Chikungunya is one of the current infectious, re-emerging diseases. Chikungunya virus (CHIKV) infection can cause some non-specific symptoms such as fever, arthralgia, and myalgia, similar to dengue and zika virus infection. The similarity of the symptoms frequently makes the diagnosis inaccurate. Therefore, a rapid and accurate diagnostic method such as an antibody-based Rapid Diagnostic Test (RDT) is needed to prevent a late or inaccurate diagnosis that can cause prolonged effects of infection. This study aims to obtain a recombinant clone colony of P. pastoris X-33 as an initial step for antibody-based RDT kit development. This study includes the transformation and the Mut+ phenotype confirmation of recombinant clones. The recombinant plasmid pPICZaA-E2 was transformed and integrated into P. pastoris X-33 genome using the electroporation method. After screening process through genome PCR, four positive recombinant clones colonies were analyzed in minimal dextrose and methanol media for Mut+ confirmation. Visualization of PCR colony shows two bands were formed in the size of 2.200 bp corresponding to the P. pastoris genome’s AOX1 gene and 1.848 bp corresponding to recombinant plasmid’s AOX1 gene that indicates the recombinant plasmid pPICZaA-E2 was integrated into the genome. All of the recombinant clones colonies grew well in minimal dextrose and minimal methanol media. Based on the results, it can be predicted that the Mut+ phenotype of P. pastoris recombinant clone was successfully obtained. However, gene sequencing must be done as a further step to confirm the presence of the recombinant DNA and the AOX1 gene in P. pastoris.
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23 July 2021
PROCEEDINGS OF THE 6TH INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2020 (ISCPMS 2020)
27–28 October 2020
Depok, Indonesia
Research Article|
July 23 2021
Transformation of pPICZaA-E2 to Pichia pastoris X-33 and Mut+ phenotype analysis
F. Shabihah;
F. Shabihah
1
Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia
, Depok 16424, Indonesia
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S. Pambudi;
S. Pambudi
2
Center of Pharmaceutical and Medical Technology, Agency for the Assessment and Application of Technology (BPPT)
, Puspiptek - Serpong, Tangerang Selatan 15310, Indonesia
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F. A. Sitepu;
F. A. Sitepu
1
Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia
, Depok 16424, Indonesia
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C. Ikhsan;
C. Ikhsan
1
Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia
, Depok 16424, Indonesia
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B. Yohan;
B. Yohan
3
Eijkman Institute for Molecular Biology, Ministry of Research and Technology
, Jl. Diponegoro 69, Jakarta 10430, Indonesia
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R. Lestari
R. Lestari
a)
1
Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia
, Depok 16424, Indonesia
a)Corresponding author: retno.lestari@sci.ui.ac.id
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a)Corresponding author: retno.lestari@sci.ui.ac.id
AIP Conf. Proc. 2374, 050006 (2021)
Citation
F. Shabihah, S. Pambudi, F. A. Sitepu, C. Ikhsan, B. Yohan, R. Lestari; Transformation of pPICZaA-E2 to Pichia pastoris X-33 and Mut+ phenotype analysis. AIP Conf. Proc. 23 July 2021; 2374 (1): 050006. https://doi.org/10.1063/5.0059271
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