Auxin biology in bryophyta: A simple platform with versatile functions

Hidemasa Suzuki, Takayuki Kohchi, Ryuichi Nishihama

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Bryophytes, including liverworts, mosses, and hornworts, are gametophyte-dominant land plants that are derived from a common ancestor and underwent independent evolution from the sporophyte-dominant vascular plants since their divergence. The plant hormone auxin has been shown to play pleiotropic roles in the haploid bodies of bryophytes. Pharmacological and chemical studies identified conserved auxin molecules, their inactivated forms, and auxin transport in bryophyte tissues. Recent genomic and molecular biological studies show deep conservation of components and their functions in auxin biosynthesis, inactivation, transport, and signaling in land plants. Low genetic redundancy in model bryophytes enable unique assays, which are elucidating the design principles of the auxin signaling pathway. In this article, the physiological roles of auxin and regulatory mechanisms of gene expression and development by auxin in Bryophyta are reviewed.

Original languageEnglish
Article numbera040055
Pages (from-to)1-22
Number of pages22
JournalCold Spring Harbor Perspectives in Biology
Issue number3
Publication statusPublished - 2021 Mar
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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