Cauliflower fractal forms arise from perturbations of floral gene networks | Zendy

Eugenio Azpeitia | Zendy; Gabrielle Tichtinsky | Zendy; Marie Le Masson | Zendy; Antonio Serrano-Mislata | Zendy; Jérémy Lucas | Zendy; Veronica Gregis | Zendy; Carlos Giménez | Zendy; Nathanaël Prunet | Zendy; Etienne Farcot | Zendy; Martin M. Kater | Zendy; Desmond Bradley | Zendy; Francisco Madueño | Zendy; Christophe Godin | Zendy; François Parcy | Zendy

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Cauliflower fractal forms arise from perturbations of floral gene networks

Author(s) -

Eugenio Azpeitia,

Gabrielle Tichtinsky,

Marie Le Masson,

Antonio Serrano-Mislata,

Jérémy Lucas,

Veronica Gregis,

Carlos Giménez,

Nathanaël Prunet,

Etienne Farcot,

Martin M. Kater,

Desmond Bradley,

Francisco Madueño,

Christophe Godin,

François Parcy

Publication year - 2021

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.abg5999

Subject(s) - meristem , biology , fractal , whorl (mollusc) , arabidopsis thaliana , evolutionary biology , botany , mutant , gene , genetics , shoot , mathematics , genus , mathematical analysis

Vegetal fractals Cauliflower, along with dahlias and daisies, develop as phyllotactic spirals. Azpeitiaet al . combined modeling with experimental investigation to clarify the gene-regulatory network that sets up a multitude of undeveloped flowers to form a cauliflower curd. Irrepressible inflorescence identity genes in the context of dysfunctional meristems and slow internode elongation results in piles of incomplete flowers. If meristem size drifts during organogenesis, then the conical structures of the Romanesco form emerge in fractal formation. —PJH

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