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Encina CL, Hamdi A, Rodríguez-Arcos R, Jiménez-Araujo A, Regalado JJ, Guillén-Bejarano R. Effect of Arabinogalactans on Induction of White-Opaque Somatic Embryos of Avocado ( Persea americana Mill.) cv. Duke-7. PLANTS (BASEL, SWITZERLAND) 2023; 13:37. [PMID: 38202345 PMCID: PMC10780364 DOI: 10.3390/plants13010037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024]
Abstract
The development of somatic embryogenesis in avocado (Persea americana Mill.) has been hampered by different chronic problems. One such problem is the low level of induction of white-opaque somatic embryos (WOSEs) during the process of obtaining full avocado plants. We detected the induction of multiple WOSEs promoted after the placement of three or four small WOSEs over the embryogenic callus of Duke-7. Among the other possible chemical inductors of the Arabinogalactans (AGPs), we identified a family of extracellular plant proteoglycans implicated in many aspects of the in vitro induction of somatic embryos (SE). We extracted AGPs directly from embryogenic cultures of avocado. When the induction/proliferation medium of embryogenic avocado calli (MS-0.1 mg L-1 Picloram) was supplemented with 1-2 mg L-1 AGP, the induction rate of good-quality WOSEs from the embryogenic callus increased significantly (more than ten times that of the control without AGP) and this effect persisted for at least five subcultures after the initial treatment with AGP. AGP also modified the texture and quality of the callus. The effect of AGP extends to other cultivars and proliferation media. Our objectives were to improve the induction of WOSEs and study the effect of AGP in the somatic embryogenesis of avocado.
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Affiliation(s)
- C. L. Encina
- Laboratorio de Cultivo de Tejidos y Biotecnología, Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, CSIC-UMA, Algarrobo-Costa, 29750 Málaga, Spain
| | - A. Hamdi
- Grupo de Fitoquímicos y Calidad de Alimentos, Departmento Fitoquímica de Alimentos, Instituto de la Grasa (CSIC), Universidad Pablo de Olavide, Edificio 46 Ctra. de Utrera, km. 1, 41013 Sevilla, Spain; (A.H.); (R.R.-A.); (A.J.-A.); (R.G.-B.)
| | - R. Rodríguez-Arcos
- Grupo de Fitoquímicos y Calidad de Alimentos, Departmento Fitoquímica de Alimentos, Instituto de la Grasa (CSIC), Universidad Pablo de Olavide, Edificio 46 Ctra. de Utrera, km. 1, 41013 Sevilla, Spain; (A.H.); (R.R.-A.); (A.J.-A.); (R.G.-B.)
| | - A. Jiménez-Araujo
- Grupo de Fitoquímicos y Calidad de Alimentos, Departmento Fitoquímica de Alimentos, Instituto de la Grasa (CSIC), Universidad Pablo de Olavide, Edificio 46 Ctra. de Utrera, km. 1, 41013 Sevilla, Spain; (A.H.); (R.R.-A.); (A.J.-A.); (R.G.-B.)
| | - J. J. Regalado
- Department of Biology and Geology, Agri-Food Campus of International Excellence (CeiA3) and Research Center CIAMBITAL, University of Almeria, 04120 Almeria, Spain;
| | - R. Guillén-Bejarano
- Grupo de Fitoquímicos y Calidad de Alimentos, Departmento Fitoquímica de Alimentos, Instituto de la Grasa (CSIC), Universidad Pablo de Olavide, Edificio 46 Ctra. de Utrera, km. 1, 41013 Sevilla, Spain; (A.H.); (R.R.-A.); (A.J.-A.); (R.G.-B.)
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Steering the formation of cellobiose and oligosaccharides during enzymatic hydrolysis of asparagus fibre. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Chitrakar B, Zhang M, Adhikari B. Asparagus (Asparagus officinalis): Processing effect on nutritional and phytochemical composition of spear and hard-stem byproducts. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.08.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Hydrothermal treatments enhance the solubility and antioxidant characteristics of dietary fiber from asparagus by-products. FOOD AND BIOPRODUCTS PROCESSING 2019. [DOI: 10.1016/j.fbp.2018.12.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Schäfer J, Wagner S, Trierweiler B, Bunzel M. Characterization of Cell Wall Components and Their Modifications during Postharvest Storage of Asparagus officinalis L.: Storage-Related Changes in Dietary Fiber Composition. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:478-486. [PMID: 26671648 DOI: 10.1021/acs.jafc.5b05575] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Changes in cell wall composition during storage of plant foods potentially alter the physiological effects of dietary fiber components. To investigate postharvest cell wall modifications of asparagus and their consequences in terms of insoluble dietary fiber structures, asparagus was stored at 20 and 1 °C for different periods of time. Structural analyses demonstrated postharvest changes in the polysaccharide profile, dominated by decreased portions of galactans. Increasing lignin contents correlated with compositional changes (monolignol ratios and linkage types) of the lignin polymer as demonstrated by chemical and two-dimensional nuclear magnetic resonance (2D-NMR) methods. Depending on the storage time and temperature, syringyl units were preferentially incorporated into the lignin polymer. Furthermore, a drastic increase in the level of ester-linked phenolic monomers (i.e., p-coumaric acid and ferulic acid) and polymer cross-links (di- and triferulic acids) was detected. The attachment of p-coumaric acid to lignin was demonstrated by 2D-NMR experiments. Potential consequences of postharvest modifications on physiological effects of asparagus dietary fiber are discussed.
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Affiliation(s)
- Judith Schäfer
- Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, Karlsruhe Institute of Technology (KIT) , Adenauerring 20a, 76131 Karlsruhe, Germany
| | - Steffen Wagner
- Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, Karlsruhe Institute of Technology (KIT) , Adenauerring 20a, 76131 Karlsruhe, Germany
| | - Bernhard Trierweiler
- Max Rubner-Institut (MRI) , Department of Safety and Quality of Fruit and Vegetables, Haid-und-Neu-Straße 9, 76131 Karlsruhe, Germany
| | - Mirko Bunzel
- Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, Karlsruhe Institute of Technology (KIT) , Adenauerring 20a, 76131 Karlsruhe, Germany
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Fuentes-Alventosa J, Rodríguez-Gutiérrez G, Jaramillo-Carmona S, Espejo-Calvo J, Rodríguez-Arcos R, Fernández-Bolaños J, Guillén-Bejarano R, Jiménez-Araujo A. Effect of extraction method on chemical composition and functional characteristics of high dietary fibre powders obtained from asparagus by-products. Food Chem 2009. [DOI: 10.1016/j.foodchem.2008.07.075] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Rodríguez R, Jiménez A, Fernández-Bolaños J, Guillén R, Heredia A. Dietary fibre from vegetable products as source of functional ingredients. Trends Food Sci Technol 2006. [DOI: 10.1016/j.tifs.2005.10.002] [Citation(s) in RCA: 213] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Physical, chemical, histological and microbiological changes in fresh green asparagus (Asparagus officinalis, L.) stored in modified atmosphere packaging. Food Chem 2005. [DOI: 10.1016/j.foodchem.2004.06.030] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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