Adaptation to Phosphate Scarcity: Tips from Arabidopsis Roots

Dolores Gutiérrez-Alanís, Jonathan Odilón Ojeda-Rivera, Lenin Yong-Villalobos, Luis Cárdenas-Torres, Luis Herrera-Estrella

Research output: Contribution to journalReview articlepeer-review

59 Scopus citations


Phosphorus (P) availability is a limiting factor for plant growth and development. Root tip contact with low Pi media triggers diverse changes in the root architecture of Arabidopsis thaliana. The most conspicuous among these modifications is the inhibition of root growth, which is triggered by a shift from an indeterminate to a determinate root growth program. This phenomenon takes place in the root tip and involves a reduction in cell elongation, a decrease in cell proliferation, and the induction of premature cell differentiation, resulting in meristem exhaustion. Here, we review recent findings in the root response of A. thaliana to low Pi availability and discuss the cellular and genetic basis of the inhibition of root growth in Pi-deprived seedlings.

Original languageEnglish
Pages (from-to)721-730
Number of pages10
JournalTrends in Plant Science
Issue number8
StatePublished - Aug 2018


  • cell elongation
  • phosphate starvation
  • root growth
  • root meristem exhaustion


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