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https://doi.org/10.1007/s00425-002-0824-3

has been cited by the following article:

• TITLE: Diurnal Periodicity of the Expression of Genes Involved in Monolignol Biosynthesis in Differentiating Xylem of Cryptomeria japonica

  AUTHORS: Saori Sato, Masato Yoshida, Yousuke Ashizaki, Hiroyuki Yamamoto

  KEYWORDS: Cryptomeria japonica, Diurnal Periodicity, Monolignol, Secondary Wall, Tracheid

  JOURNAL NAME: American Journal of Plant Sciences, Vol.7 No.17, December 13, 2016

  ABSTRACT: The cell wall in wood is mainly composed of three components: cellulose, hemicellulose and lignin. According to electron microscopy observations of the innermost surface of cell walls in the tracheids of Cryptomeria japonica , cellulose microfibrils are deposited during the day and a matrix containing hemicellulose is deposited at night. This indicates that the deposition of cell wall components exhibits diurnal periodicity. To gain new insights into the diurnal periodicity of lignin deposition not revealed by microscopic observations, we examined diurnal fluctuations in the expression of genes involved in monolignol biosynthesis in C. japonica saplings grown in the field and in growth chambers under a 12 h light/dark cycle. In the field experiment, two gene expression peaks were observed daily, at dusk and dawn. In the growth chamber experiment, two daily peaks were observed 0 h and 6 - 9 h after the light switched on.