Journal
NATURE PLANTS
Volume 5, Issue 4, Pages 352-357Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41477-019-0394-z
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Funding
- National Science Foundation [IOS-1238202, IOS-1755141]
- European Molecular Biology Organization
- Vietnam National Foundation for Science and Technology Development [106-NN.01-2014.48]
- Max Planck Society
- Dupont Pioneer
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Meristem fate is regulated by trehalose 6-phosphate phosphatases (TPPs), but their mechanism of action remains mysterious. Loss of the maize TPPs RAMOSA3 and TPP4 leads to reduced meristem determinacy and more inflorescence branching. However, analysis of an allelic series revealed no correlation between enzymatic activity and branching, and a catalytically inactive version of RA3 complements the ra3 mutant. Together with their nuclear localization, these findings suggest a moonlighting function for TPPs.
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