Putting primary metabolism into perspective to obtain better fruits

Beauvoit, Bertrand; Belouah, Isma; Bertin, Nadia; Cakpo, Coffi Belmys; Colombié, Sophie; Dai, Zhanwu; Gautier, Hélène; Génard, Michel; Moing, Annick; Roch, Léa; Vercambre, Gilles; Gibon, Yves

doi:10.1093/aob/mcy057

Cited by 78 publications

(60 citation statements)

References 247 publications

(286 reference statements)

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“…This agrees with previous phenotyping and modelling studies on tomato that demonstrate metabolic shifts in carbon metabolism in the growing fruit [25,28,29,31]. Furthermore, it has been recently confirmed through transcriptomics and proteomics that the developing fruit not only undergoes metabolic shifts in central pathways, but also redox metabolism, such as for pyridine nucleotides that are detrimental to energy homeostasis [27,32,33]. However, major questions remain regarding the nature and dynamics of shifts in central metabolism upon pathogen inoculation.…”

Section: Discussionsupporting

confidence: 89%

“…It is reasonable to expect that further investigations involving a more comprehensive view of fruit primary metabolism and how microbial challenges dynamically affect such pathways might significantly improve our understanding of the relationships between central metabolism and fruit-pathogen interactions. In turn, this should provide novel strategies to obtain fruit of better quality and stress resilience [32].…”

Section: Discussionmentioning

confidence: 99%

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Metabolomics to Exploit the Primed Immune System of Tomato Fruit

et al. 2020

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Tomato is a major crop suffering substantial yield losses from diseases, as fruit decay at a postharvest level can claim up to 50% of the total production worldwide. Due to the environmental risks of fungicides, there is an increasing interest in exploiting plant immunity through priming, which is an adaptive strategy that improves plant defensive capacity by stimulating induced mechanisms. Broad-spectrum defence priming can be triggered by the compound ß-aminobutyric acid (BABA). In tomato plants, BABA induces resistance against various fungal and bacterial pathogens and different methods of application result in durable protection. Here, we demonstrate that the treatment of tomato plants with BABA resulted in a durable induced resistance in tomato fruit against Botrytis cinerea, Phytophthora infestans and Pseudomonas syringae. Targeted and untargeted metabolomics were used to investigate the metabolic regulations that underpin the priming of tomato fruit against pathogenic microbes that present different infection strategies. Metabolomic analyses revealed major changes after BABA treatment and after inoculation. Remarkably, primed responses seemed specific to the type of infection, rather than showing a common fingerprint of BABA-induced priming. Furthermore, top-down modelling from the detected metabolic markers allowed for the accurate prediction of the measured resistance to fruit pathogens and demonstrated that soluble sugars are essential to predict resistance to fruit pathogens. Altogether, our results demonstrate that metabolomics is particularly insightful for a better understanding of defence priming in fruit. Further experiments are underway in order to identify key metabolites that mediate broad-spectrum BABA-induced priming in tomato fruit.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Metabolomics to Exploit the Primed Immune System of Tomato Fruit

et al. 2020

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“…Thus, it could be assumed that the partitioning of sugars changes during the development and ripening of the fruit to ensure the growth of each part of the fruit. Simulations from fruit growth models could help us to better understand these processes [66].…”

Section: Discussionmentioning

confidence: 99%

To Stop Nitrogen Overdose in Soilless Tomato Crop: A Way to Promote Fruit Quality without Affecting Fruit Yield

Truffault¹,

Ristorto²,

Brajeul³

et al. 2019

Agronomy

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Precision horticulture is fundamental to ensure high quality production with a minimalenvironmental footprint. It offers the possibility to manage climatic and fertilization inputs closerto the plant needs. In practice, there is a tendency to over‐fertilize, as nitrogen limitation candecrease photosynthesis and consequently fruit yield, but also because nutrient recycling does notlead to any substantial costs increase, thus ignoring the influence of nitrogen input on the balancebetween growth and metabolism. Nitrogen recommendation for tomato greenhouse production onrockwool is 16mM, even it is well established that only 50% of nitrogen amount is really absorbedby plants. This study compares the usual practice (16 mM) to a nitrogen supply to meet plant’sneeds (5 mM). We analyzed plant growth and development, yield, leaf photosynthetic activity andfruit quality (sugars, acids, vitamin C,) over the entire crop period (December to October).Over‐fertilization favoured the accumulation of nitrogen in leaves and stem but yield, leafphotosynthetic activity and plant architecture were not significantly improved. In addition, itdecreased the quality of the tomatoes as the sugar:acid ratio decreased dramatically in the pericarp,whereas the locular gel composition remained similar. A reduction of the nitrogen supply is onesolution to improve tomato quality without any reduction of yield in greenhouse. These data haveto be incorporated in tomato fertigation management to define a new standard based on overallquality of tomato fruit and low environmental footprint.

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“…Net photosynthesis is responsible for primary metabolites that are the major source of precursors for the biosynthesis of phenolic compounds, carotenoids, and ascorbate. Oxidative stress may trigger the biosynthetic pathways of these compounds [21,22]. The balance between productivity and quality benefits from a certain level of water deficit, but it depends upon the intensity, duration, and repetition of events of water deficit [23].…”

Section: Abiotic Stresses: Temperature and Water Availabilitymentioning

confidence: 99%

Vineyard and Olive Orchard Management to Maintain Yield and Quality Under Abiotic Stress Conditions

Oliveira¹,

Fernandes-Silva²

2020

Modern Fruit Industry

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Yield and quality of fruits are multifaceted traits involving various plant and fruit processes that, for a given genetic makeup, depend on environmental factors and agronomic practices. Crop yield has to meet the demand of a growing population, but crop quality is a challenging issue affected by consumer's behavior and increasingly associated with food security. The projected climate scenario for South Mediterranean Europe predicts lower precipitation and higher temperatures that will negatively affect agricultural activity. A warmer and drier climate is expected to cause changes in crop yield and its quality. Higher temperatures affect photosynthesis, causing alterations in sugars, organic acids, flavonoid contents, firmness, and antioxidant activity. Reduced soil water availability will impact on the capacity of plants to accumulate biomass and when conjugated with warmer weather, it can trigger disorders like fruit sunburn further depressing crop yields. New cultivation techniques are necessary to produce sufficient food supplies to meet the basic nutrient requirements of the growing human population and support the agriculture economy. We focus on the production of olives and wine grapes, two of the most cultivated fruit crops of Southern Europe, which is certainly strongly affected by changing weather conditions. We review the recent developments on agronomic practices to counter or minimize the projected environmental changes, and we will report on our own experiences.

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Putting primary metabolism into perspective to obtain better fruits

Cited by 78 publications

References 247 publications

Metabolomics to Exploit the Primed Immune System of Tomato Fruit

Metabolomics to Exploit the Primed Immune System of Tomato Fruit

To Stop Nitrogen Overdose in Soilless Tomato Crop: A Way to Promote Fruit Quality without Affecting Fruit Yield

Vineyard and Olive Orchard Management to Maintain Yield and Quality Under Abiotic Stress Conditions

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