Legume NADPH Oxidases Have Crucial Roles at Different Stages of Nodulation
AbstractPlant NADPH oxidases, formerly known as respiratory burst oxidase homologues (RBOHs), are plasma membrane enzymes dedicated to reactive oxygen species (ROS) production. These oxidases are implicated in a wide variety of processes, ranging from tissue and organ growth and development to signaling pathways in response to abiotic and biotic stimuli. Research on the roles of RBOHs in the plant’s response to biotic stresses has mainly focused on plant-pathogen interactions; nonetheless, recent findings have shown that these oxidases are also involved in the legume-rhizobia symbiosis. The legume-rhizobia symbiosis leads to the formation of the root nodule, where rhizobia reduce atmospheric nitrogen to ammonia. A complex signaling and developmental pathway in the legume root hair and root facilitate rhizobial entrance and nodule organogenesis, respectively. Interestingly, several reports demonstrate that RBOH-mediated ROS production displays versatile roles at different stages of nodulation. The evidence collected to date indicates that ROS act as signaling molecules that regulate rhizobial invasion and also function in nodule senescence. This review summarizes discoveries that support the key and versatile roles of various RBOH members in the legume-rhizobia symbiosis. View Full-Text
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Montiel, J.; Arthikala, M.-K.; Cárdenas, L.; Quinto, C. Legume NADPH Oxidases Have Crucial Roles at Different Stages of Nodulation. Int. J. Mol. Sci. 2016, 17, 680.
Montiel J, Arthikala M-K, Cárdenas L, Quinto C. Legume NADPH Oxidases Have Crucial Roles at Different Stages of Nodulation. International Journal of Molecular Sciences. 2016; 17(5):680.Chicago/Turabian Style
Montiel, Jesús; Arthikala, Manoj-Kumar; Cárdenas, Luis; Quinto, Carmen. 2016. "Legume NADPH Oxidases Have Crucial Roles at Different Stages of Nodulation." Int. J. Mol. Sci. 17, no. 5: 680.
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