Author

Marina Ortega-Perez

Max Planck Institute for Biology

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Plant Biology· 1

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Organism:Arabidopsis· 1 Research Focus:development & morphogenesis· 1 Approach:experimental assay· 1 Assay:proteomics· 1

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Alexa‐Maria WangleriD· 1 shared Daniel SlaneiD· 1 shared Gerd Juergens· 1 shared Helen Schaefer· 1 shared Houming CheniD· 1 shared Kai WangiD· 1 shared Laura RagniiD· 1 shared Lisa Yasmin Asseck· 1 shared

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Alexa‐Maria WanglerORCID

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1 paper

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Plant BiologybioRxivPreprintAug 11, 2026

Before auxin distribution matters: Prepatterning of the Arabidopsis embryo axis by MPK6-dependent AUX/IAA8 phosphorylation

Torren Bischoff, Marina Ortega-Perez, Alexa‐Maria Wangler…·Martin J. Bayer

The paper shows that auxin distribution is not required for initial embryonic patterning in Arabidopsis, as differential phosphorylation of AUX/IAA8 by MPK6 sets up the apical-basal axis.

DOI 10.64898/2026.08.09.743751

Arabidopsisproteomics

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