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All Journal Jurnal Kimia (Journal of Chemistry) JURNAL BIOLOGI INDONESIA
W. T. Artama, W. T.
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Biochemistry, Genetics & Molecular Biology Chemistry

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Kemampuan Primer General CK4/CK2 Virus Infectious Bronchitis (IBV) untuk Mengaplifikasi Genom IBV Isolat Lapang Indonesia Dharmayanti, N.L P.I.; Asmara, W.; Artama, W. T.; Indriani, R.; Darminto, Darminto
JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i3.3473

Abstract

ABSTRACTCapability of general primer CK4/CK2 infectious bronchitis virus (IBV) to amplify of genomic IBV field isolates in Indonesia. Avian infectious bronchitis virus (IBV), the prototype of coronaviridae, is highly contangius, economically important pathogen of the chickens. Comparative sequence analysis of IBV S1 gene revealed regions that were conserved among serotypes. Two of conservesd region were used to develop degenarate general primer CK4/CK2 for amplifying IBV genomic RNA by RT-PCR. The aims of this study to demonstrated ability of general primer CK4/CK2 for amplified S1 gene IBV field isolates in Indonesia. The result of this is study suggest that only three IBV field isolates that can be amplified by primer CK4/CK2 that are I-14, I-37 and I-269.Key words: Capability, general primer CK4/CK2, infectious bronchitis virus, field isolates
KEMAMPUAN PRIMER GENERAL CK4/CK2 VIRUS INFECTIOUS BRONCHITIS (IBV) UNTUK MENGAPLIFIKASI GENOM IBV ISOLAT LAPANG INDONESIA Dharmayanti, N.L P.I.; Asmara, W.; Artama, W. T.; Indriani, R.; Darminto, Darminto
JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i3.3473

Abstract

ABSTRACTCapability of general primer CK4/CK2 infectious bronchitis virus (IBV) to amplify of genomic IBV field isolates in Indonesia. Avian infectious bronchitis virus (IBV), the prototype of coronaviridae, is highly contangius, economically important pathogen of the chickens. Comparative sequence analysis of IBV S1 gene revealed regions that were conserved among serotypes. Two of conservesd region were used to develop degenarate general primer CK4/CK2 for amplifying IBV genomic RNA by RT-PCR. The aims of this study to demonstrated ability of general primer CK4/CK2 for amplified S1 gene IBV field isolates in Indonesia. The result of this is study suggest that only three IBV field isolates that can be amplified by primer CK4/CK2 that are I-14, I-37 and I-269.Key words: Capability, general primer CK4/CK2, infectious bronchitis virus, field isolates
THE EFFECT OF THE D185 MUTATION ON THE STABILITY AND FUNCTIONALITY OF RUBISCO LIKE PROTEIN (RLP) FROM CHROMOHALOBACTER SALEXIGEN BKL 5 Sudarmanto, I.; Rohman, M. S.; Artama, W. T.
Jurnal Kimia (Journal of Chemistry) Vol. 18, No.1, Januari 2024
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JCHEM.2024.v18.i01.p01

Abstract

In the case of Rubisco Like Protein (RLP) Chromohalobacter salexigen BKL 5 (RLP CS), which is halophilic, the presence of salt bridges (SB) is not too numerous but efficient enough to maintain stability in high salt stress. This study was to determine the effect of mutations SB at position 185 (D185/WT) on the stability and activity of RLP CS through an in-silico approach by replacing aspartic acid with glutamic acid and alanine (D185E and D185A). The methods used were Molecular Dynamics Simulations (MDS) and Molecular Docking (MD). The MDS was used to study molecular characteristics at the atomic level, while MD was for the interaction patterns of proteins and ligands. The results of the MDS analysis carried out at 10ns showed that the mutation at position 185 with alanine and glutamic acid changed the size/dimensional of RLP CS and affected its overall geometric structure. Interestingly, even though the structure has changed, the activity of the protein remains relatively constant, which is indicated by the results of MD, and has a relatively similar binding energy value of around -6.3 Kcal/mol. Keywords: Chromohalobacter salexigen BKL 5, molecular docking, molecular dynamic simulation, mutation, saltbridge
Co-Authors Darminto . Dharmayanti, N.L P.I. Dharmayanti, N.L P.I. R. Indriani Rohman, M. S. Sudarmanto, I. W. Asmara