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Pengaruh Ekstrak Daun Tembelekan (Lantana camara) Terhadap Penampakan Histopatologi Thallus Rumput Laut (Kappaphycus alvarezii) Emand Syapriawan Tolanamy; Agusrinal Agusrinal; Ardiansyah Ardiansyah
BioWallacea : Jurnal Penelitian Biologi (Journal of Biological Research) Vol 7, No 2 (2020): Biodiversitas on Asian Wallacea
Publisher : University of Halu Oleo

The purpose of the study was to analyze the ability of Lantana camara extract on preventing and decreasing the transmission ratio of bacteria causing ice-ice disease of seaweed thallus Kappaphycus alvarezii by cohabitation and to find out the difference of histopathology of the thallus. The effect of thallus submersion interaction and the growths were analyzed statistically. The results showed tembelekan leaf extract solution can inhibit the growth of the bacteria by cohabitation method. Submersion treatment for 60 minutes was able to suppress the ability of pathogens transmitting than 30 and 90 minutes by the cohabitation method. Pathologically, an 60 minutes submersion treatment shows better than any other treatments Abstrak Penelitian ini bertujuan menguji kemampuan larutan ekstrak daun tembelekan Lantana camara dalam mencegah dan mengurangi tingkat transmisi bakteri penyebab penyakit ice-ice pada thallus rumput laut Kappaphycus alvarezii secara kohabitasi, prevalensi secara in vivo dan melihat perbedaan pada thallus secara histopatologi. Hasil penelitian menunjukkan larutan ekstrak daun tembelekan dapat menghambat pertumbuhan bakteri penyebab ice-ice secara kohabitasi. Perlakuan perendaman selama 60 menit lebih mampu menekan kemampuan transmisi bakteri pathogen dibandingkan selama 30 dan 60 menit. Dilihat dari penampakan secara histopatologi, perlakuan 60 menit perendaman memperlihatkan jaringan yang lebih baik dibandingkan dua perlakuan lainnya

Isolasi dan Seleksi Bakteri Pendegradasi Solar Dari Pelabuhan Penyeberangan Kendari – Wawonii, Sulawesi Tenggara M. Rajab Sutra Mijaya; Nur Arfa Yanti; Ardiansyah Ardiansyah; Nurhayani H. Muhiddin
BioWallacea : Jurnal Penelitian Biologi (Journal of Biological Research) Vol 6, No 2 (2019): BioWallacea and Biotechnological Science
Publisher : University of Halu Oleo

This study aimed to obtain the ability of bacteria to degrade diesel fuel. Method of this research was exploration method. Bacteria were isolated by enrichment method used SMSSe enriched diesel 2% (v/v). Selection of hidrocarbonoclastic bacteria based on the ability of to grow on agar medium solid. The bacteria in the test made in the form of suspension with Mc Farland Standard 0.5. Test of bacterial isolates were used 10% of the inoculum put in 150 mL media with different concentrations of diesel fuel were 1%, 2% and 3% and incubated on a rotary shaker at 120 rpm. Samples were taken on 1, 5, 10, 15 and 20 days to test diesel emulsion by centrifugation at a speed of 3500 rpm ±15 minutes, the comparison between the media and diesel 4:1. Growth in the amount of bacteria accounted by a Standard Plate Count method. The levels of the diesel rest calculated every sampling during incubation. The selection results of obtained diesel degrading bacteria isolates that PSI.1 PSII.1 and PSIII.2. All of bacteria have the ability to degrade diesel fuel in different treatment, the best result in lowered diesel fuel that were a concentration of 3% during 20 days of incubated at PSII.1 isolate, that have the highest ability to reduce levels of diesel up to 70,70%.Keywords: Hydrocarbonoclastic, Degradation, Diesel fuels ABSTRAK Penelitian ini bertujuan untuk mengetahui kemampuan bakteri dalam mendegradasi solar. Penelitian ini adalah penelitian eksploratif. Isolasi bakteri menggunakan metode enrichment dengan media yang digunakan yaitu SMSSe yang diperkaya solar 2% (v/v). Pemilihan bakteri hidrokarbonoklastik berdasarkan kemampuan bakteri tumbuh pada media agar padat. Inokulum bakteri dibuat dalam bentuk suspensi dengan Standar Mc Farland 0,5. Pengujian kemampuan degradasi solar dilakukan menggunakan media minimal dengan variasi konsentrasi solar 1%, 2% dan 3% dan diinkubasi pada rotary shaker. Sampel diambil pada hari ke 1, 5, 10, 15 dan 20 untuk uji emulsi solar dengan menghitung volume solar yang teremulsi. Pertumbuhan jumlah bakteri dihitung dengan metode Standard Plate Count. Kadar sisa solar dihitung setiap pengambilan sampel selama inkubasi. Hasil seleksi bakteri pendegradasi solar diperoleh tiga isolat yaitu PSI.1 PSII.1 dan PSIII.2. Ketiga isolat bakteri memiliki kemampuan mendegradasi solar pada perlakuan yang berbeda, hasil terbaik dalam menurunkan kadar solar yaitu konsentrasi 3% selama 20 hari inkubasi pada isolat PSII.1 yang memiliki kemampuan tertinggi menurunkan kadar solar hingga 70,70%. Kata kunci : Hidrokarbonoklastik, Pendegradasi, Solar

