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INDONESIA
ANNALES BOGORIENSES
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 05178452     EISSN : 24077518     DOI : -
Core Subject : Health, Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology Medicine & Pharmacology
The Annales Bogorienses (ISSN: 0517-8452, E-ISSN: 2407-7518) is a peer-reviewed Journal that is published biannually. First published in 1955, it is now one of the oldest scientific journal in the nation. The Annales Bogorienses publishes original articles in basic and applied research as well as critical reviews and short communication in the fields of life sciences with the emphasis in biotechnology, molecular biology, and biochemistry.
Arjuna Subject : -
Articles 540 Documents
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Sensitivity Improvement of A Direct Competitive Elisa for Atrazine by Exploiting Low Cross-Reactivity of An Atrazine-Specific Recombinant Antibody Fab-Fragment Kusharyoto, Wien; Schmid, Rolf D.
ANNALES BOGORIENSES Vol 9, No 1 (2004): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3557.578 KB) | DOI: 10.1234/2

Abstract

The hapten-binding site of the antibody Fab-fragment K411 B specific towards the herbicide atrazine (2-cllloro-4-(ethylamino)-6-(isopropyJamjno)- 1,3,5-triazine) was modified by means of structural modeling and site-directed mutagenesis. A triple mutant (GlnL89GlulValH3711e/GluL3Val) of the Fab-fragment showed an increased affinity towards the hapten HlCVC6 (4-arnino-6-chloro-l ,3,5-triazine-2-(6-aminohexanecarboxylic acid» compared to the affinity ofthe wild-type Fab-fragment lowards the same hapten. However, the mutant exhibited substantially lower affinity towards the hapten H/CVC6 Ihan towards atrazine and the hapten iPr/ CVC6 (4-chloro-6-(isopropylamino)-1,3,5-triazioe-2-(6-aminohexanecarboxylic acid», which is usual ly used in the synthesis of enzyme tracers in ELISA for atrazine. Advantage was taken of the low cross-reactivity and increased affinity of the mutant Fab fragment towards H/CVC6 to improve the sensitivity of a direct-competitive ELISA tor atrazine. HlCIlC6 was covalently conjugated with horseradish peroxidase (HRP), and the conjugate H/CI/C6-HRPwas used as enzyme tracer in the ELISA for atrazine. An eight-fold improvement in sensitivity ofa direct-competitive ELISA for atrazine could be achieved using the tracer H/CVC6-HRP compared to the sensitivity of ELISA using the tracer iPr/CVC6-HRP. The detection limit for atrazine was as low as 0.01 i g/l. 
Front Cover AB Vol 20 No 2 (2016) Dzikri, Muhamad
ANNALES BOGORIENSES Vol 20, No 2 (2016): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.475 KB) | DOI: 10.14203/ab.v20i2.274

Abstract

Editorial Boards AB Vol 21 No 2 (2017) Rahmawati, Syamsidah
ANNALES BOGORIENSES Vol 21, No 2 (2017): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/ab.v21i2.318

Abstract

Isolation, Identification, and Evaluation of Antimicrobial Activity of Active Compound Produced by Marine Actinomycetes isolate A32 Sunaryanto, Rofiq; Marwanta, Edy
ANNALES BOGORIENSES Vol 19, No 2 (2015): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1111.48 KB) | DOI: 10.14203/ab.v19i2.216

Abstract

Isolation, identification, and evaluation of antimicrobial activity of active compound produced by marine actinomycetes isolate A32 has been conducted. Production of active compound using isolate A32 was conducted by glucose, yeast, peptone medium. The fermentation was carried out at 30ºC for 5 days. The broth of supernatant was extracted using ethyl acetate. Purification of active compound used column chromatography and eluted stepwise with the chloroform and methanol solvent. Antimicrobial activity was monitored by the agar diffusion, and microbial test used as followed Escherichia coli ATCC 25922, Staphylococcus aureus ATCC25923, Bacillus subtilis ATCC 66923, and Candida albican BIOMCC00122. Results of isolation and purification of active compound produced by isolate A32 showed that this compound has a molecular weight of 503.1 g/mol with molecular formula C26H37N3O7. Analysis of spectrum using 1HNMR and COSY, this compound was suspected as Madumycin II. The antibacterial activity assay showed that this active compound was able to inhibit to the growth of Staphylococcus aureus ATCC25923 and Candida albican BIOMCC00122.
Somatic Embryo Germination of Jatropha curcas L in Presence of Sucrose and Poly Ethylene Glycol (PEG) Rudiyanto, Rudiyanto; Efendi, Darda; Ermayanti, Tri Muji
ANNALES BOGORIENSES Vol 18, No 1 (2014): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (723.325 KB) | DOI: 10.1234/91

Abstract

Jatropha curcas L. is a potential source of a non-edible biofuel. Conventional propagation of J. curcas technique has some limitations. Somatic embryo can produce a large number of embryos and obtain a large number of plants all year round. Treatment of sucrose in combination with polyethylene glycol (PEG) was proven to enhance germination of somatic embryos in many plant species. The aim of the study was to investigate the effect of sucrose in combination of PEG on somatic embryo germination in J. curcas. Globular somatic embryos at 0.025-0.030 g fresh weight having 0.4-0.5 cm in diameter were grown on MS medium solidified with 3 g/l of Gelzan supplemented with sucrose at 20, 30, 40, and 50 g/l in combination with PEG at 0, 2.5, 5, 10, and 15%. Results showed that the best medium for germination of J. curcas somatic embryo cultures was MS medium supplemented with 20 and 30 g/l of sucrose in combination with 5% of PEG. The numbers of germinated embryos per clump had significant enhancement on those medium compared with the control (PEG free treatment) (2.65 to 5.65) and (2.55 to 5.50). In addition, those treatments resulted in the highest percentage of clumps forming germinated embryos (100%), with an average of normal germinated embryos at 94.163 and 96.065%. The addition of 40 and 50 g/l of sucrose in combination with 15% of PEG caused all embryos to fail at germinating.
In vitro Growth Response of Taraxacum Officinale Weber ex F.H. Wigg Regenerated from Different Type of Explants Ermayanti, Tri Muji; Martin, Andri Fadillah
ANNALES BOGORIENSES Vol 15, No 1 (2011): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/31

