Transient induction of a subset of ethylene biosynthesis genes is potentially involved in regulation of grapevine bud dormancy release

Shi, Zhaowan; Halaly-Basha, Tamar; Zheng, Chuanlin; Weissberg, Mira; Ophir, Ron; Pang, Xuequn; Or, Etti

doi:10.1007/s11103-018-0793-y

Cited by 25 publications

(26 citation statements)

References 66 publications

(82 reference statements)

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“…(iii) Hypoxic conditions induce dormancy release (Vergara et al, 2012;Zheng et al, 2015). (iv) Transient increases in ethylene biosynthesis prior to dormancy release support a role for ethylene in activation of dormancy release (Ophir et al, 2009;Shi et al, 2018). In agreement, treatment with exogenous ethylene stimulates dormancy release, whereas treatment with inhibitors of ethylene biosynthesis and ethylene signaling both abolishes dormancy release and antagonizes the enhancing effect of HC/AZ treatments (Ophir et al, 2009;Shi et al, 2018).…”

Section: Introductionmentioning

confidence: 70%

“…A positive effect of ethylene on the expression of ERF-VIIs has been previously described in rice and in Arabidopsis (Fukao et al, 2006;Hinz et al, 2010). In light of our observations of induction of bud break by treatment with gaseous ethylene (Ophir et al, 2009;Shi et al, 2018), we examined, in our Sealed Vase (SV) system, whether transcription of VvERF057 and VvERF059 might be directly influenced by treatment with ethylene. HC treatment was included as a reference.…”

Section: Ethylene Effects On Expression Of Vverf057 and Vverf059mentioning

confidence: 91%

“…(iv) Transient increases in ethylene biosynthesis prior to dormancy release support a role for ethylene in activation of dormancy release (Ophir et al, 2009;Shi et al, 2018). In agreement, treatment with exogenous ethylene stimulates dormancy release, whereas treatment with inhibitors of ethylene biosynthesis and ethylene signaling both abolishes dormancy release and antagonizes the enhancing effect of HC/AZ treatments (Ophir et al, 2009;Shi et al, 2018). (v) Across the natural bud dormancy cycle in grapes, endogenous ABA levels increase at the onset of dormancy, and decrease towards dormancy release (Koussa, 1994;Or et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

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Identification of potential post‐ethylene events in the signaling cascade induced by stimuli of bud dormancy release in grapevine

et al. 2020

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SUMMARY Ethylene signaling appears critical for grape bud dormancy release. We therefore focused on identification and characterization of potential downstream targets and events, assuming that they participate in the regulation of dormancy release. Because ethylene responding factors (ERF) are natural candidates for targets of ethylene signaling, we initially characterized the behavior of two VvERF‐VIIs, which we identified within a gene set induced by dormancy release stimuli. As expected, these VvERF‐VIIs are localized within the nucleus, and are stabilized upon decreases in oxygen availability within the dormant buds. Less expected, the proteins are also stabilized upon hydrogen cyanamide (HC) application under normoxic conditions, and their levels peak at deepest dormancy under vineyard conditions. We proceeded to catalog the response of all bud‐expressed ERFs, and identified additional ERFs that respond similarly to ethylene, HC, azide and hypoxia. We also identified a core set of genes that are similarly affected by treatment with ethylene and with various dormancy release stimuli. Interestingly, the functional annotations of this core set center around response to energy crisis and renewal of energy resources via autophagy‐mediated catabolism. Because ERF‐VIIs are stabilized under energy shortage and reshape cell metabolism to allow energy regeneration, we propose that: (i) the availability of VvERF‐VIIs is a consequence of an energy crisis within the bud; (ii) VvERF‐VIIs function as part of an energy‐regenerating mechanism, which activates anaerobic metabolism and autophagy‐mediated macromolecule catabolism; and (iii) activation of catabolism serves as the mandatory switch and the driving force for activation of the growth‐inhibited meristem during bud‐break.

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Section: Introductionmentioning

confidence: 70%

Section: Ethylene Effects On Expression Of Vverf057 and Vverf059mentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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Identification of potential post‐ethylene events in the signaling cascade induced by stimuli of bud dormancy release in grapevine

et al. 2020

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“…These ethanol treatments may be a promising alternative to cyanamide bud break treatments. The means by which ethanol enhances bud break are not known; however, they may be related to ethylene and oxidative reactions (Shi et al, 2018;Halaly et al, 2008); but validation of these hypotheses requires functional genomic analyses. Further studies of cultivars under differing chilling fulfilment conditions in vineyards and controlled conditions should develop protocols for ethanol use to promote dormancy release in grapevines and other crops.…”

Section: Resultsmentioning

confidence: 99%

“…ACC is the precursor of ethylene in plants, and its conversion to ethylene is known to be associated with the production of hydrogen cyanamide (Lin et al, 2009). Shi et al (2018) showed recently that ethylene production is involved in grapevine bud break. In an earlier study, we showed that spraying ethanol on grapevines generated various responses, including the stimulation of ethylene production (Chervin et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Ethanol sprays to release grapevine bud dormancy: a potential alternative to cyanamides

Chervin

Fennell

2019

OENO One

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Aim: Grape growers sometimes use cyanamides (calcium or hydrogen) to release bud dormancy in warm climate regions, where the chilling requirement has not been met during winter. However, these products can cause damage to plants and are dangerous to handle, so alternatives would be welcomed by growers. Connections between metabolisms of ethanol, ethylene and cyanide revealed by previous studies led us to test the potential of ethanol sprays on bud break and early shoot growth.Methods and results: Trials were performed over three years on Vitis vinifera grapevines trained in Guyot or cordon, and on cuttings in growth chambers. Cultivars used in the studies included Cabernet-Sauvignon, Syrah and Ugni blanc. The results show that ethanol can advance bud break of all three cultivars at concentrations ranging from 2.5 to 10 % ethanol in water. Ethanol stimulates bud development in both Guyot and cordon training systems. However, the timing of ethanol application is crucial, and late spring season applications reduce the effectiveness of the treatment.Conclusions: Observations were performed over three different seasons. The trials revealed that ethanol sprays can advance bud break of different Vitis vinifera vines, trained with cane or spur systems.Significance and impact of the study: Climate change impacts dormancy release, making it an increasingly important issue over the next few decades. An alternative to the dangerous use of cyanamides to promote bud break would greatly help growers. These preliminary results with ethanol are promising but should lead to trials in various growing areas and with various cultivars in order to confirm their potential for viticulture.

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Integrated analysis of miRNAs and their targets reveals that miR319c/TCP2 regulates apical bud burst in tea plant (Camellia sinensis)

Liu

Zhang

et al. 2019

Planta

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Transient induction of a subset of ethylene biosynthesis genes is potentially involved in regulation of grapevine bud dormancy release

Abstract: Transient induction of a subset of ethylene biosynthesis genes is potentially involved in regulation of grapevine bud dormancy release

Cited by 25 publications

References 66 publications

Identification of potential post‐ethylene events in the signaling cascade induced by stimuli of bud dormancy release in grapevine

Identification of potential post‐ethylene events in the signaling cascade induced by stimuli of bud dormancy release in grapevine

Ethanol sprays to release grapevine bud dormancy: a potential alternative to cyanamides

Integrated analysis of miRNAs and their targets reveals that miR319c/TCP2 regulates apical bud burst in tea plant (Camellia sinensis)

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