This conclusion was further supported by Western blot analysis showing that induced accumulation of PR-1 protein after bacterial infection was similar in scs9 and Col-0 plants at 24 h.p.i.; both genotypes showing higher accumulation of the protein at 48 and 72 h.p.i. with only a marginal difference in PR-1 protein accumulation observed in the mutant (Fig 2H and S1 Table). This evidence concerns the gene TMEM37 and bacterial infectious disease.