2018
DOI: 10.1093/jxb/ery009
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Petal senescence: a hormone view

Abstract: Flowers are highly complex organs that have evolved to enhance the reproductive success of angiosperms. As a key component of flowers, petals play a vital role in attracting pollinators and ensuring successful pollination. Having fulfilled this function, petals senesce through a process that involves many physiological and biochemical changes that also occur during leaf senescence. However, petal senescence is distinct, due to the abundance of secondary metabolites in petals and the fact that petal senescence … Show more

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Cited by 116 publications
(102 citation statements)
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“…Phytohormones act as internal cues to initiate petal senescence [3]. Our results showed that many components of hormone biosynthesis and signaling were significantly changed at the protein or ubiquitination levels in stage 5 compared to stage 3 (Table S9).…”
Section: Hormone Biosynthesis and Signaling Pathwaysmentioning
confidence: 78%
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“…Phytohormones act as internal cues to initiate petal senescence [3]. Our results showed that many components of hormone biosynthesis and signaling were significantly changed at the protein or ubiquitination levels in stage 5 compared to stage 3 (Table S9).…”
Section: Hormone Biosynthesis and Signaling Pathwaysmentioning
confidence: 78%
“…However, the effects of BRs on petal senescence are largely unknown. Ethylene plays a critical role in promoting senescence [3,69]. S-adenosyl-met (SAM) is a precursor in the ethylene biosynthesis pathway whose formation is catalyzed by S-adenosyl-Met synthetase (SAMS).…”
Section: Hormone Biosynthesis and Signaling Pathwaysmentioning
confidence: 99%
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