Isolasi Dan Karakterisasi α-amilase Isolat Bakteri Amilolitik Asidofilik Dari Taman Nasional Rawa Aopa Watumaohai Sapto Raharjo; Ardiansyah Ardiansyah; Agus Chahyadi
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Volume 1 No 1 - December 2008
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ica.v1i1.2451

Isolation and characterization α-amylase acidophilic amylolytic bacteria isolate from Rawa Aopa Watumohai National Park has been carried out. The aims of these studies are to know the characteristics of acidophilic amylolytic bacteria isolate, the optimum concentration of substrate and temperature α-amylase activity yielded, and specific activity in each enzyme purification steps. Activity of α-amylase was measured with DNS (Dinitrosalisilic acidI) method at λ 550 nm and the rate of protein enzyme was measured with Biuret method at λ 540 nm. The content of this research were obtained the isolate bacteria TR 1 which higher amylolytic activity is the colonies are pale-yellow with convexelevated, undulate, bacill sel, and negative Gram. The maximum activity and protein content obtained with (NH4)2SO4 extracted at 60% (w/v). The specific activity of α-amylase in crude extract was 0.038 U/mg enzyme, after extracted with (NH4)2SO4 60% (w/v) was 0.146 U/mg enzyme with purification fold 3.8, and after dialysis was 0.255 U/mg enzyme with purification fold 3.8, respectively. The optimum concentration of substrate (amylose) was 1.25% (w/v) and the optimum incubation temperature was 45oC.Keywords : Rawa Aopa Watumohai National Park, acidophilic amylolytic bacteria, α-amilase

Isolasi dan Identifikasi Jatrophone dari Akar Jarak Merah (Jatropha gossyptfolia) serta Evaluasi Sifat Toksik dan Sitotoksiknya SAHIDIN I; ARDIANSYAH ARDIANSYAH; MUHAMAD TAHER
JURNAL ILMU KEFARMASIAN INDONESIA Vol 8 No 2 (2010): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1282.056 KB)

Isolation and identitication of secondary metabolites from root of Jatropha gossypyolia, and also its biological activity test toward microbes and tumor cells have been conducted, Isolation was carried out by using vacuum liqiud chromatography (VLC) method (adsorbent: silica gel, eluent: mixture of n-hexane, ethylacetate, chloroform, and methanol). The isolate molecular structure Was determined by spectroscopic technique i.e. FTIR, NMR-ID, 13C-DEPT, NMR-2D, comparing the data obtained with related data from literatures. Its biological activity was evaluated against bacteria (Acetobacter sp., Escherecia coli, Staphylococcus aureus, and Streptococcus sp.), fungi (Aspergillus nigcr, Pentcillium sp. [grey], Penicillium sp. [White] and Rhizopus sp.), and murine leukemia P-388 cells. The results showed that the isolate is a white needle crystal which is identified as jatrophone. Jatrophone is very active toward Acetobacter sp. (bacteria) and A. niger (fungi) with growth inhibition Zone of 3,6 cm and 4.4 cm, respectively. Meanwhile, jatrophone has low activity against murine leukemia P-388 cells with IC50, > 100 µg/mL.