Abstract

Dandelion (Taraxacum officinale Weber ex F.H. Wigg) is a medicinal plant species, reported to have some active compounds useful as anti-cancer, anti-inflammatory, antioxidants, and diuretics. Study on in vitro secondary metabolic production and tissue culture of these plants has been reported. This research was aimed to investigate plant regeneration from leaf blade, petiole and root as explants grown in selected media. Three different type of explants were cultured in MS solid medium supplemented with BAP (0, 0.5, and 1.0 mg/l) combined with NAA (0, 0.5, 1.0, and 2.0 mg/l) to select the best medium for spontaneous regeneration. Explants were grown for 6 weeks, the viability of explants, and formation of callus, shoots as well as roots were recorded. The results showed BAP at 1 mg/l combined with at 0.5 mg/l of NAA was suitable for shoot formation, whereas NAA alone was suitable for root formation from leaf blade and petiole. Root was the best explant for shoot regeneration, callus was grown at the first two weeks, and multiple shoots were grown after 3 weeks. No roots were found from root explant. The best medium for multiple shoot regeneration was MS containing 1 mg/l BAP without or with addition of 0.5 mg/l NAA.Keywords: Taraxacum officinale Weber ex F.H. Wigg, growth response, plant growth regulators, different explants, regeneration
Editorial Boards AB Vol 20 No 1 (2016) Anugerah, Muhamad Dzikri
ANNALES BOGORIENSES Vol 20, No 1 (2016): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/ab.v20i1.261

Abstract

Identification of Differentially Expressed cDNA in Cassava under Drought Stress Using cDNA-RAPD Approach Hartati, N Sri; Supatmi, Supatmi; Aryaningrum, Pramesti Dwi; Sudarmonowati, Enny
ANNALES BOGORIENSES Vol 17, No 1 (2013): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/72

Abstract

Cassava is an important carbohydrate source that provides food security and alternative renewable energy development. This plant is naturally drought tolerant, but there is a wide variation within cassava genotypes in their ability to maintain high yield and starch production under drought stress. It has been reported that cassava clones with leaf retention or stay green trait can produce more total fresh biomass and high root dry matter compared to drought susceptible cultivars. The genetic, biochemical and molecular bases of stay green trait need to be understood to develop drought resistant cassava cultivars since water stress limits yield and starch production. Differential Display (DD)RT-PCR is a powerful technique for analyzing differences in gene expression. The method is based on the detection of the differentially expressed cDNAs from two or more samples. The main objective of this study was to identify differentially expressed cDNA in cassava under drought stress by employing a cDNA-RAPD approach. In this study, we used cassava genotype Ubi Kuning which was considered the most responsive to water insufficiency (45 days without watering). Leaf samples were collected from water stressed and well-watered plants at day 45. Among 11 random primers, OPB03 and OPH17 have identified differentially expressed cDNA in Ubi Kuning. Further characterization of these PCR products of expressed cDNA under drought stress may open possibility the development of cassava with improved drought resistance through genetic engineering and/or marker assisted selection (MAS).
Motif Ii of Japanese Encephalitis Vius Ns3 Pro is Not Essential for Rna Binding Activit Utama, Andi; Shimizu, Hiroyuki
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2930.744 KB) | DOI: 10.1234/19

Abstract

The role of motif n  (DEAR AsPw-GlulK,,-Ala.,.7-Hi  1~~  )  of Japanese encephalitis  virus (JEV) NS3 protein on RNA binding activity was studied. A point mutation was introduced to  the motif and  the RNA binding activity of each mutant protein was analyzed. Truncated form of each protein with a His-tag was expressed m Escherichia coli BL2l(DE3) pLysS and purified by metal affinity resin. Asp-285 - and Glu-286 was respectively substituted with Ala, AJa-287 was replaced by Cys.,Gly.  or ser. His-288 was mutated to other 19 amino acids. In total. 24 mutant proteins were produced and analyzed. AL results, all mutants showed quite similar RNA binding activity.  Indicating that motif II of JEY NS3 is not related to RNA binding activity. The same finding was reported for hepatitis C virus c (Hey) NS3 protein, suggesting the similar structure of NS3 protein in flavivirus .Keywords: Japanese encephalitis, R.binding, motif
Glucoamylase Production by Aspergillus awamori KT-11 In Solid State Fermentation Using Cassava Peel as Substrate Perwitasari, Urip; Nuryati, Nuryati; Melliawati, Ruth; Yopi, Yopi
ANNALES BOGORIENSES Vol 21, No 1 (2017): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.187 KB) | DOI: 10.14203/ab.v21i1.290

Abstract

In order to utilization of cassava peel waste this study tries to produce glucoamylase by solid state fermentation with Aspergillus awamori KT-11. Composition medium and drying technique are affecting the glucoamylase production. The highest glucoamylase activities were from cassava peel plus mineral medium. Activity glucomaylase in cassava peel plus mineral medium by oven drying was 365 U/mL and freeze dring was 452 U/mL.  It is conclud cassava peel plus mineral is a better substrate for glucoamylase production from A. awamori KT-11 in solid state fermentation. Powder of glucoamylase also proved capable of hydrolyzing starch-based biomass. 

Page 8 of 54 | Total Record : 540

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