The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide
As an important gaseous regulator, hydrogen sulfide (H<sub>2</sub>S) is involved in various aspects of plant processes, including seed germination, stomatal movement, and postharvest senescence. The preservation capacity of Lanzhou lily (<i>Lilium davidii</i> var. <i>un...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-07-01
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| Series: | Horticulturae |
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| Online Access: | https://www.mdpi.com/2311-7524/7/7/183 |
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| author | Changxia Li Guibao Chen Dengjing Huang Ni Wang Weibiao Liao |
| author_facet | Changxia Li Guibao Chen Dengjing Huang Ni Wang Weibiao Liao |
| author_sort | Changxia Li |
| collection | DOAJ |
| description | As an important gaseous regulator, hydrogen sulfide (H<sub>2</sub>S) is involved in various aspects of plant processes, including seed germination, stomatal movement, and postharvest senescence. The preservation capacity of Lanzhou lily (<i>Lilium davidii</i> var. <i>unicolor</i> Salisb) scales fumigated with or without exogenously applied sodium hydrosulfide (NaHS, a H<sub>2</sub>S donor) was investigated in the current study. Results indicate that NaHS fumigation was able to extend storage life and elicit endogenous H<sub>2</sub>S production of postharvest Lanzhou lily scales with an optimal concentration at 0.8 mM. Moreover, exogenously applied NaHS (0.8 mM) led to higher soluble sugar, soluble protein, and ascorbic acid levels and lower total phenolic and flavonoid contents compared with those of the control. The application of 0.8 mM NaHS also reduced the lipid peroxidation level and reactive oxygen species (ROS) accumulation in scales, as indicated by the lower malondialdehyde (MDA) content, relative conductivity, lipoxygenase (LOX) activity, O<sub>2</sub><sup>−</sup> production rate, and hydrogen per-oxide (H<sub>2</sub>O<sub>2</sub>) content. Further, scales treated with 0.8 mM NaHS exhibited significantly higher activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and ascorbic acid peroxidase (APX). Collectively, our data provide new insight into how the postharvest senescence of Lanzhou lily scales might be alleviated by H<sub>2</sub>S by enhancing antioxidant defense systems. |
| first_indexed | 2024-03-10T09:38:31Z |
| format | Article |
| id | doaj.art-b57b702e3b4c42ecad2d209a1ad6dd2a |
| institution | Directory Open Access Journal |
| issn | 2311-7524 |
| language | English |
| last_indexed | 2024-03-10T09:38:31Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Horticulturae |
| spelling | doaj.art-b57b702e3b4c42ecad2d209a1ad6dd2a2023-11-22T03:53:36ZengMDPI AGHorticulturae2311-75242021-07-017718310.3390/horticulturae7070183The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen SulfideChangxia Li0Guibao Chen1Dengjing Huang2Ni Wang3Weibiao Liao4College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou 730070, ChinaLanzhou New District Urban Development Investment Group Co., Ltd., Lanzhou Xin District, Lanzhou 730070, ChinaCollege of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou 730070, ChinaCollege of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou 730070, ChinaCollege of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou 730070, ChinaAs an important gaseous regulator, hydrogen sulfide (H<sub>2</sub>S) is involved in various aspects of plant processes, including seed germination, stomatal movement, and postharvest senescence. The preservation capacity of Lanzhou lily (<i>Lilium davidii</i> var. <i>unicolor</i> Salisb) scales fumigated with or without exogenously applied sodium hydrosulfide (NaHS, a H<sub>2</sub>S donor) was investigated in the current study. Results indicate that NaHS fumigation was able to extend storage life and elicit endogenous H<sub>2</sub>S production of postharvest Lanzhou lily scales with an optimal concentration at 0.8 mM. Moreover, exogenously applied NaHS (0.8 mM) led to higher soluble sugar, soluble protein, and ascorbic acid levels and lower total phenolic and flavonoid contents compared with those of the control. The application of 0.8 mM NaHS also reduced the lipid peroxidation level and reactive oxygen species (ROS) accumulation in scales, as indicated by the lower malondialdehyde (MDA) content, relative conductivity, lipoxygenase (LOX) activity, O<sub>2</sub><sup>−</sup> production rate, and hydrogen per-oxide (H<sub>2</sub>O<sub>2</sub>) content. Further, scales treated with 0.8 mM NaHS exhibited significantly higher activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and ascorbic acid peroxidase (APX). Collectively, our data provide new insight into how the postharvest senescence of Lanzhou lily scales might be alleviated by H<sub>2</sub>S by enhancing antioxidant defense systems.https://www.mdpi.com/2311-7524/7/7/183fumigationhydrogen sulfide (H<sub>2</sub>S)lily bulbslipid peroxidationpostharvest senescencequality |
| spellingShingle | Changxia Li Guibao Chen Dengjing Huang Ni Wang Weibiao Liao The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide Horticulturae fumigation hydrogen sulfide (H<sub>2</sub>S) lily bulbs lipid peroxidation postharvest senescence quality |
| title | The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide |
| title_full | The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide |
| title_fullStr | The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide |
| title_full_unstemmed | The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide |
| title_short | The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide |
| title_sort | antioxidant defense system during lanzhou lily scales storage is modulated by hydrogen sulfide |
| topic | fumigation hydrogen sulfide (H<sub>2</sub>S) lily bulbs lipid peroxidation postharvest senescence quality |
| url | https://www.mdpi.com/2311-7524/7/7/183 |
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