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Annales Bogorienses
Published by Badan Riset dan Inovasi Nasional
ISSN : 05178452     EISSN : 24077518     DOI : https://doi.org/10.55981/ann.bogor
Core Subject :
Annales Bogorienses aims to disseminate high-quality scientific research in the field of life sciences, with a strong emphasis on advancing knowledge and applications in biotechnology, molecular biology, biochemistry, bioinformatics, and bioengineering. The journal serves as a platform for researchers, academicians, and practitioners to share original findings, innovative methodologies, and critical reviews that contribute to scientific progress and sustainable development. The journal covers research in biotechnology, molecular biology, biochemistry, bioinformatics, and bioengineering. It publishes original research articles, reviews, and short communications, and is committed to rigorous peer review and open access for the widest possible dissemination of scientific knowledge.
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Articles 189 Documents
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Identification of Aquatic Plant Species from Bantimurung Waterfall and Their Phytochemical Compounds Analysis Nugraha, Media Fitri Isma; Maharani, Fasya Hadaina; Novita, Hessy; Rajamuddin, Muh Alias L; Yunita, Rossa; Reflinur, Reflinur; Enggarini, Wening; Julzarika, Atriyon; Elya, Berna
Annales Bogorienses Vol. 23 No. 1 (2019): Annales Bogorienses
Publisher : BRIN

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Abstract

A total of 21 aquatic plant species were collected from Bantimurung waterfall areas, South Sulawesi, Indonesia, in October 2017. These plant materials were subjected to both species and phytochemicals identification. The aims of this study were to determine the species or taxonomic rank of Indonesian aquatic plants collected from Bantimurung waterfall, South Sulawesi, Indonesia and to identify their chemical compounds (phytochemicals) as a candidate for new herbal medicine. Plant genetic materials used in this study were collected from Bantimurung Bulusaraung waterfall and were then identified based on standard botanical techniques for species identification in the Herbarium Bogoriense, Research center for Biology Indonesian Institute of Science (LIPI), Cibinong, West Java. The samples were subjected to the phytochemistry screening such as alkaloids, flavonoids, tannins, saponins, glycosides, terpenoids and anthraquinone followed the procedures of Indonesian Materia Medika and Harborne. Results showed that all collected aquatic plant samples were able to be identified, including their species names. Phytochemical screening of each sample revealed the presence of glycoside in all of the tested species. However, no alkaloids, anthraquinones, and terpenoids were observed in those tested plant samples. Of the total 21 aquatic plants, 14 species contained flavonoids, 8 species contained phenol compound, and 10 species contained saponins. Among these species Donnax canniformis possessed good antioxidant activity, which correlated to its total phenolic and flavonoid contents. Our results would be beneficial for any future effort in the development of new herbal drugs derived from aquatic plants.
Understanding the Increased Fruit Content of Soluble Proteins, Sugars, Certain Enzyme Activities, and Certain Polyphenols in Context to Date Fruit Ripening Alqarni, Saad Salman M. Alqarni; Bazzi, Mohammad D.
Annales Bogorienses Vol. 23 No. 1 (2019): Annales Bogorienses
Publisher : BRIN

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Abstract

Introduction: To understand the increased fruit content of soluble proteins, sugars, certain enzymes activities, and certain polyphenols in context to date fruit ripening. Materials and Methods: The study collected four varieties of date fruits from a farm in Riyadh, Saudi Arabia. In it, 10-14-day intervals separated the various stages of maturity. The process of sample preparation and extraction includes the samples of fruits at different stages of maturation. Results and Discussion: The Polyphenols oxidize activity appeared to decline with further maturation of date fruit. There was an increase in the protein content and the reducing sugar in all varieties of dates. The changes in the total sugar and reducing sugar occurred due to the increased enzyme’s activity. Conclusion: The reducing sugar increased in all varieties of the date fruit. The coordination of the enzyme might influence the quality of the ripening of date fruits.
Partial Purification, Characterization, and Application of Extracellular Aspartic Protease from Lactobacillus casei WSP in Producing the Bioactive Peptides with Antibacterial and Antioxidant Activity Solikhin, Akhmad; Mustopa, Apon Zaenal; Suharsono, Suharsono; Putranto, Wendry Setiyadi
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
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Abstract

