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All Journal Jurnal Teknologi Dan Industri Pangan Bioma : Berkala Ilmiah Biologi Jurnal Akademika Biologi Biotropika Jurnal Biologi Universitas Andalas Biosaintifika: Journal of Biology & Biology Education Journal of Applied Food Technology Berkala Bioteknologi Advance Sustainable Science, Engineering and Technology (ASSET)
Arina Tri Lunggani
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Education Electrical & Electronics Engineering Energy Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

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Antibacterial Activity of Freshwater Sponge Oncosclera asiatica Against Escherichia coli and Staphylococcus aureus Wulandari, Dyah; Dewantoro, Giwang; Lunggani, Arina Tri; Suprihadi, Agung; Riani, Catur; Setiawan, Edwin; Farikha, Siti Lutfiatul; Budiharjo, Anto
Bioma : Berkala Ilmiah Biologi Vol. 24, No 2, Tahun 2022
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.24.2.120-129

Abstract

Freshwater sponges are animals from the Porifera phylum that live in freshwater. The sponge used is Oncosclera asiatica was taken from Kali Porong, East Java. Seventeen isolates of bacteria have been obtained from isolation. Antibacterial potential testing was performed by paper disc inhibition assay using Escherichia coli and Staphylococcus aureus as pathogenic bacteria and amoxicillin as a positive control. The antibacterial activity test showed that four isolates have the potential activity. The isolates with the highest inhibition zones were identified using a 16S rRNA.The results of BLAST showed isolate number 2 was Pseudomonas moraviensis with 99.51% similarity. The phylogenetic tree analysis was build using the MEGA X program. The results of the phylogenetic tree analysis showed that P.moraviensis had a bootstrap value of 100% with a  genetic distance value of 0.001. P. moraviensis isolates screened for the presence of Non-Ribosomal Peptide Synthetase (NRPS) gene by A2gamF and A3gamR primers. The amplification result from NRPS gene showed positive meaning that P.moraviensis genome contained NRPS gene.
Characterization And Screening Of Protease, Amylase, And Cellulase From Phylloplane Fungi Isolates Of Avicennia marina (Forssk.) Vierh. Mahardhika, Wahyu Aji; Ramadhany, Warih; Lunggani, Arina Tri
Jurnal Biologi Universitas Andalas Vol 9 No 2 (2021)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.9.2.54-59.2021

Abstract

Mangrove (Avicennia marina) is an important mangrove species, because it has many benefits for human life, including in the ecological scope as a source of food and medicine. These plants can also be used as a source of symbiont mold isolates which can be developed as an alternative to produce bioactive compounds, one of which is enzymes. Enzymes are protein compounds that can catalyze all chemical reactions in biological systems. This study aims to determine whether mangrove symbiont fungi (A. marina) can produce amylase, protease and cellulase enzymes. This research was conducted using a method based on enzyme activity, namely amylase activity with lugol iodine staining, protease activity and cellulase activity with congo red staining. on agar media enriched with 1% skim milk, 1% starch and 1% CMC. The results showed that 4 isolates were able to show potential enzymatic activity to be developed as agents for enzyme production.
Characterization of Yellow Pigmented Bacteria Associated with Gracilaria sp. Lunggani, Arina Tri; Purwantisari, Susianna; Jannah, Siti Nur
Advance Sustainable Science, Engineering and Technology Vol 2, No 2 (2020): May-October
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v2i2.7041

Abstract

Research on the kinship analysis of endophytic bacterial  isolated from Gracillaria sp has been carried out. The presence of bacteria associated with Gracilaria sp. has enabled the use of these bacteria as a source of new bioactive compounds, such as biopigments. The research aims to isolated bacteria from Gracilaria sp., screened their symbiont bacteria that could potentially produce pigments. Sampling Gracilaria sp. conducted in the waters of the Island of  Karimunjawa, Jepara. Furthermore, bacterial isolation was carried out, screening for pigment-producing bacteria and 16S rRNA sequence analysis. Research result showed that the symbiont bacteria isolate TK 373 produced consistent pigments after several regenerations, in several types of growth media incubated at room temperature. The results of 16S rDNA identification showed that the TK 373 isolate had the closest relationship with  Pseudoalteromonas sp. with  98.72 % homology.
Glutamic Acid Production by Lactic Acid Bacteria Isolated from Indonesian Fermented Food Salted Mustard Greens and Dangke Cheese Indahsari, Silvana Nurulfauziyyah; Jannah, Siti Nur; Lunggani, Arina Tri
Jurnal Teknologi dan Industri Pangan Vol. 36 No. 2 (2025): Jurnal Teknologi dan Industri Pangan
Publisher : Perhimpunan Ahli Teknologi Pangan Indonesia bekerjasama dengan Departemen Ilmu dan Teknologi Pangan, IPB University Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6066/jtip.2025.36.2.195

