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

Shinsaku Ito, Tomoko Nozoye, Eriko Sasaki, Misaki Imai, Yuh Shiwa, Mari Shibata-Hatta, Taichiro Ishige, Kosuke Fukui, Ken Ito, Hiromi Nakanishi, Naoko K. Nishizawa, Shunsuke Yajima, Tadao Asami

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Abstract

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.

Original languageEnglish
Article numbere0119724
JournalPloS one
Volume10
Issue number3
DOIs
Publication statusPublished - Mar 20 2015

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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    Ito, S., Nozoye, T., Sasaki, E., Imai, M., Shiwa, Y., Shibata-Hatta, M., Ishige, T., Fukui, K., Ito, K., Nakanishi, H., Nishizawa, N. K., Yajima, S., & Asami, T. (2015). Strigolactone regulates anthocyanin accumulation, acid phosphatases production and plant growth under low phosphate condition in Arabidopsis. PloS one, 10(3), [e0119724]. https://doi.org/10.1371/journal.pone.0119724