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. 2016 Jan 8;6:1228. doi: 10.3389/fpls.2015.01228

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Copyright © 2016 Teng, Chen and Xiao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Betalain pigment analysis and expression levels of AcCATPO in different colored leaf sectors of Amaranthus tricolor. (A) Images depicting different colored leaf sectors of A. tricolor. (B) Images depicting the betalain pigments from green sectors and red sectors. (C) Betalain pigment analysis of green sectors and red sectors. (D) Expression levels of AcCATPO in green sectors and red sectors analyzed by qRT-PCR. These levels were depicted as expression ratios relative to ACT. Three independent experiments were performed, each with three technical replicates. Values are means ± SD (n = 3) from one representative experiment. Asterisk indicates significant difference relative to expression levels of AcCATPO in green sectors (Student's t-test, ^**P < 0.01).