AUTHOR=Wang Jun-Li , Di Dong-Wei , Luo Pan , Zhang Li , Li Xiao-Feng , Guo Guang-Qin , Wu Lei 

TITLE=The roles of epigenetic modifications in the regulation of auxin biosynthesis

JOURNAL=Frontiers in Plant Science

VOLUME=13

YEAR=2022

URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2022.959053

DOI=10.3389/fpls.2022.959053

ISSN=1664-462X

ABSTRACT=<p>Auxin is one of the most important plant growth regulators of plant morphogenesis and response to environmental stimuli. Although the biosynthesis pathway of auxin has been elucidated, the mechanisms regulating auxin biosynthesis remain poorly understood. The transcription of auxin biosynthetic genes is precisely regulated by complex signaling pathways. When the genes are expressed, epigenetic modifications guide <italic>mRNA</italic> synthesis and therefore determine protein production. Recent studies have shown that different epigenetic factors affect the transcription of auxin biosynthetic genes. In this review, we focus our attention on the molecular mechanisms through which epigenetic modifications regulate auxin biosynthesis.</p>