activity of this complex is regulated by the state of phosphorylation of cytoplasmic p47 and p67 proteins and the GTP-or GDP-bound state of the rac2 G-protein. Antibodies to various mammalian NADPH oxidase components cross-react with proteins of similar size found in plant cell cultures (Dwyer et al, 1995;Tenhaken et al, 1995;Desikan et al, 1996). Moreover, a rice gene with high sequence homology to the gp91Phox membrane component has been isolated (Groom et al, 1996).…”