Local auxin biosynthesis regulation by PLETHORA transcription factors controls phyllotaxis in Arabidopsis

Pinon, Violaine, Prasad, Kalika, Grigg, Stephen P., Sanchez-Perez, Gabino F. and Scheres, Ben ORCID: https://orcid.org/0000-0001-5400-9578 2013. Local auxin biosynthesis regulation by PLETHORA transcription factors controls phyllotaxis in Arabidopsis. Proceedings of the National Academy of Sciences of the United States of America 110 (3) , pp. 1107-1112. 10.1073/pnas.1213497110

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Abstract

Lateral organ distribution at the shoot apical meristem defines specific and robust phyllotaxis patterns that have intrigued biologists and mathematicians for centuries. In silico studies have revealed that this self-organizing process can be recapitulated by modeling the polar transport of the phytohormone auxin. Phyllotactic patterns change between species and developmental stages, but the processes behind these variations have remained unknown. Here we use regional complementation experiments to reveal that phyllotactic switches in Arabidopsis shoots can be mediated by PLETHORA-dependent control of local auxin biosynthesis.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > QH Natural history > QH301 Biology
Uncontrolled Keywords:	pattern formation; plant
Publisher:	National Academy of Sciences
ISSN:	0027-8424
Last Modified:	25 Oct 2022 08:14
URI:	https://orca.cardiff.ac.uk/id/eprint/51917

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