Is the leaf bundle sheath a "smart flux valve" for K+ nutrition?

Noa Wigoda, Menachem Moshelion, Nava Moran*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Evidence has started to accumulate that the bundle sheath regulates the passage of water, minerals and metabolites between the mesophyll and the conducting vessels of xylem and phloem within the leaf veins which it envelops. Although potassium (K+) nutrition has been studied for several decades, and much is known about the uptake and recirculation of K+ within the plant, the potential regulatory role of bundle sheath with regard to K+ fluxes has just begun to be addressed. Here we have collected some facts and ideas about these processes.

Original languageAmerican English
Pages (from-to)715-722
Number of pages8
JournalJournal of Plant Physiology
Volume171
Issue number9
DOIs
StatePublished - 15 May 2014

Bibliographical note

Funding Information:
Work in the lab of NM is supported by the Israel Science Foundation Jerusalem (ISF, Grant # 1312/12 ).

Keywords

  • Apoplasmic
  • Barrier
  • Bundle sheath
  • Plasmodesmata
  • Potassium transporter

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