Establishment, Multiplication, and Biochemical Analysis of Embryogenic Lines of the Amazonian Palm Euterpe precatoria Mart. under Suspension Culture

The palm Euterpe precatoria holds great social, cultural, and environmental importance. The heart of palm and the fruit are the main products used for industrialization due to their energetic properties. Thus, the aim of this study was to establish a suspension cultivation protocol for the species u...

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Veröffentlicht in:Forests 2024-10, Vol.15 (10), p.1804
Hauptverfasser: Vasconcelos, Alexandro Dias Martins, Ferreira, Jéssica Cristina Barbosa, Meira, Rennan Oliveira, Silva-Cardoso, Inaê Mariê de Araújo, Neves, Joane dos Santos, Souza, Anderson Marcos de, Souza, André Luís Xavier de, Scherwinski-Pereira, Jonny Everson
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container_issue 10
container_start_page 1804
container_title Forests
container_volume 15
creator Vasconcelos, Alexandro Dias Martins
Ferreira, Jéssica Cristina Barbosa
Meira, Rennan Oliveira
Silva-Cardoso, Inaê Mariê de Araújo
Neves, Joane dos Santos
Souza, Anderson Marcos de
Souza, André Luís Xavier de
Scherwinski-Pereira, Jonny Everson
description The palm Euterpe precatoria holds great social, cultural, and environmental importance. The heart of palm and the fruit are the main products used for industrialization due to their energetic properties. Thus, the aim of this study was to establish a suspension cultivation protocol for the species using different explant sources. For this, eight lineages of E. precatoria embryogenic calluses were tested, with five in liquid medium Murashige and Skoog (MS) with 5 μM Picloram and three for comparison in semisolid medium MS with 20 μM Picloram and 5 μM 2iP. The growth curve was obtained by weighing the calli from 60 to 180 days of cultivation. The Gompertz model was applied, and growth kinetics were evaluated. At 100 days, the contents of total soluble sugars (TSSs) and total soluble proteins (TSPs) were determined. Principal components (PCA) were measured. According to the analysis of the data, the cultivation of E. precatoria lineages in liquid medium was successfully carried out, and the establishment was achieved. The model can be considered adequate since the R2 values found describe more than 90% of the growth kinetics of the lineages. In the liquid system, lineages L1 (from leaf explants and multiplied in semisolid medium—SM), L2 (from leaf explants and multiplied in SM), and L6 (from zygotic embryo explants and multiplied in liquid medium—LM) showed the shortest time to double the biomass accumulation. Multivariate analysis reveals a significant increase in masses in liquid cultures, represented by lineages L6 and L2. There was statistical difference in the amount of TSSs extracted; the highest TSS levels were observed in lineages cultivated in LM. The protein content found was very low, showing statistical differences among the lineages. In this work, the establishment and multiplication of embryogenic calli of E. precatoria are described for the first time, and they emerge as viable alternatives for the vegetative propagation of the species.
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The model can be considered adequate since the R2 values found describe more than 90% of the growth kinetics of the lineages. In the liquid system, lineages L1 (from leaf explants and multiplied in semisolid medium—SM), L2 (from leaf explants and multiplied in SM), and L6 (from zygotic embryo explants and multiplied in liquid medium—LM) showed the shortest time to double the biomass accumulation. Multivariate analysis reveals a significant increase in masses in liquid cultures, represented by lineages L6 and L2. There was statistical difference in the amount of TSSs extracted; the highest TSS levels were observed in lineages cultivated in LM. The protein content found was very low, showing statistical differences among the lineages. 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The heart of palm and the fruit are the main products used for industrialization due to their energetic properties. Thus, the aim of this study was to establish a suspension cultivation protocol for the species using different explant sources. For this, eight lineages of E. precatoria embryogenic calluses were tested, with five in liquid medium Murashige and Skoog (MS) with 5 μM Picloram and three for comparison in semisolid medium MS with 20 μM Picloram and 5 μM 2iP. The growth curve was obtained by weighing the calli from 60 to 180 days of cultivation. The Gompertz model was applied, and growth kinetics were evaluated. At 100 days, the contents of total soluble sugars (TSSs) and total soluble proteins (TSPs) were determined. Principal components (PCA) were measured. According to the analysis of the data, the cultivation of E. precatoria lineages in liquid medium was successfully carried out, and the establishment was achieved. The model can be considered adequate since the R2 values found describe more than 90% of the growth kinetics of the lineages. In the liquid system, lineages L1 (from leaf explants and multiplied in semisolid medium—SM), L2 (from leaf explants and multiplied in SM), and L6 (from zygotic embryo explants and multiplied in liquid medium—LM) showed the shortest time to double the biomass accumulation. Multivariate analysis reveals a significant increase in masses in liquid cultures, represented by lineages L6 and L2. There was statistical difference in the amount of TSSs extracted; the highest TSS levels were observed in lineages cultivated in LM. The protein content found was very low, showing statistical differences among the lineages. In this work, the establishment and multiplication of embryogenic calli of E. precatoria are described for the first time, and they emerge as viable alternatives for the vegetative propagation of the species.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/f15101804</doi><orcidid>https://orcid.org/0000-0001-6271-332X</orcidid><orcidid>https://orcid.org/0000-0002-5582-5371</orcidid><oa>free_for_read</oa></addata></record>
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source MDPI - Multidisciplinary Digital Publishing Institute; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Analysis
Biochemical analysis
Charcoal
Cultivation
Embryos
Ethylenediaminetetraacetic acid
Euterpe precatoria
Explants
Fruit cultivation
Growth kinetics
Kinetics
Leaves
Multiplication
Multivariate analysis
Picloram
Plant propagation
Principal components analysis
Propagation
Proteins
Semisolids
Statistical analysis
Sucrose
Suspension culture
title Establishment, Multiplication, and Biochemical Analysis of Embryogenic Lines of the Amazonian Palm Euterpe precatoria Mart. under Suspension Culture
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