Impacts of autophagy on nitrogen use efficiency in plants

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4 Citations (Scopus)

Abstract

Crop productivity greatly depends on nitrogen (N) fertilization. Large inputs of N fertilizer impact on both the farmer and the environment. Accordingly, improving N use efficiency (NUE) for crop productivity is important for sustainable agriculture. Much plant nitrogen is allocated into the chloroplasts in leaves to constitute proteins involved in photosynthesis, and remobilization of N from senescent leaves greatly affects crop productivity. Autophagy, a highly conserved system used to degrade intracellular components in eukaryotes, is responsible for degrading chloroplasts and their proteins during leaf senescence. In this paper, we review recent studies establishing that autophagy is a key for maintaining high NUE during vegetative growth and for efficiently remobilizing N to grains.

Original languageEnglish
Pages (from-to)100-105
Number of pages6
JournalSoil Science and Plant Nutrition
Volume64
Issue number1
DOIs
Publication statusPublished - 2018 Jan 2

Keywords

  • Autophagy-related gene
  • chloroplast
  • leaf senescence
  • nitrogen remobilization
  • protein degradation

ASJC Scopus subject areas

  • Soil Science
  • Plant Science

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