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Present Status and Challenges on Agricultural Microbe Bio-Prospecting in Indonesia
Sukara, Endang
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/21
food security is one of the essential needs which can never be ignored by any society, including in particular Indonesia. as the world population is expected to rise to around 10 billion marked by 2025. The problem is that the agriculture in developed and developing countries that follow the path of developed countries experiences create · a  range of serious environmental degradation. An intensive agricultural production through the use of pesticide and herbicides, forest clearing and continued use of land resources for the agricultural purposes are not sustainable practice . In consequences, degradation of ecosystem, oil erosion. and low productivity of land, poor water quality and lost of biological diversity (including microbial and genetic resources) occurred at alarming stale. Meanwhile, the efforts in addressing the above  situation is traditionally focused on plant phenotypes (breeding. plant genetic engineering etc .) but the important role of microbial communities that interact with plants to influence plant health and productivity has been largely ignored. The interaction of microbes with plants and its relevant to soil fertility and productivity, the bio-control properties of microbes and challenges toward sustainable agriculture is highlighted.
Construction of Binary Vector With Wound Inducible Promoter for Hbsag Expression: Development of Plant-Based Edible Hepatitis B Vaccine from Indonesian Isolate
Suhandono, Sony;
Rachman, Ernawati A.Giri;
Zainuddin, Ima M.;
Utari, Putri Dwi;
Supraba, Apsari;
Estiati, Amy
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/22
Hepatitis B is a serious infectious disease In the third world countries including Indonesia . Vaccination is the most effective way to prevent the spread of the disease; therefore the demand for HBV vaccine is high. In order to produce more vaccine at lower cost, transgenic plant can be chosen to express the vaccine with the above criteria. Several researches were successfully producing transgenic plants expressing HBsAg that formed virus-like particles and induced immune response in human. However. HBsAg expression in transgenic plant needs to be improved especially on gene expression control system. Here, we describe the construction of HBsAg . structural gene under the control of wound inducible promoter, MeEFl promoter from manihot esculenta Crantz. The HBsAg gene was amplified using PCR from HBV genome isolated from an Indonesian patient. The gene was subsequently fused with VSPaS signal peptide, which targeted the reticulum endoplasm of plant cell . The construct was cloned into binary expression vector for Agrobacterium plant Transformation in near future.Keywords: HBsAg. VSPaS signal peptide and MeEFI promoter
Agrobacterium-Mediated Transformation of Javanica Rice Plants With A Cry1b Gene Under The Control of Wound-Inducible Gene Promoter
Estiati, Amy;
Rahmawati, Syamsidah;
Astuti, Dwi;
Loedin, Inez H.S
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/18
A cry1B synthetic gene of Bacillus thuringiensis has been used for the transformation of the javanica rice plants cv. Rojolele confer resistance to an important pest, yellow stem borer (Scirpophaga incertulas). Embryogenic callus were co-cultivated with the EHA 105 strain of Agrobacterium tumefaciens harbouring binary vector CAMB IA 130 I containing cry / B gene under the control of wound inducible gene promoter (mpi), hygromycin resistance gene (hpt) as a selectable marker and intron-containing β-glucuronidase (gus - intron) gene al) a reporter gene driven by CaMV35S promoter. Previously. our histochemical assay and P R analyses. had proved th integration of cry1B gene into the genome of rice plants at first generation . However, the existence of the gene should remain table throughout generation. In this study, the presence of the cry1B transgene in rice transgenic plants at second generation was confirmed by Polymerase Chain Reaction (PCR) . Insertion of the cry1B gene in the genome of PCR positive plants was verified by Southern blot analysis is and showed that integration of cry1 B into the genomic DNA of javanica rice plants cv. Rojolele. An effective resistance of transgenic plants against stem borer was verified in bioassays.
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)
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DOI: 10.1234/19
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
Identification and Activity of The Retrotranposon Tos17 in Indonesian Javanica Rice CV.Rojolele And Japonica Rice CV. Gajahmungkur
Nugroho, Satya;
Loedin, Inez HS;
Ouwerkerk, Pieter BF
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/20
Retrotransposons arc mobile genetic elements  that transpose via an RNA intermediate that is reverse transcribed before integration into a new location within the host genome. They are ubiquitous in eukaryotic organism. and constitute a major portion of the nuclear genome (often more than half of the total DNA) in plants .Tos17 is a rice endogenous retrotransposon on that has  been studied thoroughly. Tos17 has been shown to be an efficient insertional mutagen and saturation mutagenesis tool for gene tagging and functional genomics in Japonicarice cv Nipponbare. In lavanica rice however, the presence and activity of Tos17 has not been described thus far. while in some Indica rice Tos17 has been found to be inactive. Javanica rice, also known as tropical Japonica rice,has many cultivars which may serve as pontetial genetic resources of great interest for breeding programmes. Here , the presence and activities of retrotransposon Tos17 in Javanica rice cv Rojolele was described and compared to those of Japonica rice and Japonica rice cv Gajahmungkur We identified five and theree copies of Tos17 in Rojolele and Gajahmungkur, respeclively, with different activities.Keywords: Oryza sativa, rice, javanica, retrotransposon, Tos17
Editorial Boards AB Vol 11 No 1 (2007)
Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/124
Front Cover AB Vol 11 No 1 (2007)
Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/123
Guide for Authors AB Vol 11 No 1 (2007)
Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/126
Back Cover AB Vol 11 No 1 (2007)
Lisdiyanti, Puspita
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.1234/127
Present Status and Challenges on Agricultural Microbe Bio-Prospecting in Indonesia
Endang Sukara
ANNALES BOGORIENSES Vol 11, No 1 (2007): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)
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DOI: 10.14203/ann.bogor.2007.v11.n1.31-39
food security is one of the essential needs which can never be ignored by any society, including in particular Indonesia. as the world population is expected to rise to around 10 billion marked by 2025. The problem is that the agriculture in developed and developing countries that follow the path of developed countries experiences create · a range of serious environmental degradation. An intensive agricultural production through the use of pesticide and herbicides, forest clearing and continued use of land resources for the agricultural purposes are not sustainable practice . In consequences, degradation of ecosystem, oil erosion. and low productivity of land, poor water quality and lost of biological diversity (including microbial and genetic resources) occurred at alarming stale. Meanwhile, the efforts in addressing the above situation is traditionally focused on plant phenotypes (breeding. plant genetic engineering etc .) but the important role of microbial communities that interact with plants to influence plant health and productivity has been largely ignored. The interaction of microbes with plants and its relevant to soil fertility and productivity, the bio-control properties of microbes and challenges toward sustainable agriculture is highlighted.