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. 2019 Mar 1;6:36. doi: 10.1038/s41438-019-0117-7

Fig. 6. Effects of EGTA treatment on key genes related to mechanical strength and a proposed pathway for EGTA-mediated reduction of mechanical strength of P. lactiflora inflorescence stems.

Fig. 6

a Heat maps of the expression of 23 genes involved in Ca signal transduction and secondary cell wall biosynthesis at four developmental stages. PM, plasma membrane; SCW, secondary cell wall; PCW, primary cell wall; ML, middle lamella. b Proposed pathway for EGTA-mediated weakness of the mechanical strength of Paeonia lactiflora inflorescence stems. ML, middle lamella; PCW, primary cell wall; PM, plasma membrane; SCW, secondary cell wall; S1, flower-bud stage; S2, pigmented stage; S3, unfold-petal stage; S4, full-flowering stage