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ANNALES BOGORIENSES

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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.

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Articles 540 Documents

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Back Cover AB Vol 13 No 1 (2009) Puspita Lisdiyanti
ANNALES BOGORIENSES Vol 13, No 1 (2009): 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/ann.bogor.2009.v13.n1.%p

Non Invasive Detection of Dengue Viruses from Saliva: In vitro Study Budi Saksono
ANNALES BOGORIENSES Vol 22, No 2 (2018): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

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.

Expression of An Immunogenic Intimin Fragment of EHEC O157:H7 in Escherichia coli Periplasm under The Control of A Rhamnose-Based Regulated Promoter Hariyatun Hariyatun; Antonius Suwanto; Wien Kusharyoto
ANNALES BOGORIENSES Vol 18, No 1 (2014): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Intimin is the main adhesin of Enterohemorrhagic E. coli (EHEC) O157:H7 bacteria which are the most common leading infectious cause of bloody diarrhea and acute kidney failure in children who develop hemolytic uremic syndrome (HUS). Intimin is required for persistent bacterial colonization to eukaryotic host cell and its receptor-binding activity is localized at the C-terminus 282 amino acids (Intimin282). Thus, Intimin282 is an attractive antigen candidate that could be useful in vaccine and diagnostic systems against EHEC infections. Previous studies had reported expression of Intimin in E. coli cytoplasm using commonly used prokaryotic expression systems. However, it usually encountered several problems, i.e. low expression level, leaky expression, inclusion body formation, and truncated protein. The pRHA vector, which is tightly regulated by Lrhamnose and D-glucose, represents a viable alternative E. coli expression system to overcome such problems. Moreover, E. coli periplasm has an advantage of maintaining protein functionality by providing an oxidative environment that is more efficient than cytoplasm. However, to date there is no study about Intimin expression using pRHA expression system and/or in E. coli periplasm. Accordingly, we constructed a recombinant pRHA vector harbouring the respective gene to investigate the expression of an immunogenic Intimin fragment of EHEC O157:H7 in E. coli periplasm. The gene encoding His6-tagged Intimin282 (Int282) together with pelB signal sequence was cloned into the pRHA vector, subsequently expressed in E. coli JM109 and purified. Expression and purification of Int282 were verified by SDS-PAGE and Western blot. The result showed that Int282 was successfully expressed in E. coli periplasm with a protein size of approximately 32 kDa, which corresponded with the predicted size of the protein based on its amino acid sequence.

Overproduction and Purification of Soluble Recombinant Human Granulocyte Colony Stimulating Factor in Escherichia coli Using Thioredoxin as Fusion Dian Fitria Agustiyanti; Debbie Sofie Retnoningrum; Heni Rachmawati; Asrul Muhamad Fuad
ANNALES BOGORIENSES Vol 21, No 1 (2017): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Recombinant human Granulocyte Colony Stimulating Factor (G-CSF) has been produced in a soluble form in Escherichia coli BL21 (DE3) as a fusion protein. The open reading frame of G-CSF was synthetically constructed in previous work and was codon optimized for best expression in E. coli. In this research, the gene was fused to thioredoxin (Trx) at the N-terminal in pET32 vector. The purpose of this research was to optimize the overproduction and purification processes to obtain high yield recombinant protein in soluble form, and to characterize the Trx-G-CSF fusion protein. Overproduction was performed using IPTG induction method for 3 and 6 hours. The protein was purified by Ni-NTA affinity chromatography and separated using gradient concentration of imidazole. The purified protein was then characterized by SDS-PAGE and Western Blot analysis. Further, enterokinase was used to separate G-CSF from the fusion protein. The purified form of G-CSF was subsequently characterized using Western Blot and mass spectrometry using MALDI-TOF. The results showed that the fusion protein was successfully produced in soluble part as much as 48.25% were obtained after 3 hours of induction. The yield of fusion protein was 67.37% from total protein (229.65 mg protein/L culture). The Western Blot analysis showed the G-CSF band at around 18.6 kDa. Mass spectrometry with MALDI-TOF/ TOF revealed that 25.86% of amino acid residue was recognized as part of human G-CSF sequence.

