New insights into light spectral quality inhibits the plasticity elongation of maize mesocotyl and coleoptile during seed germination.

ABSTRACT: The plastic elongation of mesocotyl (MES) and coleoptile (COL), which can be repressed by light exposure, plays a vital role in maize seedling emergence and establishment under adverse environmental conditions. Understanding the molecular mechanisms of light-mediated repression of MES and COL elongation in maize will allow us to develop new strategies for genetic improvement of these two crucial traits in maize. A maize variety, Zheng58, was used to monitor the transcriptome and physiological changes in MES and COL in response to darkness, as well as red, blue, and white light. The elongation of MES and COL was significantly inhibited by light spectral quality in this order: blue light > red light > white light. Physiological analyses revealed that light-mediated inhibition of maize MES an

SUBMITTER: Zhao X 

PROVIDER: S-EPMC10050570 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature