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. 2012 May 28;63(12):4375–4387. doi: 10.1093/jxb/ers116

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© The Author 2012. Published by Oxford University Press. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0/uk/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details)

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Fig. 3. — Haemoglobin effects onsalicylic acid (SA) accumulation and ethylene production elicited by Pseudomonas syringae pv. tomato. (A) SA accumulation at 48 h post inoculation of Arabidopsis Col-0, the haemoglobin (Hb) GLB1 RNAi-suppressed Arabidopsis line glb1, and the GLB1 overexpression line 35S-GLB1, inoculated with P. syringae pv. tomato DC3000 avrRpm1 (Pst avrRpm1) or mock inoculated with 10 mM MgCl₂. Results are mean ± SE (n = 6). Statistical comparisons were made between inoculated Col-0 and glb1 or 35S-GLB1 plants and also between mock-inoculated and glb1 or 35S-GLB1 plants. Levels of significant difference are indicated: NS = no significant difference; * P < 0.05, ** P <0.01 and *** P < 0.001. (B and C) Ethylene productionwasdetermined using laser photoacoustic detection with Arabidopsis Col-0and either glb1 (B) or 35S-GLB1 (C) following inoculation with Pst avrRpm1 or mock inoculation with 10 mM MgCl₂.