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date: 2026-08-28T02:21:06
publisher: vivo
type: Document
label: RDF description of Equivalent genetic regulatory networks in different contexts recover contrasting spatial cell patterns that resemble those in Arabidopsis root and leaf epidermis: A dynamic model - http://orbis.uaslp.mx/vivo/individual/scopus1770

Article
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Information Content Entity
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International Journal of Developmental Biology
type: Continuant
publication venue for: Equivalent genetic regulatory networks in different contexts recover contrasting spatial cell patterns that resemble those in Arabidopsis root and leaf epidermis: A dynamic model
type: Generically Dependent Continuant
type: Thing
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type: Journal
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type: Document

Equivalent genetic regulatory networks in different contexts recover contrasting spatial cell patterns that resemble those in Arabidopsis root and leaf epidermis: A dynamic model
type: Thing
has publication venue: International Journal of Developmental Biology
date time value: article date 1771
volume: 51
related by: authorship_10579
most specific type: Article
page end: 155
related by: authorship_10582
abstract: In Arabidopsis thaliana, leaf and root epidermis hairs exhibit contrasting spatial arrangements even though the genetic networks regulating their respective cell-fate determination have very similar structures and components. We integrated available experimental data for leaf and root hair patterning in dynamic network models which may be reduced to activator-inhibitor models. This integration yielded expected results for these kinds of dynamic models, including striped and dotted cell patterns which are characteristic of root and leaf epidermis, respectively. However, these formal tools have led us to novel insights on current data and to put forward precise hypotheses which can be addressed experimentally. In particular, despite subtle differences in the root and leaf networks, these have equivalent dynamical behaviors. Our simulations also suggest that only when a biasing signal positively affects an activator in the network, the system recovers striped cellular patterns similar to those of root epidermis. We also postulate that cell shape may affect pattern stability in the root. Our results thus support the idea that in this and other cases, contrasting spatial cell patterns and other evolutionary morphogenetic novelties originate from conserved genetic network modules subject to divergent contextual traits. © UBC Press.
page start: 139
type: Information Content Entity
e iscopus: 2-s2.0-34047199476
issue: 2
freetext keyword: Activator-inhibitor; Gene network; Hair patterning Arabidopsis; article; cell communication; cell fate; cell shape; cell type; controlled study; genetic regulation; morphogenesis; nonhuman; plant epidermis; plant leaf; plant root; priority journal; root hair; Arabidopsis; Helix-Loop-Helix Motifs; Models, Biological; Plant Epidermis; Plant Leaves; Plant Roots; Signal Transduction; Arabidopsis; Arabidopsis thaliana
type: Article
doi: 10.1387/ijdb.062183mb
related by: authorship_10580
type: Document
type: Continuant
origen: scopus
type: Entity
accesstype: All Open Access, Bronze, Green
related by: authorship_10578
most specific type: Document
related by: authorship_10581
crisid: 1771
pmid: 17294365
type: Generically Dependent Continuant
estado: published