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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Journal of Marine Research BERITA BIOLOGI JURNAL BIOLOGI INDONESIA ANNALES BOGORIENSES Marine Research in Indonesia Indonesian Journal of Natural Pigments Teknologi Indonesia Life Science Makara Journal of Technology Annales Bogorienses
DWI SUSILANINGSIH
Research Centre for Biotechnology, Indonesian Institute of Sciences, Cibinong - Bogor, 16911, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Journal : ANNALES BOGORIENSES

 1 
Isolation and Screening of Surfactant-producing Bacteria from Indonesian Marine Environments and Its Application on Bioremediation Susilaningsih, Dwi; Okazaki, Fumiyoshi; Yopi, Yopi; Widyastuti, Yantyati; Harayama, Shigeaki
ANNALES BOGORIENSES Vol 17, No 2 (2013): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (500.383 KB) | DOI: 10.1234/80

Abstract

Isolation and screening have been undertaken on oil-degrading microbes from Indonesian marine environments. During screening process it has been found many bacterial isolates capable of degrading crude oil. Hence, study has been focused on the biodiversity of biosurfactant-producing bacterial species in Indonesian marine environment and its function for remedial the pollutant in marine and soil areas. A total of 103 out of 463 isolates showed positive surfactant-degrading properties. By means of partial 16S rRNA gene analyses, it has been found that the majority of taxa are related to Alcanivorax, Pseudomonas, Bacillus, Bortetela, Brucella, Acenitobacter, Staphia, Lysobacter, and Talasosophira. Biosurfactant properties assay showed that they were capable of lowering the surface- and interfacial water tension from 74 mN/m to 40-65 mN/m and from 24 mN/m to 6-10 mN/m, respectively. In addition, most of the surfactants were capable of emulsifying hydrocarbon (crude oil) of 0.01 to 0.15 units, comparable to 0.08 units of synthetic surfactant (20% Tween). Further observation showed that the majority of the surfactants were able to degrade a long chain of alkane, but not branched alkane, with a recovering rate of 20-80%. The application of the surfactant towards oil polluted model beach was done in laboratory scale and showing the surfactant obtained from microbial broth cultures capable for recovering the oil pollutant significantly, compared to the control (without addition microbial broth).  
Molecular Identification of Microalgae BTM 11 and its Lectin Isolation, Characterization, and Inhibition Activity Mustopa, Apon Zaenal; Isworo, Rhestu; Nurilmala, Mala; Susilaningsih, Dwi
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 | DOI: 10.14203/ab.v20i2.251

Abstract

BTM 11 is unknown species of microalgae, but has active compounds that can inhibit viruses. One of proteins produced by microalgae is a lectin. Lectin is a carbohydrate-binding protein found in various microalgae that show antiviral and antibacterial activity. The purpose of this study was to perform identification of the species of microalgae BTM 11, isolation, characterization, and assay of lectin inhibitory activity. Microalgae BTM 11 was identified to have homology with Cyanobacterium 99% and Geitlerinema sp 98%. Lectin of microalgae BTM 11 was isolated by ammonium sulfate precipitation of 75% with a molecular weight of 17 kDa. Lectin protein activity of microalgae BTM 11 was able to inhibit the enzyme activity of RNA helicase hepatitis C by 57.90% and 27.55%. In addition, the protein was able to suppress the activity of Staphylococcus aureus ATCC 6538, E. coli EPEC K.1.1. and Salmonella typhii ATCC 25241. Activitiy of lectin was stable at 30 °C and was unaffected by the action of the enzyme. These results indicate that lectin of microalgae BTM 11 could be a alternative to antiviral and antibacterial proteins.
Morphology and molecular characterization of newly isolated microalgae strain Chlorella volutis LIPI13-WKT066 from Wakatobi Islands and its potential use Rahman, Delicia Yunita; Praharyawan, Swastika; Raharjo, Sapto; Fadiyah, Farizul; Susilaningsih, Dwi
ANNALES BOGORIENSES Vol 23, No 1 (2019): 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.2019.v23.n1.13-19

Abstract

Morphology and molecular characterization of microalgae isolated from Wakatobi Marine National Park was conducted. An understanding of the characteristics of morphology, molecular, as well as metabolites profile of the microalgae species is potentially useful for its future application. The primary aim of this study was to isolate, identify and characterize the microalgae strain isolated from Wakatobi Marine National Park labeled as LIPI13-WKT066 with the emphasis on the evaluation of amino acid content as a basis for its health application. Morphological observation under the microscope and molecular identification suggested that the microalgae strain of LIPI13-WKT066 belong to the strain under species of Chlorella volutis. Metabolite characterization of the microalgae strain showed that the content of protein (11.9%), lipid (12.4%) and carbohydrate (4.7%) was in the regular range. Further analysis of its amino acid content revealed the potency of the microalgae strain to be used as antihypertensive agent.
Co-Authors A.A. Ketut Agung Cahyawan W Anam, M. Khairul Anhari, Saeful Antonius Budi Susanto Apon Zaenal Mustopa Delicia Yunita Rahma Fadiyah, Farizul Farida, Hilda Farida, Hilda Hadi Susilo Hani Susanti, Hani Harayama, Shigeaki Harayama, Shigeaki Harwati, Theresia Umi Ibnul Mubarok Isworo, Rhestu Isworo, Rhestu Leenawaty Limantara Mala Nurilmala Ochieng, Fredrick Onyango Okazaki, Fumiyoshi Okazaki, Fumiyoshi Puspita Sari Harahap Putri, Prabawati Hyunita Putri, Prabawati Hyunita Rahman, Delicia Y. Rahman, Delicia Yunita Rifana Sobari Rifqiyah Nur Umami, Rifqiyah Nur Rosita Dwi Chandra, Rosita Dwi Salim, Katarina Purnomo Sapto Raharjo Siburian, Marlinang Diarta Siburian, Marlinang Diarta Siti Harnina Bintari Swastika Praharyawan, Swastika Swastika, I Nengah Syamsiar, Syamsiar Tatas H.P. Brotosudarmo Theresia Harwati, Theresia Topik Hidayat Tutik Murniasih Umoro, Asahedi UTUT WIDYASTUTI Widyaningrum, Dian Noverita Yantyati Widyastuti YOPI YOPI Yundari, Yundari