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Article

KNAT7 positively regulates xylan biosynthesis by directly activating IRX9 expression in Arabidopsis.

Journal of integrative plant biology - 1 Jun 2018

He Jun-Bo, Zhao Xian-Hai, Du Ping-Zhou, Zeng Wei, Beahan Cherie T, Wang Yu-Qi, Li Hui-Ling, Bacic Antony, Wu Ai-Min

Abstract excerpt

Xylan is the major plant hemicellulosic polysaccharide in the secondary cell wall. The transcription factor KNOTTED-LIKE HOMEOBOX OF ARABIDOPSIS THALIANA 7 (KNAT7) regulates secondary cell wall biosynthesis, but its exact role in regulating xylan biosynthesis remains unclear. Using transactivation analyses, we demonstrate that KNAT7 activates the promoters of the xylan biosynthetic genes, IRREGULAR XYLEM 9...

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PMID: 29393579
DOI: 10.1111/jipb.12638

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