Strigolactone regulates anthocyanin accumulation, acid phosphatases production and plant growth under low phosphate condition in Arabidopsis

Phosphate is an essential macronutrient in plant growth and development; however, the concentration of inorganic phosphate (Pi) in soil is often suboptimal for crop performance. Accordingly, plants have developed physiological strategies to adapt to low Pi availability. Here, we report that typical...

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Published inPloS one Vol. 10; no. 3; p. e0119724
Main Authors Ito, Shinsaku, Nozoye, Tomoko, Sasaki, Eriko, Imai, Misaki, Shiwa, Yuh, Shibata-Hatta, Mari, Ishige, Taichiro, Fukui, Kosuke, Ito, Ken, Nakanishi, Hiromi, Nishizawa, Naoko K, Yajima, Shunsuke, Asami, Tadao
Format Journal Article
LanguageEnglish
Published United States Public Library of Science 20.03.2015
Public Library of Science (PLoS)
Subjects
Accumulation
Acid phosphatase
Acid Phosphatase - metabolism
Acids
Agriculture
Anthocyanins - metabolism
Arabidopsis
Arabidopsis - physiology
Arabidopsis thaliana
Biosynthesis
Carotenoids
Elongation
Enzymes
Flowers & plants
Gene expression
Gene Expression Regulation, Plant
Genes
Genomes
Lactones - metabolism
Life sciences
Metals - metabolism
Phosphatase
Phosphatases
Phosphate starvation response
Phosphates
Phosphates - metabolism
Physiological aspects
Plant growth
Plant Roots
Rice
Signal transduction
Signaling
Starvation
Transcription factors
Weight reduction
Japan
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Summary:Phosphate is an essential macronutrient in plant growth and development; however, the concentration of inorganic phosphate (Pi) in soil is often suboptimal for crop performance. Accordingly, plants have developed physiological strategies to adapt to low Pi availability. Here, we report that typical Pi starvation responses in Arabidopsis are partially dependent on the strigolactone (SL) signaling pathway. SL treatment induced root hair elongation, anthocyanin accumulation, activation of acid phosphatase, and reduced plant weight, which are characteristic responses to phosphate starvation. Furthermore, the expression profile of SL-response genes correlated with the expression of genes induced by Pi starvation. These results suggest a potential overlap between SL signaling and Pi starvation signaling pathways in plants.
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Competing Interests: The authors have declared that no competing interests exist.
Conceived and designed the experiments: SI TA. Performed the experiments: SI TN ES MI YS MSH TI KF KI. Analyzed the data: SI TN ES HN NKN SY. Contributed reagents/materials/analysis tools: KF. Wrote the paper: SI TN TA.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0119724