THERMOHALOPHILIC BACTERIA PRODUCING THERMOSTABLE LIPASE FROM WAWOLESEA HOT SPRING, SOUTHEAST SULAWESI Sapto Raharjo; Muzuni; Ardiansyah; Rahman Hakim; Muh. Musafir; Tien; L.O.M. Iman Sulaeman
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 13 No. 1 (2026)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2026.14975

This study aimed to isolate and characterize thermohalophilic bacteria producing lipase and to purify thermostable lipase from the Wawolesea hot spring in Southeast Sulawesi. A total of 24 isolates were obtained, all of which demonstrated lipase-producing capability. Three selected isolates (BT2.M3, CT2.M4, and DT1.M2) were identified as Gram-negative bacilli and showed lipase activities ranging from 0.17 to 21 U/mL, with the highest activity recorded for BT2.M3 at 50°C and pH 6. Purification through ammonium sulfate fractionation yielded the highest activity in the 60–80% saturation fraction (43 U/mL) at pH 6–7 and 50–60°C. Protein analysis showed the highest concentration in the 80% dialysis fraction (0.954 mg/mL). These findings highlight the potential of Wawolesea thermohalophilic bacteria as a valuable source of thermostable lipase for biotechnological applications.

THERMOHALOPHILIC BACTERIA PRODUCING THERMOSTABLE LIPASE FROM WAWOLESEA HOT SPRING, SOUTHEAST SULAWESI Sapto Raharjo; Muzuni; Ardiansyah; Rahman Hakim; Muh. Musafir; Tien; L.O.M. Iman Sulaeman
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 13 No. 1 (2026)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2026.14975

This study aimed to isolate and characterize thermohalophilic bacteria producing lipase and to purify thermostable lipase from the Wawolesea hot spring in Southeast Sulawesi. A total of 24 isolates were obtained, all of which demonstrated lipase-producing capability. Three selected isolates (BT2.M3, CT2.M4, and DT1.M2) were identified as Gram-negative bacilli and showed lipase activities ranging from 0.17 to 21 U/mL, with the highest activity recorded for BT2.M3 at 50°C and pH 6. Purification through ammonium sulfate fractionation yielded the highest activity in the 60–80% saturation fraction (43 U/mL) at pH 6–7 and 50–60°C. Protein analysis showed the highest concentration in the 80% dialysis fraction (0.954 mg/mL). These findings highlight the potential of Wawolesea thermohalophilic bacteria as a valuable source of thermostable lipase for biotechnological applications.

Skrining Bakteri Termohalofilik Penghasil L-asparaginase dari Sumber Air Panas Wawolesea Sulawesi Tenggara dan Uji Aktivitas Enzimnya Muzuni Muzuni; Jamaluddin Jamaluddin; Suriana Suriana; Ardiansyah Ardiansyah; Nur Arfa Yanti
ALCHEMY Jurnal Penelitian Kimia Vol 20, No 1 (2024): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.20.1.73523.12-21

L-asparaginase merupakan enzim yang mengubah L-asparagin menjadi L-aspartat. L-asparagin dapat dimanfaatkan oleh sel kanker leukemia sebagai salah satu sumber nutrisinya. Penambahan L-asparaginase dapat menghambat pertumbuhan sel kanker. Penggunaan L-asparaginase dalam skala industri lebih mengutamakan L-asparaginase yang memiliki aktivitas dan stabilitas optimum di suhu tinggi, karena kecepatan reaksi dalam menghidrolisis L-asparagin tinggi, stabil dari denaturan misalnya detergen dan senyawa organik, dan stabil pada kondisi asam maupun basa. L-asparaginase yang memiliki aktivitas dan stabilitas di suhu tinggi dapat dieksplorasi dari mikroorganisme yang hidup di lingkungan yang bersuhu dan bersalinitas tinggi. Tujuan penelitian ini adalah untuk memperoleh isolat bakteri termohalofilik penghasil enzim L-aparaginase dari sumber air panas Wawolesea dan untuk mengetahui aktivitas enzim L-asparaginase yang dihasilkannya. Bakteri termohalofilik penghasil enzim L-asparaginase diperoleh dengan tahapan: isolasi bakteri pada media NA yang mengandung NaCl 1,5% – 1,6%; seleksi bakteri penghasil L-asparaginase pada media M-9; produksi L-asparaginase dengan prinsip fermentasi pada media produksi serta pengukuran aktivitas dan aktivitas spesifik enzim L-asparaginase. Hasil isolasi menunjukkan adanya 14 isolat bakteri termohalofilik yang mampu menghasilkan enzim L-asparaginase. Aktivitas enzim L-asparaginase tertinggi yaitu 86,61 IU/mL pada isolat AAT3.2 dan terendah yaitu 38,24 IU/mL pada isolat CAT1.1. Aktivitas spesifik tertinggi 6767,98 IU/mg pada isolat CAT3.2 dan terendah 684,54 IU/mg pada isolat CAT1.1.Screening of L-asparaginase-Producing Thermohalophilic Bacteria from Wawolesea Hot Springs in Southeast Sulawesi and Their Enzyme Activity Test. The L-asparaginase is an enzyme that can convert L-asparagine to L-aspartate. L-asparagine can be utilized by leukemia cancer cells as a source of nutrition. The use of L-asparaginase on an industrial scale prioritizes L-asparaginase that exhibits optimal activity and stability at high temperatures due to the high reaction rate in hydrolyzing L-asparagine, stability against denaturants such as detergents and organic compounds, and stability under acidic or basic conditions. L-asparaginase with activity and stability at high temperatures can be explored from microorganisms that live in high-temperature and high-salinity environments. This study aimed to obtain isolates of thermohalophilic bacteria that produce L-asparaginase enzymes from Wawolesea hot springs and determine the activity of the L-asparaginase enzymes. Thermohalophilic bacteria producing L-asparaginase from Wawolesea hot springs were obtained by the following steps: isolation of bacteria on NA (Nutrient Agar) media containing 1.5% – 1.6% NaCl, selection of L-asparaginase-producing bacteria on M-9 media, production of L-asparaginase with the principle of fermentation on production media and measurement of activity and specific activity of L-asparaginase enzyme. The isolation results showed that there were 14 isolates of thermohalophilic bacteria capable of producing L-asparaginase. The highest L-asparaginase enzyme activity was 86.61 IU/mL in AAT3.2 isolates, and the lowest was 38.24 IU/mL in CAT1.1 isolates. The highest specific activity was 6767.98 IU/mg in isolate CAT3.2, and the lowest was 684.54 IU/mg in isolate CAT1.1.