Abstract

Glutamic acid is an additive compound widely added to food to enhance the savory taste (umami). Lactic acid bacteria (LAB) are included in Generally Recognized as Safe (GRAS) and have the potential to produce various metabolite compounds, including glutamic acid, through fermentation. LAB can be isolated from salted mustard greens and dangke cheese. This study aimed to analyze the effect of LAB isolate types and fermentation time on the production of glutamic acid, glutamic acid profiling, and molecularly identify the LAB genus that produces the highest glutamic acid based on the 16S rRNA gene. The fermentation process of LAB was carried out using four selected isolates: D16, D15, S4, and S15, which were isolated from salted mustard greens and dangke cheese. Each isolate was incubated for five different incubation times: 0, 12, 24, 48, and 72 h. The identification of glutamic acid was carried out using the Thin Layer Chromatography (TLC) method, its quantification by spectrophotometry, and profiling by High-Performance Liquid Chroma-tography (HPLC). In addition, molecular identification of the highest-producing LAB isolate was conducted based on the 16S rRNA gene. The results showed that isolate S4 from salted mustard greens produced the highest glutamic acid after 48 h, with 670.05 mg/L and a total glutamic acid of 0.23% (w/w) based on HPLC results. Isolate S4 is known to be molecularly similar to the Pediococcus pentosaceus species. Local LAB isolates from salted mustard greens and dangke cheese can produce glutamic acid that can be used to enhance the taste of fermented foods.
Exploration of Copper and Lead Resistant Bacteria from Sediments of Kali Baru Estuary Purnomo, Eko; Kusumaningrum, Hermin Pancasakti; Budiharjo, Anto; Lunggani, Arina Tri; Az-Zahra, Salwa Zubaidah; Wardaja, Bodhicitta; Maimunah, Siti; Dinalhaq, Putri Cahya
Biotropika: Journal of Tropical Biology Vol. 14 No. 1 (2026)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2026.014.01.05

Abstract

Heavy metal contamination, particularly by copper and lead, in aquatic ecosystems poses a significant threat to ecological balance, aquatic organisms, microbial diversity, and human health. Therefore, the exploration of bacteria capable of withstanding high levels of copper and lead is crucial for the development of effective bioremediation agents. This study aimed to isolate and characterize bacterial strains resistant to copper and lead from sediment samples collected from the Kali Baru estuary in Semarang. Bacterial isolation was conducted using a serial dilution technique up to 10?², performed in triplicate. Emerging bacterial colonies were purified and subsequently subjected to macroscopic and microscopic morphological characterization. Resistance profiling of the isolates was assessed by exposing them to copper and lead at concentrations of 100, 200, and 300 mg/L. A total of 32 bacterial isolates were obtained from the sediment samples. Among these, two isolates demonstrated resistance to copper and 14 isolates exhibited resistance to lead at the highest concentration tested (300 mg/L). These metal-tolerant bacterial isolates show promising potential for application in bioremediation strategies targeting environments contaminated with copper and lead.
Co-Authors Aninditia Sabdaningsih Anto Budiharjo Az-Zahra, Salwa Zubaidah Budi Raharjo Budihardjo, Kadarwati Cahyaningrum, Emi CATUR RIANI Choirunnisaa, Nadia Maharani Jasmine Dani Ika Purwaningsih Dewantoro, Giwang Dian Prambodo, Ashar Kurnia Diani Kurniawati Dinalhaq, Putri Cahya Dion, Romario Dyah Wulandari Edwin Setiawan Eko Purnomo Endang Kusdiyantini Endang Kusdiyantini Enny Fachriyah Farikha, Siti Lutfiatul Hanifa, Yumna Rahmadias Hapzi Ali Hermin Pancasakti Kusumaningrum Indahsari, Silvana Nurulfauziyyah Khabib Khasan Alfaridhi, Khabib Khasan Khodijah Baharun Mahardhika, Wahyu Aji Mahardika, Wahyu Aji MG Isworo Rukmi Muhammad Amal Nurhakim, Muhammad Amal Nur Jannah, Siti Purwantisari, Susianna Qoys Naufal, Mochammad Fa’iq Raden Mohamad Herdian Bhakti Ramadhany, Warih Sari, Rachel Dewita Sitepu, Harum Siti Maimunah Siti Nur Jannah Soni Nugraha Anwar Sri Pujiyanto Susiana Purwantisari Syawal Nurangga Kodhatin Utomo, Adi Budi Wardaja, Bodhicitta Whinarsih, Whinarsih Wijanarka Wijanarka Wijanarka, W