Lactobacillus casei WSP-derived an aspartic protease was sequentially purified by using chromatography gel filtration sephadex G-50. It resulted in a 22.81-fold increase of specific activity (51.5 U/mg) with a final yield of 1.9%. The estimated molecular weight of the purified enzyme was 37 kDa and showed gelatinolytic activity in zymogram assay. The enzyme exhibited optimum activity at 40ºC and pH 6 with casein as the substrate. Enzyme activity was significantly inhibited by pepstatin A (0.5 mM and 1 mM), confirming that this enzyme is a group of aspartic proteases, while other inhibitors such as EDTA, PMSF and iodoacetic acid showed no inhibition effect on the activity of enzyme. The addition of metal ion to the enzyme decreased enzyme activity, indicating the proteolytic enzyme was metal ion- dependent. Denaturant such as DDT tended to increase caseinolytic activity. Furthermore, this enzyme was capable of generating the new peptides from skimmed milk with the size 8 kDa, 10 kDa and 15 kDa. These peptides have potential as antibacterial and antioxidant agents.
Optimization of Expression Condition, Two Dimensional And Melting Point-Based Characterization of Recombinant Human Interferon Alpha-2a Fusion and Non Fusion Forms Ningrum, Ratih Asmana; Wardhani, Widdya Kusuma; Wahyuni, Ike; Mustopa, Apon Zaenal
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
Publisher : BRIN

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Abstract

Recombinant Human Interferon Alpha-2a (rhIFNα-2a) is a therapeutic protein that used in hepatitis and cancer treatments. In our previous research, we developed higher molecular weight of the protein through human serum albumin fusion. The fusion and non fusion form of rhIFNα-2a were produced in Pichia pastoriswith 86 kDa and 19 kDa in size respectively. In previous research, protein yield was not reproducible due to unoptimized expression conditions. This reseach was aimed to optimize expression condition process and to characterize the fusion and non fusion forms of rhIFNα-2a. The parameters to observe in overproduction include nutrient (media and methanol concentration) and non nutrient (temperature andincubation period). Affinity and size exclusion cromatographicwere compared in protein purification. BCA assay was used to determine quantity of protein. Protein characterization was conducted using two-dimensional SDS PAGE and denaturation analyses. The optimal condition of expression was achieved using complex media with 1% of methanol for 3 day incubation period at 25°C. The protein yield was reproducible and higher comparing to previous research. Affinity chromatography resulted in higher purity of the proteins comparing to size exclusions. Characterization using two dimensional gel analysis revealed that isoelectric point of rhIFNα-2a is 6.5 for fusion form and 6.0 for non fusion form. The melting points of fusion protein were 56°C and 62°C whilst that of non fusion was 56°C.
DNA Condensation Study of Fully Synthesized Lipopeptide-Based Transfection Agent for Gene Delivery Vehicle Tarwadi, Tarwadi; Rachmawati, Heni; Kartasasmita, Rahmana E.; Pambudi, Sabar; Arbianto, Alfan Danny; Restiani, Dewi Esti; Asyarie, Sukmadjaja
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
Publisher : BRIN

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Abstract

The main requirement of transfection agent has to condense DNA in nanoparticle size, protect the DNA from nucleases and other degrading enzymes during its transport in cell cytoplasm and nucleus and should not toxic to target cells. In this research, lipopeptide composed of palmitoyl (C-16) and short peptide sequence have been designed fully synthesized and tested to DNA condensation capability and toxicity. The DNA condensation study was performed using EtBr exclusion assay and cytotoxicity determination was carried out by colorimetric MTT assay. It was revealed that lipopeptide-based transfection agent of Pal-CKKHH and Pal-CKKHH-YGRKKRRQRRR-PKKKRKV condensed DNA molecules efficiently. The lipopeptide was less toxic compared to Lipofectamine and Poly-L-Lysine, that shown by 90% of CHO-K1 cells remained viable when they were treated with 4.36 µM Pal-CKKHHYGRKKRRQRRR-PKKKRKV. Meanwhile, there were only ~75% and 80% of CHO-K1 viable cells when it was treated with PLL and Lipofectamine®2000, respectively. Moreover, cell viability of HepG2 was ~ 75% after treated with 2.18 µM of Pal-CKKHH-YGRKKRRQRRR-PKKKRKV and decreased to ~65% when the lipopeptide concentration increased to 8.72 M. In summary, the synthesized lipopeptide condenses DNA molecules efficiently, less toxic than Lipofectamine®2000 and PLL and has possibility to be explored as a non-viral gene delivery vehicle.
Non Invasive Detection of Dengue Viruses from Saliva: In vitro Study Saksono, Budi
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
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Abstract

