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. 2010 Oct;154(2):444-8.
doi: 10.1104/pp.110.161273.

Emerging complexity in reactive oxygen species production and signaling during the response of plants to pathogens

Tamara Vellosillo  1 , Jorge Vicente, Satish Kulasekaran, Mats Hamberg, Carmen Castresana
Affiliations

Emerging complexity in reactive oxygen species production and signaling during the response of plants to pathogens

Tamara Vellosillo et al. Plant Physiol. 2010 Oct.
No abstract available

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Figures

Figure 1.
Figure 1.
Production of ROS in plant defense. A, Generation of distinct ROS during oxidative burst. B, Tight regulation of ROS production at different cellular compartments and cell types is critical for plant survival. C, Callose accumulation after production of 1O2, O2−H2O2, and specific 1O2-derived hydroxy fatty acids. Aniline blue staining in Arabidopsis leaves of 4-week-old plants (square-shaped sections) and in roots of in vitro-grown seedlings (rectangular sections). Leaves were infiltrated with Rose Bengal (1 μm as 1O2 producer), xanthine-xanthine oxidase (2 mm-0.1 units per mL as extracellular O2− generator), H2O2 (1 mm), 12-HOD (25 μm), 10-HOD (25 μm), and 10-HOT (25 μm). Roots are from 8-d-old seedlings grown in Murashige and Skoog medium and covered with a solution of the ROS inducers xanthine-xanthine oxidase and H2O2, at the above concentrations, or germinated 4 d in Murashige and Skoog medium and then transferred to a fresh medium containing Rose Bengal (100 nm), or 12-HOD, 10-HOD, and 10-HOT (10 μm). Representative examples of 24 h treated tissues are shown in all cases. Scale bars = 50 μm.
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