Sucrose phosphate synthase plays a key role in boron‐promoted sucrose synthesis in tobacco leaves

Shi, Yong; Sun, Bo; Liu, Weiqun

doi:10.1002/jpln.201100423

Cited by 6 publications

(3 citation statements)

References 33 publications

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“…NI activity pattern, involved in the cleavage of sucrose, was similar to the reported trends observed in loquat fruit during storage (Shao et al, 2012). The activities of SPS and SS may balance the sucrose content for the fruit during storage owing to the synthesis of sucrose for the generation of UDP, which was in accordance with our results (Kou et al, 2016; Shi et al, 2012). However, the synergistic effects of SS and SPS on sucrose concentration required further investigation.…”

Section: Discussionsupporting

confidence: 93%

Effects of postharvest treatment with pullulan, calcium chloride, and chitosan on quality and sugar metabolism of Annona squamosa during storage

Qiu

Liu

et al. 2022

Food Processing Preservation

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In this study, the effects of postharvest treatment with 1% pullulan, 2% calcium chloride, and 1% chitosan on the physiological and biochemical properties, enzymatic activities and the differentially expressed genes (DEGs) with sucrose metabolism of Annona squamosa L. fruits stored at 15 ± 1°C for 12 days were investigated. Exogenous substances treatment retained a higher level of firmness, surface color, total soluble solids, organic acids, and tvolatile flavor substances compared to the control fruit. Exogenous substances treatments, particularly calcium chloride, enhanced sucrose phosphate synthase activity, whereas it inhibited acid invertase (AI) and neutral invertase (NI) activities. These changes in enzyme activities together resulted in a significantly higher sucrose content and lower glucose and fructose contents. The number (1550 genes), proportion (6.46%), and expression levels of DEGs in the calcium chloride‐treated fruit, which was enriched in the starch and sucrose metabolism pathways, were all significantly higher than in chitosan treatment. The findings indicated that exogenous calcium chloride might alter sucrose metabolism during fruit ripening by regulating the enzymatic activities and metabolism pathway. This will provide a theoretical basis for further research on the regulation of sugar metabolism by exogenous substances treatment to solve the problem of quality degradation in the storage of A. squamosa. Novelty impact statement This study indicated that the application of chitosan, pullulan, or calcium chloride, especially calcium chloride treatment, can effectively maintain the quality of Annona squamosa fruit during storage. It was found that exogenous calcium chloride might alter sucrose metabolism during fruit ripening by regulating the enzymatic activities and metabolism pathway. The results provided a theoretical basis for exploring the mechanism of exogenous substances for maintaining the postharvest quality and enhancing the shelf life of A. squamosa fruit in further research.

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Section: Discussionsupporting

confidence: 93%

Effects of postharvest treatment with pullulan, calcium chloride, and chitosan on quality and sugar metabolism of Annona squamosa during storage

Qiu

Liu

et al. 2022

Food Processing Preservation

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“…SPS activity may play an important role in sucrose accumulation (Botha and Black, 2000;Shi et al, 2012), as it catalyzes the synthesis of sucrose for the generation of UDP. SS decomposes sucrose for the generation of UDPG and the possible storage of energy via a UDP activation of the hexose moiety (Bahaji et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

The Regulation of Sugar Metabolism in Huangguan Pears (Pyrus pyrifolia Nakai) with Edible Coatings of Calcium or Pullulan during Cold Storage

Kou,

Jiang,

Zhang

et al. 2016

HST

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Sugars play many important roles in plant metabolism and directly influence fruit quality. The effects of two edible coatings, 2% calcium chloride and 1% pullulan, on sugar metabolism in postharvest Huangguan pear fruit were investigated during cold storage. The respiration rate, sugar content and composition, sucrose metabolism enzyme activities [acid invertase (AIV), neutral invertase (NI), sucrose synthase (SS), and sucrose phosphate synthase (SPS)] and expression of the AIV gene were analyzed during storage at 0°C for 210 days. Coating treatments slowed the decrease of sucrose and hexose, the respiration rate, and the activities of AIV, NI, SS and SPS, thus maintaining high total soluble solids (TSS) and titratable acid (TA) contents in the fruit. There were no significant differences in AIV expression or activity between the treated and control groups of fruits. Both of the coatings could inhibit the activities of sucrose-cleaving enzymes, thus slowing the decrease of sugar content and maintaining high fruit quality during cold storage.

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“…Phosphotriose produced in photosynthesis is transported to the cytoplasm and converted to sucrose by sucrose phosphate synthase (SPS) and sucrose synthase. P starvation reduces the activities of SPS and sucrose synthase in Brachiaria (Nanamori et al., 2004) and soybean (A. Yang, Kong et al., 2020), and can limit sucrose availability in developing grains (Shi et al., 2012). It has been argued that increases in the activities of ribulose‐1,5‐bisphosphate carboxylase‐oxygenase (RuBisCO) and SPS do not result in high hexose, sucrose, or starch content when there is a higher rate of sucrose export (Hu et al., 2016).…”

Section: Introductionmentioning

confidence: 99%

Straw mulching combined with phosphorus fertilization increased photosynthesis rate and grain yield of wheat due to reduced stomatal and mesophyll limitations

He,

Xie,

et al. 2023

Crop Science

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Background: Phosphorus has been proposed as an important factor determining photosynthesis through improvements in leaf anatomical traits and carboxylation efficiency. However, little is known about the combined effects of straw mulch and P fertilizer on the relationship between flag leaf P content and photosynthesis.Aims: This study conducted to determine the combined effects of straw mulch combined with P fertilizer on wheat flag leaf photosynthetic capacity and grain yield.Methods: We performed field experiments during 2020–2022 to investigate the combined effects of straw mulch (0 and 8000 kg ha−1) with P fertilizer (0, 75, and 120 kg P2O5 ha−1) in southwest China.Results: Straw mulch with 75 kg P2O5 ha−1 gave an 18.3% yield advantage over no mulch with 120 kg P2O5 ha−1. Straw mulching with P fertilizer increased flag leaf P content and increased stomatal density. These changes increased stomatal conductance, mesophyll conductance and net photosynthetic rate by 17.4%, 16.3%, and 20.8%, respectively, compared with no‐mulch plots. The increased Pn was found associated with decreased stomatal and mesophyll limitation. Straw mulching with P fertilizer increased the activities of ribulose‐1,5‐bisphosphate carboxylase‐oxygenase and sucrose synthesis enzymes, thus promoting sucrose synthesis in flag leaves, which is beneficial for increasing grain number per m2 and grain yield.Conclusions: Straw mulching combined with 75 kg P2O5 ha−1 increased flag leaves P content and stomatal density, and increased stomatal and mesophyll conductance, resulting in improved leaf photosynthesis and grain yield.This article is protected by copyright. All rights reserved

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Sucrose phosphate synthase plays a key role in boron‐promoted sucrose synthesis in tobacco leaves

Cited by 6 publications

References 33 publications

Effects of postharvest treatment with pullulan, calcium chloride, and chitosan on quality and sugar metabolism of Annona squamosa during storage

Effects of postharvest treatment with pullulan, calcium chloride, and chitosan on quality and sugar metabolism of Annona squamosa during storage

The Regulation of Sugar Metabolism in Huangguan Pears (Pyrus pyrifolia Nakai) with Edible Coatings of Calcium or Pullulan during Cold Storage

Straw mulching combined with phosphorus fertilization increased photosynthesis rate and grain yield of wheat due to reduced stomatal and mesophyll limitations

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