Characterization of type I L-asparaginase encoding gene from the thermohalophilic bacterium Bacillus subtilis CAT3.4 from Wawolesea Hot Spring, Southeast Sulawesi, Indonesia MUZUNI MUZUNI; MUHAMAD ILHAM; ARDIANSYAH ARDIANSYAH; SURIANA SURIANA; YUTRIANA PUTRI; KARTINA KARTINA
Biodiversitas Journal of Biological Diversity Vol. 24 No. 9 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240961

Abstract. Muzuni, Ilham M, Ardiansyah, Suriana, Putri Y, Kartina. 2023. Characterization of type I L-asparaginase encoding gene from the thermohalophilic bacterium Bacillus subtilis CAT3.4 from Wawolesea Hot Spring, Southeast Sulawesi, Indonesia. Biodiversitas 24: 5167-5178. This study aims to determine the molecular characteristics of the gene encoding type 1 L-asparaginase from CAT3.4 thermohalophilic bacterial isolates from the hot springs of Wawolesea, North Konawe, Southeast Sulawesi. This enzyme can be used as a cancer therapy agent and prevents the formation of acrylamide in food products. It is a kind of exploratory research. The characterization was done by amplifying the ansA gene sequence encoding L-asparaginase from CAT3.4 isolate by polymerase chain reactions (PCR) technique using primers AsnBac1-F1 (5'-ACGCGATATTTCTTTTGGCCGG-3') and AsnBac1-R1 (5'-CAGTGAAGAGGTGCATGGTATG-3'). The amplified PCR product was used as a template for sequencing by the Sanger method. The amino acid coding regions (CDS) obtained were bioinformatically characterized using the NCBI website for BLASTn analysis, restriction site and hydrophobicity profiles were analyzed using the BioEdit program, phylogenetic tree was analyzed using the MEGA X program, and type 1 L-asparaginase amino acid sequence was analyzed using the Expasy translate program. The characterization results showed that the target gene has a high similarity to the ansA gene sequence of 20 Bacillus subtilis strains, i.e., 99-100%, is closely related to the ansA gene of Bacillus subtilis strain SRCM103629 and Bacillus subtilis strain GOT9, can be identified using restriction enzymes MluI and BstI to differentiate the species of organisms they produce, has CDS encoding 329 amino acids with a dominant composition of polar amino acids (54.1%) and has a hydrophobicity profile of amino acids dominated by hydrophilic regions. All these characteristics have confirmed that the characterized gene is the ansA gene encoding type 1 L-asparaginase from Bacillus subtilis. The finding of the ansA gene from Bacillus subtilis in a thermohalophilic region in Southeast Sulawesi, Indonesia is a novelty of the research.

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