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. 2020 Sep 1;7:139. doi: 10.1038/s41438-020-00360-7

Fig. 6. Juice sac granulation can be affected by ABA and IAA treatments through the regulation of CgMYB58 and its targets in pummelo fruits.

Fig. 6

a Juice sacs of KP, HB, and HR pummelo fruits at 145 DPA were treated with phytohormones at 0 mM, 0.5 mM IAA, or 0.5 mM ABA, and were imaged at 0 and 50 days after treatment (DAT). b HR juice sacs were granulated in the 0 mM treatment at 50 DAT (highlighted by the white arrowhead) and granulation was not observed in the 0.5 IAA treatment but was increased in the 0.5 mM ABA treatment (highlighted by a dotted circle). KP and HB, used as controls, did not show granulation in any treatment. c Lignin content in juice sacs at 50 DAT. d Relative expression level of CgMYB58 in juice sacs at 50 DAT. e Relative expression of lignin biosynthetic genes as revealed by qRT-PCR. The lowercase letters above the columns indicate significant differences. The data in (c) and (d), and the data for HR in (e) were analyzed by Duncan’s multiple comparison test (P < 0.05). The data for KP and HB (e) were analyzed according to a t-test (P < 0.05). IAA, indole-3-acetic acid. ABA, abscisic acid