2017
DOI: 10.1111/tpj.13751
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A RhABF2/Ferritin module affects rose (Rosa hybrida) petal dehydration tolerance and senescence by modulating iron levels

Abstract: Plants often develop the capacity to tolerate moderate and reversible environmental stresses, such as drought, and to re-establish normal development once the stress has been removed. An example of this phenomenon is provided by cut rose (Rosa hybrida) flowers, which experience typical reversible dehydration stresses during post-harvest handling after harvesting at the bud stages. The molecular mechanisms involved in rose flower dehydration tolerance are not known, however. Here, we characterized a dehydration… Show more

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Cited by 26 publications
(19 citation statements)
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“…The function of ethylene and JA in the acceleration of leaf senescence has been widely reported 21,25 , but the interaction and crosstalk between these hormones during flower senescence has not been studied in detail. To determine the effects of ethylene and JA during flower senescence, we introduced a rose petal disc system 13,43 . As shown in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The function of ethylene and JA in the acceleration of leaf senescence has been widely reported 21,25 , but the interaction and crosstalk between these hormones during flower senescence has not been studied in detail. To determine the effects of ethylene and JA during flower senescence, we introduced a rose petal disc system 13,43 . As shown in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…In petunia, potassium and phosphorus contents decrease [77,78], and transcripts of a phosphate transporter, PhPT, accumulate in senescing corollas [78]. Expression of Fe transporter genes is induced in senescing rose petals [79]. Moreover, many transporters related to petal senescence were identified via transcriptome approaches in plant species, such as alstroemeria, carnation, and iris [15,16,56].…”
Section: Transporter Activitymentioning
confidence: 99%
“…Heterologous expression of DcABF3 altered stomatal density and reduced ABA sensitivity and improved drought resistance in Arabidopsis [26]. The silencing of RhABF2 reduced rose (Rosa hybrid) dehydration tolerance and disrupted Fe homeostasis in rose petals during dehydration [27]. High salt concentration inhibited the expression of GhABF2 in cotton, but the salt tolerance of cotton overexpressing GhABF2 was improved [21].…”
Section: Introductionmentioning
confidence: 99%