BIOCHEMICAL PROFILE OF BACTERISED CALLI AND EMBRYOGENIC CALLI OF OIL PALM (Elaeis guineensis Jacq.)

Lim, Shey-Li

doi:10.21894/jopr.2018.0034

Cited by 3 publications

(8 citation statements)

References 27 publications

(34 reference statements)

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Section: Discussionmentioning

confidence: 99%

“…Starch accumulation in embryogenic cells or in neighboring cells is related to the acquisition of embryogenic competence (Balzon et al, 2013;Silva et al, 2014;Lim et al, 2018). The starch produced in cells provides high levels of ATP, which is the energy source for cells and they are used in cell metabolism for intense cell division and subsequent development of embryos (Silva et al, 2014;Lim et al, 2018). The presence and amount of starch can vary depending on the phase of embryo development because, during cell division and embryo development, this compound (starch) is consumed (Balzon et al, 2013).In embryogenic cells of Elaeisguineensis (Steinmacher et al, 2011;Pádua et al, 2013) storage of starch granules during embryogenesis is commonly observed.…”

Section: Discussionmentioning

confidence: 99%

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Induction and Maintenance of Embryogenic Characteristics of Callus of the Oil Palm Hybrid Manicoré

et al. 2021

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Large-scale oil palm propagation (Elaeis guineensis Jacq.) is difficult due to its unique apical meristem. In this context, micropropagation allows the multiplication of seedlings in vitro and the storage of germplasm elites. This study aimed to induce embryogenic calluses from leaves of oil palm plants in low concentrations of auxins and to observe the maintenance of these characteristics during in vitro cultivation. Calluses were induced in 0.5 cm leaf explants in Y3 culture medium supplemented with Picloram (4-Amino-3,5,6-trichloro-2-pyridinecarboxylic acid) or 2,4-D (2,4-dichlorophenoxyacetic acid), at concentrations of 0, 1, 3, 6, and 9 mg L-1. The callus with embryogenic appearance was subcultured and evaluated regarding maintenance of embryogenic characteristics by cytochemical analyses. The best treatment for induction of calluses was composed of 1mg.L-1 of Picloram, which led to 30% callus formation. The calluses were classified into4 types, based on color and morphology. The cells of calluses with nodular and beige appearance have embryogenic characteristics, and the embryogenic potential of the cell masses was maintained over the 20 months of cultivation. This differentiated adaptation to the protocol can allow the advance in the mass propagation of oil palm through tissue culture, indicating the importance of investigating the topics proposed by the research.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Induction and Maintenance of Embryogenic Characteristics of Callus of the Oil Palm Hybrid Manicoré

et al. 2021

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“…Stress is one of the factors that promote embryogenic cell differentiation. Lim et al (2018a) reported that the detection of phenolic compounds in inoculated oil palm callus and embryogenic callus could be indicated as one of the stress factors for plant cells. The phenolic compounds benefit plant cells as modulators for IAA synthesis, where phenolic compounds inhibit the enzymatic oxidation of IAA and results in plant cell division and differentiation (Loṕez Arnaldos et al, 2001).…”

Section: Pgpr Promotes Somatic Embryogenesismentioning

confidence: 99%

“…To promote plant growth, one of the important compounds is amino acid, which is essential in protein synthesis (Vidal and Gutierrez, 2008). Lim et al (2018a) showed an increase in total amino acid content and biomass at day 30 after treatment of callus with H. seropedicae Z78 pellet cells, suggesting an accelerated rate of formation of friable embryogenic callus. The increase in total free amino acids in tissue may be due to increased metabolic activities in plant cultures, leading to cell division and increased cellular biomass in somatic embryogenesis (Feher et al, 2003).…”

Section: Biochemical Activities Of Inoculated In Vitro Oil Palmmentioning

confidence: 99%

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Biotization of in vitro oil palm (Elaeis guineensis Jacq.) and its plant-microbe interactions

et al. 2023

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Continuous discovery of novel in vitro plant culture practices is always essential to promote better plant growth in the shortest possible cultivation period. An alternative approach to conventional micropropagation practice could be achieved through biotization by inoculating selected Plant Growth Promoting Rhizobacteria (PGPR) into the plant tissue culture materials (e.g., callus, embryogenic callus, and plantlets). Such biotization process often allows the selected PGPR to form a sustaining population with various stages of in vitro plant tissues. During the biotization process, plant tissue culture material imposes developmental and metabolic changes and enhances its tolerance to abiotic and biotic stresses, thereby reducing mortality in the acclimatization and pre-nursery stages. Understanding the mechanisms is, therefore crucial for gaining insights into in vitro plant-microbe interactions. Studies of biochemical activities and compound identifications are always essential to evaluate in vitro plant-microbe interactions. Given the importance of biotization in promoting in vitro plant material growth, this review aims to provide a brief overview of the in vitro oil palm plant-microbe symbiosis system.

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Proposal for a new method for sustainable and advanced utilization of oil palm trunk waste

Horiyama,

Fujimoto,

Kojiro

et al. 2023

Bioresour. Bioprocess.

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A method to more easily separate vascular bundles and parenchyma was investigated for the purpose of proposing a sustainable and advanced utilization of oil palm trunk (OPT). In addition, particleboard made from vascular bundles was produced as one of the effective ways to utilize the obtained vascular bundles. The following results were obtained. A Zephyr rolling equipment was used for separation, and it was found that the vascular bundles could be easily separated with the veneer in a dry state. SEM observations showed that the vascular bundles could be separated while maintaining the tissue structure. However, some parenchyma remained on the surface of the vascular bundles. The presence of starch was also confirmed within the parenchyma. Particleboard was produced using the separated vascular bundles. The MOR and MOE of the three-layered particleboards with long vascular bundles obtained by Zephyr treatment were about 74.2 MPa and 7.3 GPa, respectively, which are much higher than those of previous wood materials made from OPTs. These results may be the result of extracting the potential of vascular bundles. Graphical Abstract

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BIOCHEMICAL PROFILE OF BACTERISED CALLI AND EMBRYOGENIC CALLI OF OIL PALM (Elaeis guineensis Jacq.)

Abstract: Recent approaches have been made with regard to successful association of in vitro

Cited by 3 publications

References 27 publications

Induction and Maintenance of Embryogenic Characteristics of Callus of the Oil Palm Hybrid Manicoré

Induction and Maintenance of Embryogenic Characteristics of Callus of the Oil Palm Hybrid Manicoré

Biotization of in vitro oil palm (Elaeis guineensis Jacq.) and its plant-microbe interactions

Proposal for a new method for sustainable and advanced utilization of oil palm trunk waste

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