Effect of light on peroxidase and lignin synthesis in mungbean hypocotyls

Yun An Chen, Jyh Wei Shin, Zin Huang Liu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Two days of light irradiance reduced the growth of mungbean hypocotyls as well as the levels of endogenous indole-3-acetic acid (IAA). In hypocotyls, both peroxidase and laccase activities were enhanced by light. The lignin content in mungbean hypocotyls was enhanced twofold by light. The inhibition of mungbean hypocotyl growth caused by light might be due to the decline of endogenous IAA, which could be degraded by a cationic peroxidase. The higher levels of lignin were correlated with the increased anionic peroxidase activity in light-treated tissues.

Original languageEnglish
Pages (from-to)33-39
Number of pages7
JournalPlant Physiology and Biochemistry
Volume40
Issue number1
DOIs
Publication statusPublished - 2002 Jan 1

All Science Journal Classification (ASJC) codes

  • Physiology
  • Genetics
  • Plant Science

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