Cinchona cells performance in in vitro culture: quinine alkaloid production with application of different elicitors

4th International Conference on Agricultural and Biological Sciences

农业科学;生物科学

Pratiwi, D.R.^1 ; Sumaryono^2 ; Sari, P.T.^3 ; Ratnadewi, D.^4

Plant Biology Study Program, School of Post-Graduate Program, Bogor Agricultural University, Darmaga Campus, Bogor

16680, Indonesia^1

Indonesian Research Institute for Biotechnology and Bioindustry, Jalan Taman Kencana No.1, Bogor

16128, Indonesia^2

Biology Undergraduate Study Program, Bogor Agricultural University, Darmaga Campus, Bogor

16680, Indonesia^3

Department of Biology, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Darmaga Campus, Bogor

16680, Indonesia^4

关键词: Abscisic acid;    Cultured cell;    Different shapes;    Paclobutrazol;    Plant material;    Secondary metabolites;    Stress condition;    Stress-inducing agents;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/185/1/012029/pdf
DOI  :  10.1088/1755-1315/185/1/012029

来源: IOP

【 摘 要 】

Quinine is a dominant alkaloid in Cinchona ledgeriana. It is widely used in anti-malaria, anti-cramping, and anti-arrhythmia medication. In addition, it is commercially demanded for its bitter taste in certain soft drinks. The main source of quinine is the bark of Cinchona plant, which consists of 4-7% of the alkaloid. Land use shifting from perennial trees to cash-crops has resulted in a shortage of the plant material for quinine extraction. Plant cell culture has proven its success in producing secondary metabolites, including alkaloids. In principle, plant cells synthesize secondary metabolites when they are exposed to stress conditions. Therefore, in cell culture of C. ledgeriana, two stress-inducing agents i.e. abscisic acid (ABA) and paclobutrazol (PBZ) in combination with mannitol or sorbitol were applied to increase quinine yield. ABA and PBZ depressed the cells growth. Sorbitol caused more stress to cells than mannitol. Its combination with ABA 3 mgL-1 or with PBZ 7 mgL-1, mixed three weeks after culture, produced the highest concentration of quinine followed by mannitol with ABA 3 mgL-1 or PBZ 7 mgL-1 combined at the third week after culture. Cultured cells showed three different shapes: round, oval, and elongated. The elongated shape pre-dominated in the mature cells culture, while round cells pre-dominated in young cells culture. Those mature cells were found to contain alkaloids.