AGL15 Promotion of Somatic Embryogenesis: Role and Molecular Mechanism

Sanjay Joshi, Priyanka Paul, Jeanne M. Hartman, Sharyn E. Perry

Research output: Contribution to journalReview articlepeer-review

Abstract

Plants have amazing regenerative properties with single somatic cells, or groups of cells able to give rise to fully formed plants. One means of regeneration is somatic embryogenesis, by which an embryonic structure is formed that “converts” into a plantlet. Somatic embryogenesis has been used as a model for zygotic processes that are buried within layers of maternal tissues. Understanding mechanisms of somatic embryo induction and development are important as a more accessible model for seed development. We rely on seed development not only for most of our caloric intake, but also as a delivery system for engineered crops to meet agricultural challenges. Regeneration of transformed cells is needed for this applied work as well as basic research to understand gene function. Here we focus on a MADS-domain transcription factor, AGAMOUS-Like15 (AGL15) that shows a positive correlation between accumulation levels and capacity for somatic embryogenesis. We relate AGL15 function to other transcription factors, hormones, and epigenetic modifiers involved in somatic embryo development.

Original languageEnglish
Article number861556
JournalFrontiers in Plant Science
Volume13
DOIs
StatePublished - Mar 28 2022

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation (grant no. IOS-1656380 to SP) and by the National Institute of Food and Agriculture, U.S. Department of Agriculture, Hatch project (SP) under accession number 1013409.

Publisher Copyright:
Copyright © 2022 Joshi, Paul, Hartman and Perry.

Keywords

  • Arabidopsis thaliana
  • chromatin immunoprecipitation
  • MADS-box
  • regeneration
  • somatic embryo
  • transcription factor
  • transcriptome

ASJC Scopus subject areas

  • Plant Science

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