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A genetic access to plant cell axis formation.
Planta 264:114 (2026)
The formation of a functional body pattern by plant cells became the
subject of large-scale genetic approaches in the early 1990s. Various
concepts, which either excluded or included plant hormones, were debated
for several years before the focus shifted to partly self-regulatory
mechanisms that could involve polar auxin flow in both cellular and
organismal axis formation. A publication by Przemeck et al. contributed
to this shift by explaining the embryo patterning function of the gene MONOPTEROS (MP)
as part of a more general role in promoting cellular axis formation.
Directional auxin flow was considered as a mechanism for aligning cell
axialization along the apical-basal body axis and the MP gene was later found to encode a member of the Auxin Response Factor (ARF)
family. The subsequent molecular elucidation of the signal transduction
and transport mechanisms for auxin and other hormones made it possible
to track hormone signalling much more precisely and, in many cases, to
integrate hormone signals into models of plant pattern formation.
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Publication type
Article: Journal article
Document type
Review
Keywords
Auxin ; Plant Hormone ; Arabidopsis ; Plant Cell ; Hormone ; Function (biology) ; Mechanism (biology) ; Signal Transduction ; Gene
ISSN (print) / ISBN
0032-0935
e-ISSN
1432-2048
Journal
Planta
Quellenangaben
Volume: 264,
Issue: 4,
Article Number: 114
Publisher
Springer
Reviewing status
Peer reviewed
Institute(s)
Institute of Experimental Genetics (IEG)