In the previous paper, we had succeeded in developing an early detection system of dengue viruses using Sugar liganded Gold Nano Particle (SGNP) only from 6 μL serum. It has been reported that dengue virus is also detected in the saliva and urine of the patient. The evidences lead to the possibility of developing non-invasive methods of dengue virus detection. In this in vitro study, we evaluated the utility of SGNP to capture and concentrate dengue virion in 10% saliva solution. The results showed that dengue virion was successfully detected in 10% of saliva solution. Analysis of virion stability during storage showed that virions in salivary samples were stable up to 3 days at temperature wherease the RNA has significantly degraded. Although still a preliminary study, the data obtained show the prospect of SGNP as a non-invasive dengue virus detection method, as well as the development of POC (Point of Care) method. Clinical trials using saliva from dengue viruses infected patients need to be done to prove the effectiveness of the SGNP method.
Amelioration of Salt Tolerance in Soybean (Glycine Max. L) by Plant-Growth Promoting Endophytic Bacteria Produce 1-Aminocyclopropane-1-Carboxylase Deaminase Simarmata, Rumella; Ngadiman, Ngadiman; Rohman, Saifur; Simanjuntak, Partomuan
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
Publisher : BRIN

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Abstract

Salinity is a major abiotic stress that can induce ethylene synthesis beyond the normal limits as plants response to stress and hence reduces crop productivity. The 1-aminocyclopropane-1-carboxylase deaminase (ACCD)-producing bacteria can reduce excessive ethylene synthesis by taking ACC (ethylene precursor) as a nitrogen source. This study showed the possibility of using endophytic bacteria in order to reduce the undesirable effects of salinity. Strain Pseudomonas putida PIR3C and Roultella terrigena PCM8 exhibited promising performance for promoting the growth of plant under salinity stress conditions. The results showed that bacterial inoculation was effective even in the presence of higher salinity levels. Strain P. putida PIR3C was the most efficient strain compared to the other strains and significantly increased shoot length, root length, dry weight, germination percentage, and reduced stem diameter. The role of ACCD in reducing ethylene production under salinity stress conditions was also studied by measuring the evolution of ethylene in vitro by soybean seeds treated with some ACCD bacterial strain. The maximum ethylene lowering capacity was observed in R. terrigena PCM8, the strain reduced ethylene production from 622.81 nmol.g-1(control) to 352.78 nmol.g-1 (43% reduction). The production of α-ketobutyrate, chlorophyll content and germination percentage from P. putida PIR3C was higher than other strains. The results suggested that strain P. putida PIR3C and R. terrigena PCM8 can be employed for salinity tolerance in soybean seedlings and may have better prospects for an amelioration of stress condition.
Molecular Evaluation for Drought Tolerant Using Marker Assisted Breeding Method Fatimah, Fatimah; Prasetiyono, Joko; Trijatmiko, Kurniawan Rudi; Sustiprijatno, Sustiprijatno
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
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The sustainability and increasing the national rice production require the readiness of food and agriculture sector cope with the impacts of climate change, land degradation, drought area, sloping production and the raising of population growth. Adaptation plays an important role in ensuring the sustainability of food security. This research aimed to develop drought-tolerant variety of Inpari 30 (submergence tolerance variety) and Situ Bagendit through marker-assisted backcrossing-through pyramiding gene of identified QTLs for foreground selection and to explore SSRs and 6K SNPs for background selection distributed in 12 rice chromosome of drought tolerant donor (Cabacu) and recipient rice (Inpari 30 and Situ Bagendit). The foreground