Cellulolytic Yeast Isolated From Raja Ampat Indonesia Atit Kanti; Nampiah Sukarno; Endang Sukara; Latifah K Darusman
ANNALES BOGORIENSES Vol 16, No 1 (2012): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

The objective of this study was to select and characterize three yeast isolates originating from soil of Raja Ampat region of Papua, Indonesia for its potential to produce cellulase . Selection and characterization of cellulolytic yeast was carried out by measuring cellulolytic Index (IS) with congo red method and measurement of Carboxy Methyl Cellulase (CMC-ase) activity through determination of reducing sugar with dinitrosalycilic methods. Cellulolytic Index (IS) of the isolates Sporobolomyces poonsookiae Y08RA07, Rhodosporidium paludigenum Y08RA29 and Cryptococcus flavescens Y08RA33were 1.40, 2.60 and 1.66 respectively. CMC-ase produced optimum at pH 8 at 37ºC by isolate Y08RA07, whereas for Y08RA29 andY08RA33 were at pH 6, at 28ºC. Paper waste was good substrate for cellulase enzyme production by isolate Y08RA07, while for two other isolates the best substrate was CMC. Isolate Y08RA29 having highest cellulase activities when grown in CMC, while isolates Y08RA07 and Y08RA33 achieved highest enzyme activity when grown in bamboo leaf. Key words: Cellulolytic yeast, Raja Ampat, waste paper, bamboo leaf

Massive In Vitro Propagation Of Sandalwood Through Friable Embryogenic Callus Supatmi Supatmi; Nurdiya Ardiyanti; Nurhamidar Rahman; Enny Sudarmonowati
ANNALES BOGORIENSES Vol 20, No 1 (2016): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Sandalwood (Santalum album), which belongs to Santalaceae family, is a commercially important tree in Indonesia due to its many application. However,its population has significantly depleted since the planting materials using conventional methods are difficult to be provided. This study was conducted to mass propagate sandalwood using in vitro methods through friable embryogenic callus (FEC). The somatic embryos were formed using leaves cultured in MS +0.5 mg/l +1 mg/l indole acetic acid (IAA), and MS +1 mg/l IAA + 0.2 mg/l kinetin as well as 0.5 MS+1 mg/l Gibberellic acid (GA3). Primary somatic embryos (PSE) and secondary somatic embryos (SSE) then formed friable embryogenic callus when they were repetitively transferred to MS +1.5 mg/l BAP + 1.2 mg/l kinetin every 3 weeks. The maturation and regeneration of FEC was best done in the MS +1.5 mg/l BAP + 1.2 mg/l kinetin for 4-8 weeks. The acclimatization of sandalwood plantlets can be best conducted in the medium containing soil, sand and compos in ratio of 1:1:1 with the companion plant Murraya paniculata, which gave the best percentage of survival rate and the lowest percentage of falling leaves.

Development of Mice Embryo (Mus musculus L.) after Closed Pulled Straw Vitrification in CZB Medium Muhammad Gunawan; Ekayanti Mulyawati Kaiin; Raden Cindy Rusherdiannita; Kartiawati Alipin
ANNALES BOGORIENSES Vol 23, No 2 (2019): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

