Brassinolide soaking and preharvest UV-B radiation influence the shelf life of small black bean sprouts

Xue, Jingjing; Guo, Chenchen; Shen, Yuxiao; Li, Minghui; Chu, Jianzhou; Yao, Xiaogang

doi:10.1016/j.foodchem.2021.129322

Cited by 19 publications

(19 citation statements)

References 42 publications

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“…However, on the light response curve, BR treatment had no effect on the PSII value ( Figure 6 ). Similar results showed that BR treatment significantly decreased Y (II) value in small black bean sprouts stored for 5 days at 4°C ( Xue et al, 2021 ). Y (NO) is an important indicator of photodamage in PSII, indicating the passive dissipation of energy in the form of heat and fluorescence values ( Yuan et al, 2017 ).…”

Section: Discussionsupporting

confidence: 70%

“…Y (NO) is an important indicator of photodamage in PSII, indicating the passive dissipation of energy in the form of heat and fluorescence values ( Yuan et al, 2017 ). NPQ indicates the ability to dissipate excess light energy as heat by non-photochemical quenching and is an important indicator of photoprotection in PSII ( Xue et al, 2021 ). In this paper, on the fluorescence kinetic and light response, BR treatment reduced the Y (NO) value and enhanced the NPQ value at the formation, differentiation, and expansion stage.…”

Section: Discussionmentioning

confidence: 99%

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Regulation Mechanism of Exogenous Brassinolide on Bulbil Formation and Development in Pinellia ternata

Guo

et al. 2022

Front. Plant Sci.

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The bulbil is the propagative organ of the P. ternata, which has a great effect on the yield of P. ternata. It is well known that plant hormones play important roles in bulbil formation and development. However, there is not clear about brassinolide (BR) regulation on bulbil formation and development. In this study, we revealed the effects of BR and BR biosynthesis inhibitors (propiconazole, Pcz) application on the histological observation, starch and sucrose metabolism, photosynthesis pathway, and hormone signaling pathway of P. ternata. The results showed that BR treatment reduced starch catabolism to maltodextrin and maltose in bulbil by decreasing BAM and ISA genes expression and increased cellulose catabolism to D-glucose in bulbil by enhancing edg and BGL genes expression. BR treatment enhanced the photosynthetic pigment content and potential maximum photosynthetic capacity and improved the photoprotection ability of P. ternata by increasing the dissipation of excess light energy to heat, thus reduced the photodamage in the PSII center. BR treatment increased the GA and BR content in bulbil of P. ternata, and decreased the ABA content in bulbil of P. ternata. Pcz treatment increased the level of GA, SL, ABA, and IAA in bulbil of P. ternata. BR regulated the signal transduction of BR, IAA, and ABA to regulate the formation and development of bulbil in P. ternata. These results provide molecular insight into BR regulation on bulbil formation and development.

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Section: Discussionsupporting

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Regulation Mechanism of Exogenous Brassinolide on Bulbil Formation and Development in Pinellia ternata

Guo

et al. 2022

Front. Plant Sci.

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“…The levels of flavonoid and ASA in bulbil were measured by the AlCl 3 colorimetry and 24-dinitrophenylhydrazine method ( Xue et al, 2021 ). Flavonoid and ASA content were presented as mg g –1 dried weight (DW) and mg g –1 fresh weight (FW), respectively.…”

Section: Methodsmentioning

confidence: 99%

“…The activity of POD was measured by the method of Yuan et al (2017) and was indicated as U g –1 min –1 . DPPH radical activity was extracted from a dried sample with ethanol absolute and was calculated as described by Xue et al (2021) . The APX activity was performed based on a literature procedure ( Nakano and Asada, 1981 ) and was indicated as U g –1 min –1 .…”

