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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
 18   19   20   21   22 
Diversty of Actinomycetes from Soil Samples Collected from Lombok Island, Indonesia Lisdiyanti, Puspita; Tamura, Tomohiko; Ratnakomala, Shanti; Ridwan, Roni; Kartina, Gina; Lestari, Yulin; Katsuhiko, Ando; Widyastuti, Yantyati
ANNALES BOGORIENSES Vol 16, No 1 (2012): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.783 KB) | DOI: 10.1234/52

Abstract

A total of 137 strains of Actinomycetes were isolated from 14 soil samples collected in 3 part of Lombok Island, Indonesia  using  SDS-YE (SY) and Rehydration and Centrifugation  (RC)  isolation methods  and Humic Acic Vitamin (HV) agar as isolation media. All the isolates were identified by morphological characteristic and by analysis of 16S rRNA gene sequence. On the basis of their morphology and 16S rRNA gene sequence, 67% of isolates were belonged  to the Streptomyces Group and 33% of isolates were belonged to the Rare-Actinomycetes (Non-Streptomyces) Group. Nine families and 15 genera were found from the samples. It is indicated the richness of actinomycetes in these area. The genus  Streptomyces  is the most abundant in all soil samples, occupying 67% of all isolates by using SY method; while the genusActinoplanes  is mainly found by using RC as isolation method. Two strains belong to the genus Virgisporangium and Catenulispora that showed taxonomic interest need further study for describing as ne species.   Keywords: Actinomycetes, Streptomyces Group, Non-Streptomyces Group, Diversity
Editors Preface AB Vol 12 No 1 (2008) Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 12, No 1 (2008): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.515 KB) | DOI: 10.1234/131

Abstract

Micropropagation of Tetramolopium klossii (Moore) Mattfeld, endemic subalpine and alpine plant species to New Guinea Ermayanti, Tri Muji; Hafiizh, Erwin Al; Martin, Andri Fadillah; Mandessy, Ary; Hermono, Arief; Mukhsia, Andi
ANNALES BOGORIENSES Vol 15, No 2 (2011): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.898 KB) | DOI: 10.1234/44

Abstract

The protocol of micropropagation of Tetramolopium klossii (Moore) Mattfeld through adventitious shoot proliferation was established. This is the first report of T. klossii tissue culture. Seeds were surface-sterilized by dipping them in 10% of ethanol for 1 min followed by soaking in 1% of sodium hypochlorite for 10 min. The sterile seeds were germinated on MS medium solidified with 8 g/l of agar, supplemented with 20 g/l of sucrose. Two-month old seedlings formed some shoot clumps on MS solid medium without addition of any plant growth regulators. Small clumps containing 4-6 adventitious shoots were used for shoot proliferation on MS solid medium containing 0; 0.1; 0.5; 1.0 and 2.0 mg/L of BAP (benzylaminopurine) or kinetin. The results showed that medium MS without cytokinins (control treatment), and the addition of 0.1 or 0.5 mg/L of BAP was more effective for shoot proliferation compared to the medium with addition of BAP at higher concentration and the addition of kinetin. In further subcultures, multiple shoots grown on MS medium without cytokinins was  more vigorous  than that of shoots grown on other media, so that the shoots were ready for rooting. Medium containing 0.5 mg/L of BAP was the best for maintaining multiple shoot formation. Shoots formed roots on MS medium containing half strength of macro nutrients.   Keywords: Tetramolopium klossii, micropropagation, Murashige and Skoog medium, shoot multiplication
Back Cover AB Vol 16 No 2 (2012) Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 16, No 2 (2012): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/165

Abstract

Expression of No Affinity Tagged Recombinant Human Interferon Alpha-2a in Methilotropic Yeast Pichia pastoris Herawati, Neng; Wardiana, Andri; Ningrum, Ratih Asmana
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 | DOI: 10.14203/ab.v19i2.254

