Stem-borne roots as a framework to study trans-organogenesis and uncover fundamental insights in developmental biology

Plants have a remarkable ability to generate organs with a different identity to the parent organ, called ‘trans-organogenesis’. An example of trans-organogenesis is the formation of roots from stems (a type of adventitious root), which is the first type of root that arose during plant evolution. De...

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Bibliographic Details
Published in:Current opinion in plant biology 2024-10, Vol.81, p.102604, Article 102604
Main Authors: Rasmussen, Amanda, Vidoz, Maria Laura, Sparks, Erin E.
Format: Article
Language:English
Subjects:
Biological Evolution
Developmental Biology
Organogenesis, Plant
Plant Development
Plant Roots - growth & development
Plant Stems - growth & development
Plants - metabolism
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Summary:Plants have a remarkable ability to generate organs with a different identity to the parent organ, called ‘trans-organogenesis’. An example of trans-organogenesis is the formation of roots from stems (a type of adventitious root), which is the first type of root that arose during plant evolution. Despite being ancestral, stem-borne roots are often contextualised through lateral root research, implying that lateral roots precede adventitious roots. In this review we challenge that idea, highlight what is known about stem-borne root development across the plant kingdom, the remarkable diversity in form and function, and the many remaining evolutionary questions. Exploring stem-borne root evolutionary development can enhance our understanding of developmental decision making and the processes by which cells acquire their fates.
ISSN:1369-5266
1879-0356
1879-0356
DOI:10.1016/j.pbi.2024.102604