The Making of Plant Armor : The Periderm

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Serra , O , Mähönen , A P , Hetherington , A J & Ragni , L 2022 , ' The Making of Plant Armor : The Periderm ' , Annual Review of Plant Biology , vol. 73 , pp. 405-432 . https://doi.org/10.1146/annurev-arplant-102720-031405

Title: The Making of Plant Armor : The Periderm
Author: Serra, Olga; Mähönen, Ari Pekka; Hetherington, Alexander J.; Ragni, Laura
Contributor organization: Helsinki Institute of Life Science HiLIFE
Organismal and Evolutionary Biology Research Programme
Viikki Plant Science Centre (ViPS)
Plant Biology
Biosciences
Institute of Biotechnology
University of Helsinki
Faculty of Biological and Environmental Sciences
Date: 2022
Language: eng
Number of pages: 28
Belongs to series: Annual Review of Plant Biology
ISSN: 1543-5008
DOI: https://doi.org/10.1146/annurev-arplant-102720-031405
URI: http://hdl.handle.net/10138/345849
Abstract: The periderm acts as armor protecting the plant's inner tissues from biotic and abiotic stress. It forms during the radial thickening of plant organs such as stems and roots and replaces the function of primary protective tissues such as the epidermis and the endodermis. A wound periderm also forms to heal and protect injured tissues. The periderm comprises a meristematic tissue called the phellogen, or cork cambium, and its derivatives: the lignosuberized phellem and the phelloderm. Research on the periderm hasmainly focused on the chemical composition of the phellem due to its relevance as a raw material for industrial processes. Today, there is increasing interest in the regulatory network underlying periderm development as a novel breeding trait to improve plant resilience and to sequester CO2. Here, we discuss our current understanding of periderm formation, focusing on aspects of periderm evolution, mechanisms of periderm ontogenesis, regulatory networks underlying phellogen initiation and cork differentiation, and future challenges of periderm research.
Subject: SOLANUM-TUBEROSUM L.
CORK QUERCUS-SUBER
WOUND PERIDERM
SECONDARY GROWTH
ABSCISIC-ACID
NECROPHYLACTIC PERIDERM
CHEMICAL-COMPOSITION
REPRODUCTION CORK
VASCULAR CAMBIUM
POTATO PERIDERM
11831 Plant biology
Peer reviewed: Yes
Usage restriction: openAccess
Self-archived version: acceptedVersion


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