selection revealed that flanking SSRs of each QTLs (qRPF2.1, qGPP2.1, qSPP4.1 and Sub1) was less than 2 cM. The background selection through polymorphic survey of Rice 6K SNP primers revealed 2457 (53,3%) polymorphic SNPs on Inpari 30 vs Cabacu and 2563 (55,6%) polymorphic SNPs on Situ Bagendit vs Cabacu with the average distance about 0.74 cM/chromosome. The genotypic selection of F1 Inpari 30/Cabacu and F1 Situ Bagendit/Cabacu have already in heterozygote condition for these 4 QTLs target. These lines was continued for backcross breeding to develop BC1F1 Inpari 30/Cabacu and BC1F1 Situ Bagendit/Cabacu generation.
Molecular Docking and Molecular Dynamics Study of Alcoholic Compounds as Mycobactericidal Agents Using InhA, MabA and PanK as Receptors Syahputra, Gita; Arwansyah, Arwansyah; Kusharyoto, Wien
Annales Bogorienses Vol. 22 No. 2 (2018): Annales Bogorienses
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Tuberculosis (TB) infection is one of the primaryinfectious diseases in many developing countries; even there are minor cases in some developed countries. TB infection spread through the air and ismore probable when using improper disinfectant on medical and laboratory equipment which related to TB research. The appropriate disinfectants which are commonly usedin laboratory equipment can reduce the risk of transmission of TB disease. Alcoholic compoundsare one of the common disinfectants with a broad spectrum activity towardsmicrobes,viruses, and fungus. We employed molecular docking and molecular dynamics simulation to support virtual screening and ligand-receptor complex binding observation in searching for an appropriate mycobactericidal agent.Based on the analysis of molecular docking and molecular dynamics, pentadecanol has potency as a mycobactericidal agent with PanK as itsspecific receptor. The Gibbs free energy (∆G) for the interaction of pentadecanol with PanKhas been found to be -5.5 kcal/mol. Molecular dynamics analysis at 300K and 1 atm for 5 ns showed a little change in the confirmation of the binding site, whilepentadecanolwas still being bound by its binding siteon PanK.
Medium Optimization for Antimicrobial Production By Newly Screened Lactic Acid Bacteria Rohmatussolihat, Rohmatussolihat; Lisdiyanti, Puspita; Yopi, Yopi; Widyastuti, Yantyati; Sukara, Endang
Annales Bogorienses Vol. 22 No. 1 (2018): Annales Bogorienses
Publisher : BRIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/ann.bogor.2018.v22.n1.1-11

Abstract

Lactic acid bacteria (LAB) are important for prevention of spoilage and pathogenic bacterial growth in foods due to their ability to generate antimicrobial substances. The objective of this study was to screen LAB for antimicrobial activity and to optimize culture medium for antimicrobial production using Response Surface Methodology (RSM) with Central Composite Design (CCD). Optimization of antimicrobial production of selected LAB was conducted with different combinations of glucose, NaCl, inoculum, and temperature. Our experimental results showed that from 129 LAB isolates, 55 showed significant inhibition against Bacillus subtilis, Escherichia coli, Micrococcus luteus, Staphylococcus aureus, Aspergillus niger, and Candida albicans. No isolates inhibited the growth of Aspergillus flavus. Lactobacillus plantarum LIPI13-2-LAB011 was selected for further study on culture medium optimization to inhibit the growth of C. albicans. From statistical analysis, the production of antimicrobial substances was significantly influenced by temperature, NaCl, and concentration of glucose. Furthermore, the optimum concentrations of glucose, concentration of inoculum, temperature, and NaCl were 1.63 %, 3.03%, 33.74°C, and 3.4%, respectively, with a maximum predicted inhibition index of 1.916, which increased 3.56-fold compared to that obtained in medium before optimization processes. The result was confirmed as when the optimum concentration of nutritions used, the inhibition index increased 3.12-fold.

Page 4 of 19 | Total Record : 189

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