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. 2019 Nov 27;24(23):4338. doi: 10.3390/molecules24234338

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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PpNAC187 increase the lignin content in the stem of transgenic tobacco plant. (a) The relative expression level of PpNAC187 in transgenic tobacco. (b) Phenotype of empty vector and PpNAC187-overexpressing (PpNAC187-ox) transgenic tobacco lines. (c) Transverse sections of stem were stained with phloroglucinol–HCl for detection of lignin. (d) Lignin content in transgenic tobacco stem tissues. (e) Autofluorescence of the stem transverse slice. Bright: bright field images, Blue: blue autofluorescence. #1 and #3 means two independent PpNAC187 transgenic lines. Significant differences between the empty vector and PpNAC187-ox plants are indicated (**, p < 0.01; two-tailed t-test).