The objective of our present experiment was to investigate the effects of closed pulled straw (CPS) vitrification on the viability and development of mouse embryo. The experiment was arranged according to completely randomized design (CRD) consisting of 4 treatments, namely not vitrification (NV) is control, CPS 1 (mCZB Hepes + 20% Bovine Serum Albumin (BSA) +0.5 M sucrose + 10% EG + 10% DMSO), CPS 2 (mCZB Hepes + 20% BSA + 0.5 M sucrose + 15% EG + 15% DMSO), and CPS 3 (mCZB Hepes + 20% BSA +0.5 M sucrose + 20% EG + 20% DMSO) with 6 replications. The viability of embryos (%) was determined after 24 - 72 h of the culture period, while we also observed the percentage of embryos reaching the blastocyst stage (early blastocyst, expanded, hatching, and hatched). As a result, the treatments did not give a significant difference in the viability of embryos (P<0,05) but showed significant effects on embryo development (P<0,05). Furthermore, this present work conclusively found that CPS vitrification in CZB medium with cryoprotectants ethylene glycol (EG) and dimethyl sulfoxide (DMSO) noticeably influenced the development of mice embryo to reach the blastocyst stage, but showed no remarkable difference in the viability of embryo after culture for 24 – 72 h.

Front Cover AB Vol 11 No 1 (2007) Puspita Lisdiyanti
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 | DOI: 10.14203/ann.bogor.2007.v11.n1.%p

Molecular Detection of Resistance To Bacterial Leaf Blight on Conde Indonesian Rice Variety Fatimah Fatimah; Joko Prasetiyono; Aqwin Polosoro; Mushlihatun Baroya
ANNALES BOGORIENSES Vol 22, No 1 (2018): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Rice bacterial leaf blight (BLB) disease caused by Xanthomonas oryzae pv. oryzae (Xoo) affected grain yield and decreasing rice production in rice growing countries. Conde, Indonesian rice variety, exhibits high resistance to most of the Indonesian races of (BLB) and has been used in Indonesia for cultivated rice. This study was aimed to conduct the molecular detection between proximal markers in chromosome 6 and relative expression of Conde rice variety compare to IRBB7 in Xa7 region. The population screening, BLB evaluation and molecular detection around the Xa7 region were conducted. The results showed from the collection of individual recombinants between resistant and susceptible parents narrow the region containing the BTBPOZ domain. The sequence alignment of Xa7LD37 in two resistant and three susceptible cultivars demonstrated a perfect association. The sequence alignment in exon region of Loc_Os06g46240 in Nipponbare, IRBB7, and IR64 identified indel/SNPs in this region leading to nucleotide substitution and frameshift resulting in amino acid change between resistant and susceptible cultivars. It was predicted that Conde revealed the similar gene action with Xa7 gene for BLB that encodes a BTB POZ domain.

Isolation of Microorganisms and Its Application for Decolorization of Anthraquinone and Azo Dyes from Textile Wastewater Ahmad Fathoni; Soo Kyoung Jeong; Joong Kyun Kim
ANNALES BOGORIENSES Vol 17, No 1 (2013): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

The treatments of textile wastewater by chemical and physical methods have some drawbacks such as economically feasible and high cost, lack of effective color reduction and formation of by-product. Conversely, biological processes have been proposed as a less expensive and less environmentally intrusive alternative. In the present study, decolorization of various dyes was studied using microorganisms isolated from textile/dye wastewater inoculated into culture medium supplemented with 0.01% of anthraquinone and azo dyes (Disperse Red 73, Lanasol Blue 3G Disperse Orange 30, Kemachrome Black T, and Mixture of dyes). The effect of medium composition was investigated by applying four different media (BSM, ME, Basal, and GYP). From 42 isolates, 4 isolates showed the potential for decolorizing structurally different anthraquinone and azo dyes employed in the industry. Based on the microscopic observation, the 3 isolates designated as OW1, RW8, ATSN-3 were identified as bacteria and 1 isolate designated as BSS was observed as fungus. BSS fungus isolate showed the highest ability to decolorize various reactive dyes including anthraquinone and azo dyes. BSS grew well in the ME medium, resulting in approximately 96.4% decolorization efficiency after 72 hours. The result indicates the potential for this isolate to be used in the biological treatment of textile industry.

Page 31 of 54 | Total Record : 540

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