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Relative expression level of nodule-function related genes in nodules of lpa1 (green) and BAT 93 (blue) R. etli inoculated plants, grown under control conditions. The genes functional categories are: carbon metabolism (C), nitrogen metabolism (N), redox status (Rx) and transport (Tr). Bars represent ± SD. Relative expression for each sample was calculated using the comparative threshold cycle (Ct) and the SUMO-conjugating enzyme UBC9 gene was used for normalization.
