Carbon and nitrogen sensing and signaling in plants

Emerging 'matrix effects'

Research output: Contribution to journalArticle

Abstract

Plants, like other organisms, have developed mechanisms that allow them to sense and respond to changes in levels of carbon and nitrogen metabolites. These mechanisms, in turn, regulate the expression of genes and the activities of proteins involved in C and N transport and metabolism, allowing plants to optimize the use of energy resources. Recent studies, which have involved molecular-genetic, genomic, and cell biological approaches, have begun to uncover the signals and components of C:N sensing and signaling mechanisms in plants. For sugar sensing, analysis of Arabidopsis mutants has revealed intersections with hormone and nitrogen signaling. For nitrogen sensing/signaling, recent progress has identified transcriptional and posttranslational mechanisms of regulation. In all, a complex picture is emerging in which C:N signaling systems are subject to a 'matrix effect' in which downstream responses are dependent upon cell-type, developmental, metabolic, and/or environmental conditions.

Original languageEnglish (US)
Pages (from-to)247-253
Number of pages7
JournalCurrent Opinion in Plant Biology
Volume4
Issue number3
DOIs
StatePublished - 2001

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carbon
nitrogen
energy resources
molecular genetics
hormones
Arabidopsis
cells
metabolites
sugars
genomics
gene expression
mutants
environmental factors
metabolism
organisms
proteins

ASJC Scopus subject areas

  • Plant Science

Cite this

Carbon and nitrogen sensing and signaling in plants : Emerging 'matrix effects'. / Coruzzi, Gloria M.; Zhou, Li.

In: Current Opinion in Plant Biology, Vol. 4, No. 3, 2001, p. 247-253.

Research output: Contribution to journalArticle

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