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dos Santos SK, da Silva Gomes D, de Oliveira AFP, Silva AMO, de Moura VS, Gusmão MHA, de Matos EM, Viccini LF, Grazul RM, Henschel JM, Batista DS. Water stress and exogenous carnitine on growth and essential oil profile of Eryngium foetidum L. 3 Biotech 2023; 13:328. [PMID: 37667775 PMCID: PMC10475002 DOI: 10.1007/s13205-023-03757-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 08/23/2023] [Indexed: 09/06/2023] Open
Abstract
Water stress influences plant growth and metabolism. Carnitine, an amino acid involved in lipid metabolism, has been related to responses of plants to abiotic stresses, also modulating their metabolites. Culantro (Eryngium foetidum L.) is a perennial herb, rich in essential oils, native to Latin America, commonly used due to its culinary and medicinal properties. Here, we investigated the effect of exogenous carnitine on morphophysiology and the essential oil profile of culantro plants under water stress. For this, plants were grown under three water conditions: well-watered, drought stress, and re-watered; and sprayed with exogenous carnitine (100 µM) or water (control). Culantro growth was impaired by drought and enhanced by re-watering. Carnitine, in turn, did not reverse drought effects on growth, and impaired the growth of re-watered plants, also improving photosynthetic pigment content. Water conditions and carnitine application changed the essential oil profile of the plants. Drought and re-watering improved the production of eryngial, which was even increased with exogenous carnitine in re-watered plants. In addition, hydroquinone was only produced with the combination of re-watering and carnitine application. The application of exogenous carnitine can be a strategy to induce the production of essential oil compounds with cosmetic and pharmaceutical importance in culantro. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03757-y.
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Affiliation(s)
- Sabrina Kelly dos Santos
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, Paraíba 58397-000 Brazil
| | - Daniel da Silva Gomes
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, Paraíba 58397-000 Brazil
| | - Ana Flávia Pellegrini de Oliveira
- Departamento de Química, Núcleo Multifuncional de Pesquisas Químicas (NUPEQ), Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900 Brazil
| | - Agnne Mayara Oliveira Silva
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus III, s/n, Bananeiras, Paraíba 58220-000 Brazil
| | - Vitória Stefany de Moura
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus III, s/n, Bananeiras, Paraíba 58220-000 Brazil
| | - Moises Henrique Almeida Gusmão
- Departamento de Biologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900 Brazil
| | - Elyabe Monteiro de Matos
- Departamento de Biologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900 Brazil
| | - Lyderson Facio Viccini
- Departamento de Biologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900 Brazil
| | - Richard Michael Grazul
- Departamento de Química, Núcleo Multifuncional de Pesquisas Químicas (NUPEQ), Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900 Brazil
| | - Juliane Maciel Henschel
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, Paraíba 58397-000 Brazil
| | - Diego Silva Batista
- Programa de Pós-graduação em Agronomia, Universidade Federal da Paraíba, Areia, Paraíba 58397-000 Brazil
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus III, s/n, Bananeiras, Paraíba 58220-000 Brazil
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Abiko Y, Aoki H, Kumagai Y. Effect of combined exposure to environmental aliphatic electrophiles from plants on Keap1/Nrf2 activation and cytotoxicity in HepG2 cells: A model of an electrophile exposome. Toxicol Appl Pharmacol 2021; 413:115392. [PMID: 33428920 DOI: 10.1016/j.taap.2020.115392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 12/24/2020] [Accepted: 12/30/2020] [Indexed: 11/25/2022]
Abstract
Electrophiles, ubiquitously found in the environment, modify thiol groups of sensor proteins, leading to activation of redox signaling pathways such as the Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor E2 related factor 2 (Nrf2) pathway. Nrf2 activation by exposure to single electrophiles has been established. However, the effect of exposure to a combination of electrophiles on Nrf2 activation has not been well evaluated. The current study examined whether combined exposure to electrophiles enhances the modification of thiol groups and Keap1/Nrf2 activation in HepG2 cells. Six electrophiles [1,2-naphthoquinone (1,2-NQ), 1,4-NQ, 1,4-benzoquinone, (E)-2-hexenal (hexenal), (E)-2-decenal, and (E)-2-butenal] were tested for S-modification of albumin in vitro and for cytotoxicity to HepG2 cells. Interestingly, a mixture of the electrophiles enhanced S-modification of albumin and cytotoxicity compared with exposure to each electrophile separately. Herein, we focused on 1,2-NQ, 1,4-NQ, and hexenal to clarify the combined effect of electrophiles on Keap1/Nrf2 activation in HepG2 cells. A concentration addition model revealed that 1,2-NQ and/or 1,4-NQ additively enhanced hexenal-mediated S-modification of GSH in vitro, whereas the cytotoxicity of hexenal was synergistically increased by simultaneous exposure of HepG2 cells to the NQs. Furthermore, an NQ cocktail (2.5 μM each) that does not activate Nrf2 enhanced hexenal-mediated Nrf2 activation. These results suggest that combined exposure to electrophiles at low concentrations induces stronger activation of redox signaling compared with exposure to each electrophile alone and worsens their cytotoxicity.
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Affiliation(s)
- Yumi Abiko
- Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human, Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Hanako Aoki
- Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human, Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Yoshito Kumagai
- Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human, Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.
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