Node-controlled allocation of mineral elements in Poaceae

Research output: Contribution to journalReview article

14 Citations (Scopus)

Abstract

Mineral elements taken up by the roots will be delivered to different organs and tissues depending on their requirements. In Poaceae, this selective distribution is mainly mediated in the nodes, which have highly developed and fully organized vascular systems. Inter-vascular transfer of mineral elements from enlarged vascular bundles to diffuse vascular bundles is required for their preferential distribution to developing tissues and reproductive organs. A number of transporters involved in this inter-vascular transfer processes have been identified mainly in rice. They are localized at the different cell layers and form an efficient machinery within the node. Furthermore, some these transporters show rapid response to the environmental changes of mineral elements at the protein level. In addition to the node-based transporters, distinct nodal structures including enlarged xylem area, folded plasma membrane of xylem transfer cells and presence of an apoplastic barrier are also required for the efficient inter-vascular transfer. Manipulation of node-based transporters will provide a novel breeding target to improve nutrient use efficiency, productivity, nutritional value and safety in cereal crops.

Original languageEnglish
Pages (from-to)18-24
Number of pages7
JournalCurrent Opinion in Plant Biology
Volume39
DOIs
Publication statusPublished - Oct 1 2017

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Poaceae
transporters
blood vessels
minerals
vascular bundles
xylem
plant vascular system
nutrient use efficiency
grain crops
plasma membrane
nutritive value
cells
rice
breeding
proteins
tissues

ASJC Scopus subject areas

  • Plant Science

Cite this

Node-controlled allocation of mineral elements in Poaceae. / Yamaji, Naoki; Ma, Jian Feng.

In: Current Opinion in Plant Biology, Vol. 39, 01.10.2017, p. 18-24.

Research output: Contribution to journalReview article

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