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A NAP-AAO3 regulatory module promotes chlorophyll degradation via ABA biosynthesis in Arabidopsis leaves.

The Plant cell - 1 Dec 2014

Yang Jiading, Worley Eric, Udvardi Michael

Abstract excerpt

Chlorophyll degradation is an important part of leaf senescence, but the underlying regulatory mechanisms are largely unknown. Excised leaves of an Arabidopsis thaliana NAC-LIKE, ACTIVATED BY AP3/PI (NAP) transcription factor mutant (nap) exhibited lower transcript levels of known chlorophyll degradation genes, STAY-GREEN1 (SGR1), NON-YELLOW COLORING1 (NYC1), PHEOPHYTINASE (PPH), and PHEIDE a OXYGENASE (PaO), and...

Topics

Abscisic Acid
Aldehyde Oxidase
Arabidopsis
Arabidopsis Proteins
Cellular Senescence
Chlorophyll
Darkness
Gene Expression Profiling
Gene Expression Regulation, Plant
Phenotype
Plant Leaves

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Identifiers

PMID: 25516602
DOI: 10.1105/tpc.114.133769
PMCID: PMC4311216

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A NAP-AAO3 regulatory module promotes chlorophyll degradation via ABA biosynthesis in Arabidopsis leaves.PMID 25516602Read ↗

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