Abstract

Recombinant human interferon alpha-2a (rhIFNα-2a) has been widely used for clinical therapy as antiviral, anticancer as well as immunomodulator. In this study, the open reading frame (ORF) encoding synthetic hIFNα-2a was constructed to be in framed with N-terminal alpha factor secretion system in methylotropic yeast Pichia pastoris. This research aimed to construct, express and analyse the non-affinity tagged recombinant human interferon alpha-2a in the methilotropic yeast P. pastoris. We used pPICZαB plasmid for cloning and expression vector. The confirmed recombinant plasmid containing the correct DNA sequence of hIFNα-2a was linearized by SacI restriction enzyme, then transformed into P. pastoris genome using electroporation. We screened two multi-copy recombinants in YPDS plates containing Zeocin™. Buffered complex medium containing 0.5 % methanol (BMMY) was used for protein expression for 48 hours in the culture condition. The recombinant protein was purified by blue sepharose affinity chromatography. Analyses of hIFNα-2a protein by SDS-PAGE and Western blot confirmed that protein band in which was observed around 19.2 kDa, was recombinant hIFNα-2a. The quantification of purified rhIFNα-2a using colorimetric binichoninic assay (BCA) informed that the yield was 44 mg/L culture (OD600= 2-3).
Control of Biodegradability of Polyurethane Foam Based on Palm Oil by Ratio of Soft Segment on the Polymer Backbone Haryono, Agus; Triwulandari, Evi; Sondari, Dewi; Randy, Ahmad; Ridwanuloh, Asep Muhamad
ANNALES BOGORIENSES Vol 14, No 1 (2010): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/35

Abstract

Polyurethane  is  polymer  synthetic  which  is  formed  by  reaction  between  polyols  and  polyisocyanates.polyols  are  compounds  which  contain  two or  more  hydroxyl  groups.  Polyurethane  can  be  applied  in  various forms,  such  as  foam,  elastomeric,  coating  and  adhesive.  In  this  work,  we  developed  pol yurethane  foams  by using polyols  based  on  palm  oil.  Palm  oil  based  polyols  as  soft  segments  in  the  polyurethane  backbone accelerate biodegradable process of the polyurethane. Biodegradability is the ability of material to be utilized as a carbon source by  microorganisms and converted safely into carbon dioxide, biomass and water. Commercially available  polyurethane  foams  are  usually  produced  from  petrochemical  based  polyols  that  they  are  not biodegradable. The biodegradability study was conducted by using  Aspergillus niger  (fungi) and  Pseudomonas aeruginosa(bacteria),  with  variation  of  method  and  media  for  biodegradation.  Rigid  polyurethane  foam  was synthesized by  using  one  shoot  process  method,  which  is  reaction  between  palm based polyol  mixture  and methylene diphenly diisocyanate (MDI) at room temperature. The effect of variation of ratio of polyisocyanates (NCO) as hard segment and polyols (OH) as soft segment to the properties of polyurethane foams were studied in detail. Study of the effect NCO/OH ratio   was conducted with variation ratio of 0.8,  1.0  and  1.2. Increasing hard segment (NCO) ratio to the soft segment (OH) affected in the decreasing of hydrophilicity of foam. Thus,the penetration of water into bulk of polymer decreased. The biodegradability  of foam was also affected by the soft segment ratio on the polymer backbone.   Keywords: biodegradable, polyurethane, palm oil, polyols, soft segment
Guide for Authors AB Vol 18 No 2 (2014) Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 18, No 2 (2014): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/188

Abstract

Editors Preface AB Vol 15 No 2 (2011) Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 15, No 2 (2011): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/156

Abstract

Guide for Authors AB Vol 10 No 1 (2005) Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 10, No 1 (2005): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/121

Abstract

Front Cover AB Vol 18 No 1 (2014) Lisdiyanti, Puspita
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 (202.387 KB) | DOI: 10.1234/179

Abstract

Page 20 of 54 | Total Record : 540

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