Chilling induces sugar and ABA accumulation that antagonistically signals for symplastic connection of dormant potato buds

Danieli, Raz; Assouline, S.; Salam, Bolaji Babajide; Vrobel, Ondřej; Teper‐Bamnolker, Paula; Belausov, Eduard; Granot, David; Tarkowski, Petr; Eshel, Dani

doi:10.1111/pce.14599

Cited by 12 publications

(3 citation statements)

References 98 publications

(159 reference statements)

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“…Cold stress is another challenge where ABA has shown its influence. In potato and pepper plants, an increase in ABA levels under cold conditions has been linked to enhanced cold tolerance, likely due to the activation of cold-responsive genes ( Guo et al., 2013 ; Danieli et al., 2023 ).…”

Section: Abscisic Acid: Roles In Abiotic Stress Responsesmentioning

confidence: 99%

Melatonin interaction with abscisic acid in the regulation of abiotic stress in Solanaceae family plants

Ali,

Pan,

Liu

et al. 2023

Front. Plant Sci.

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Solanaceous vegetable crops are cultivated and consumed worldwide. However, they often confront diverse abiotic stresses that significantly impair their growth, yield, and overall quality. This review delves into melatonin and abscisic acid (ABA) biosynthesis and their roles in abiotic stress responses. It closely examines the intricate interplay between melatonin and ABA in managing stress within plants, revealing both collaborative and antagonistic effects and elucidating the underlying molecular mechanisms. Melatonin and ABA mutually influence each other’s synthesis, metabolism and that of other plant hormones, a key focus of this study. The study highlights melatonin’s role in aiding stress management through ABA-dependent pathways and key genes in the melatonin-ABA interaction. Specifically, melatonin downregulates ABA synthesis genes and upregulates catabolism genes, leading to reduced ABA levels. It also directly scavenges H2O2, enhancing antioxidant enzyme activities, thereby underscoring their collaborative role in mediating stress responses. Moreover, the interplay between melatonin and ABA plays an essential role in multiple physiological processes of plants, including stomatal behaviors, wax accumulation, delay leaf senescence, seed germination, and seedlings growth, among others. Recognizing these relationships in Solanaceae vegetable crops holds great importance for improving agricultural practices and crop quality. In summary, this review offers a comprehensive overview of recent studies on the melatonin and ABA interplay, serving as a valuable resource for researchers and breeders dedicated to fortifying crop resilience and productivity within challenging environments.

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Section: Abscisic Acid: Roles In Abiotic Stress Responsesmentioning

confidence: 99%

Melatonin interaction with abscisic acid in the regulation of abiotic stress in Solanaceae family plants

Ali,

Pan,

Liu

et al. 2023

Front. Plant Sci.

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“…Specifically, buds enter the endodormancy stage induced by endogenous factors along with the decrease of photoperiod and temperature in previous autumn. During the endodormancy stage, buds may respond to low but non-freezing temperature (chilling temperatures) within a specific range (e.g., 0 - 5°C or 0 - 12°C)( Myking and Heide, 1995 ; Ghelardini et al., 2010 ; Baumgarten et al., 2021 ; Danieli et al., 2023 ). Sufficient exposure to chilling temperatures break the endodormancy ( Horvath et al., 2003 ; Cooke et al., 2012 ).…”

Section: Introductionmentioning

confidence: 99%

Daylength predominates the bud growth initiation of winter deciduous forest trees in the monsoon region of China

Lang,

Qian,

Chen

2024

Front. Plant Sci.

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Climate warming has induced significant shifts in spring phenology over both temperate and boreal forests. The timing of bud growth resuming from dormancy is crucial for predicting spring phenology. However, the mechanisms by which environmental cues, other than chilling accumulation, initiate bud growth remains unclear. By constructing a revised process-based spring phenology model incorporating photoperiod and temperature triggers of bud growth, we simulated the first leaf unfolding and first flowering dates of four deciduous forest trees during 1981-2014 at 102 stations across China’s monsoon regions. Then, we revealed spatial patterns of the two triggers. Moreover, we compared fitting precision and robustness of the revised model with three mainstream models. Results show that the revised models can effectively simulate all spring phenology time series. Growth initiation of foliar and floral buds was induced by photoperiod lengthening in 80.8% and 77.7% of time series, and by temperature increasing in remaining 19.2% and 22.3% of time series, respectively. The proportions of time series with photoperiod- and temperature-initiated bud growth significantly increase and decrease from northern to southern climatic zones, respectively. Chilling exposure controls the predominant bud growth triggers in different climate zones. Specifically, in regions with long and severe winters where chilling requirement is easily fulfilled, rising temperature in spring alleviates the cold constraint and initiate bud growth. Conversely, in regions with short and mild winters, prolonged daylength in spring compensates the lack of chilling exposure to initiate bud growth. These findings suggest that photoperiod may limit spring phenology response to temperature in low-latitudes. Overall, our model slightly outperforms other models in terms of efficiency, accuracy, and robustness in modeling leaf unfolding and flowering dates. Therefore, this study deepens our understanding of the mechanisms of spring phenology, and improves the predicting capability of spring phenology models in the face of ongoing global warming.

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“…PD serves as a multifunctional channel with varying numbers and structures, and its permeability is continuously adjusted in response to various internal and external factors [ 9 ]. In potatoes, chilling could induce the sugar accumulation and further reduced PD closure [ 10 ]. The blockage of PD result in the tuber dormancy by reducing tuberigen proteins and sucrose transport [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Regulating bulb dormancy release and flowering in lily through chemical modulation of intercellular communication

Zhao,

Pan,

Xin

et al. 2023

Plant Methods

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Lily is a bulbous plant with an endogenous dormancy trait. Fine-tuning bulb dormancy release is still a challenge in the development of bulb storage technology. In this study, we identified three regulators of symplastic transport, 2,3-Butanedione oxime (BDM), N-Ethyl maleimide (NEM), and 2-Deoxy-D-glucose (DDG), that also regulate bulb dormancy release. We demonstrated that BDM and DDG inhibited callose synthesis between cells and promoted symplastic transport and soluble sugars in the shoot apical meristem (SAM), eventually accelerating bulb dormancy release and flowering in lilies. Conversely, NEM had the opposite effect. These three regulators can be flexibly applied to either accelerate or delay lily bulb dormancy release.

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Chilling induces sugar and ABA accumulation that antagonistically signals for symplastic connection of dormant potato buds

Cited by 12 publications

References 98 publications

Melatonin interaction with abscisic acid in the regulation of abiotic stress in Solanaceae family plants

Melatonin interaction with abscisic acid in the regulation of abiotic stress in Solanaceae family plants

Daylength predominates the bud growth initiation of winter deciduous forest trees in the monsoon region of China

Regulating bulb dormancy release and flowering in lily through chemical modulation of intercellular communication

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