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MAFFT alignment of partial succinate dehydrogenase gene sequences found in Didymella tanaceti (Dt) wild type (WT) and mutant isolates with WT sequences of Alternaria alternata (Aa) strain AR-SBL-4S [26] for (A) SdhB, (B,C) SdhC and (D) SdhD. Reference amino acid numbers relative to each species are located to the left of the alignments. Black boxes/coloured regions indicate the amino acid substitutions found in D. tanaceti.