Section: Methodsmentioning

confidence: 99%

Exogenous brassinolide improves the antioxidant capacity of Pinellia ternata by enhancing the enzymatic and nonenzymatic defense systems under non-stress conditions

et al. 2022

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Brassinolide (BR) improves the antioxidant capacity of plants under various abiotic stresses. However, it is not clear about the effect of BR on the antioxidant capacity in plants under non-stress conditions. In the present study, the antioxidant defense response of Pinellia ternata was to be assessed by applying BR and propiconazole (Pcz) under non-stress conditions. BR treatment enhanced the flavonoid content, peroxidase, and ascorbate peroxidase (APX) activity by 12.31, 30.62, and 25.08% and led to an increase in 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity by 4.31% and a decrease in malondialdehyde content by 1.04%. Exogenous application of BR improved the expression levels of PAL, CHS, CHI, and DFR genes by 3. 18-, 3. 39-, 2. 21-, and 0.87-fold in flavonoid biosynthesis, PGI, PMI, and GME genes by 6. 60-, 1437. 79-, and 3.11-fold in ascorbic acid (ASA), biosynthesis, and γECs and GSHS genes by 6.08- and 2.61-fold in glutathione (GSH) biosynthesis pathway, and the expression of these genes were inhibited by Pcz treatment. In addition, BR treatment promoted the ASA–GSH cycle by enhancing the expression of APX, DHAR, and MDHAR genes, which were enhanced by 3. 33-, 157. 85-, and 154.91-fold, respectively. These results provided novel insights into the effect of BR on the antioxidant capacity in bulbil of P. ternata under non-stress conditions and useful knowledge of applying BR to enhance the antioxidant capacity of plants.

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“…Brassinolide (BR), a polyhydroxyl steroid, is a naturally occurring plant-growth regulator ( 17 , 18 ) that affects a range of physiological processes in plants ( 19 – 21 ). BR is considered to be the most widely used plant hormone in post-harvest storage and the preservation of fruits and vegetables ( 22 , 23 ). Several studies have shown that treatments with BR can delay the development of CI symptoms in cucumbers, green peppers, and bamboo shoots ( 17 , 24 , 25 ).…”

Section: Introductionmentioning

confidence: 99%

Revealing the Specific Regulations of Brassinolide on Tomato Fruit Chilling Injury by Integrated Multi-Omics

et al. 2021

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Tomato fruit is susceptible to chilling injury (CI) when stored at low temperatures, limiting its storage potential, and resulting in economic loss if inappropriate temperatures are used. Brassinolide (BR) is a plant growth regulator that is known to decrease the susceptibility of fruit to CI. In this study, transcriptome, metabolome, and proteome analysis revealed the regulation mechanism of BR treatment in alleviating tomato fruit CI. The results showed that the differentially expressed metabolites mainly included amino acids, organic acids, carbohydrates, and lipids. Differentially expressed genes (DEGs) were involved in plant cold stress response (HSFA3, SHSP, and TPR), fruit redox process (POD, PAL, and LOX), related to the fruit texture (CESA, β-Gal, and PAE), plant hormone signal transduction (ACS3, ARF, and ERF,), transcription factors (TCP, bHLH, GATA). Moreover, differentially expressed proteins were associated with fruit texture (CESA, PE, PL, and CHI), plant oxidation processes (LOX, GPX, CAT, and POD), plant cold stress response (HSF, HSP20, HSP70, and HSP90B), plant hormone signal transduction (BSK1 and JAR1) and transcription factors (WRKY and MYB). Our study showed that BR alleviates CI symptoms of tomato fruit by regulating LOX in the α-linolenic acid metabolism pathway, enhancing jasmonic acid-CoA (JA-CoA) synthesis, inhibiting cell wall and membrane lipid damage. The results provided a theoretical basis for further study on the CI mechanism of tomato fruit.

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Brassinolide soaking and preharvest UV-B radiation influence the shelf life of small black bean sprouts

Cited by 19 publications

References 42 publications

Regulation Mechanism of Exogenous Brassinolide on Bulbil Formation and Development in Pinellia ternata

Regulation Mechanism of Exogenous Brassinolide on Bulbil Formation and Development in Pinellia ternata

Exogenous brassinolide improves the antioxidant capacity of Pinellia ternata by enhancing the enzymatic and nonenzymatic defense systems under non-stress conditions

Revealing the Specific Regulations of Brassinolide on Tomato Fruit Chilling Injury by Integrated Multi-Omics

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