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Leaf senescence.
TLDR
Key issues still need to be elucidated, including cellular-level analysis of senescence-associated cell death, the mechanism of coordination among cellular-, organ-, and organism-level senescences, the integration mechanism of various senescENCE-affecting signals, and the nature and control of leaf age. Expand
Comparative transcriptome analysis reveals significant differences in gene expression and signalling pathways between developmental and dark/starvation-induced senescence in Arabidopsis.
An analysis of changes in global gene expression patterns during developmental leaf senescence in Arabidopsis has identified more than 800 genes that show a reproducible increase in transcriptExpand
Trifurcate Feed-Forward Regulation of Age-Dependent Cell Death Involving miR164 in Arabidopsis
TLDR
The trifurcate feed-forward pathway involving ORE1, miR164, and EIN2 provides a highly robust regulation to ensure that aging induces cell death in Arabidopsis leaves. Expand
ZEITLUPE is a circadian photoreceptor stabilized by GIGANTEA in blue light.
TLDR
It is shown that GIGANTEA (GI) is essential to establish and sustain oscillations of ZTL by a direct protein-protein interaction, which results in the high-amplitude TOC1 rhythms necessary for proper clock function. Expand
Cytokinin-mediated control of leaf longevity by AHK3 through phosphorylation of ARR2 in Arabidopsis.
TLDR
It is found that AHK3, one of the three cytokinin receptors in Arabidopsis, plays a major role in controlling cytokinIn-mediated leaf longevity through a specific phosphorylation of a response regulator, ARR2. Expand
Control of circadian rhythms and photoperiodic flowering by the Arabidopsis GIGANTEA gene.
TLDR
Circadian expression patterns of the GI gene and the clock-associated genes, LHY and CCA1, are altered in gi mutants, showing that GI is required for maintaining circadian amplitude and appropriate period length of these genes. Expand
A senescence-associated gene of Arabidopsis thaliana is distinctively regulated during natural and artificially induced leaf senescence
TLDR
It is revealed that the sen1 gene expression is associated with Arabidopsis leaf senescence, and during the normal growth phase, the gene is strongly induced in leaves at 25 days after germination when inflorescence stems are 2–3 cm high, and the mRNA level is maintained at a comparable level in naturally senescing leaves. Expand
OsMADS51 Is a Short-Day Flowering Promoter That Functions Upstream of Ehd1, OsMADS14, and Hd3a1[W][OA]
TLDR
OsMADS51 is a novel flowering promoter that transmits a SD promotion signal from OsGI to Ehd1, and that this gene functions upstream of Ehd 1, OsMADS14, and Hd3a. Expand
BLADE-ON-PETIOLE1 and 2 Control Arabidopsis Lateral Organ Fate through Regulation of LOB Domain and Adaxial-Abaxial Polarity Genes[W]
TLDR
It is indicated that BOP1 and BOP2 act in cells adjacent to the lateral organ boundary to repress genes that confer meristem cell fate and induce genes that promote lateral organ fate and polarity, thereby restricting the developmental potential of the organ-forming cells and facilitating their differentiation. Expand
Identification of three genetic loci controlling leaf senescence in Arabidopsis thaliana.
TLDR
It is shown that one of the mutations is allelic to ein2-1, an ethylene-insensitive mutation, confirming the role of ethylene signal transduction pathway in leaf senescence of Arabidopsis, and suggest that the three genes function at a common step of age-dependent and dark-inducedsenescence processes. Expand
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