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Curr Opin Plant Biol. 2015 Oct;27:77-83. doi: 10.1016/j.pbi.2015.06.018. Epub 2015 Jul 17.

Transcriptional networks in leaf senescence.

Author information

1
Institute of Biology I, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany. Electronic address: schippers@bio1.rwth-aachen.de.

Abstract

Plant senescence is a natural phenomenon known for the appearance of beautiful autumn colors and the ripening of cereals in the field. Senescence is a controlled process that plants utilize to remobilize nutrients from source leaves to developing tissues. While during the past decades, molecular components underlying the onset of senescence have been intensively studied, knowledge remains scarce on the age-dependent mechanisms that control the onset of senescence. Recent advances have uncovered transcriptional networks regulating the competence to senesce. Here, gene regulatory networks acting as internal timing mechanisms for the onset of senescence are highlighted, illustrating that early and late leaf developmental phases are highly connected.

PMID:
26190740
DOI:
10.1016/j.pbi.2015.06.018
[Indexed for MEDLINE]

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