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All Journal HAYATI Journal of Biosciences Agrotrop : Journal on Agriculture Science METAMORFOSA Journal of Biological Sciences Buletin Udayana Mengabdi Jurnal Biologi Udayana Bumi Lestari SIMBIOSIS BIOMA : Jurnal Biologi Makassar Journal of Health Sciences and Medicine Indonesian Biodiversity Journal Indonesian Biodiversity Journal

Retno Kawuri

Program Studi Biologi Fakultas Matematika Ilmu Pengetahuan Alam, Universitas Udayana

Author-ID : 297230

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Public Health Veterinary

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ISOLASI DAN IDENTIFIKASI BAKTERI PELARUT FOSFAT POTENSIAL PADA TANAH KONVENSIONAL DAN TANAH ORGANIK Ilham .; Ida Bagus Gede Darmayasa; Retno Kawuri
SIMBIOSIS Vol 2 No 1 (2014)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (154.8 KB)

Phosphate solubilizing bacteria are decomposer bacteria functioning as major role in soilenrichment. That is because it is able to perform phosphate dissolution mechanism by excreting lowparticles weight of organic acids. The bacteria utilize simple carbon compounds (rootexudatesofplantsandthe restof theplant).Phosphate solubilizing bacteria activity will be high at atemperature of 300C - 400C. This study aims to isolate and identify thephosphate solubilizingbacteria intheconventional soil and organic soil originated from Japan. Conventional and organic soil sample aresent from Collage Of Agricultural Ibaraki University in Japan. The Isolation of pathogenic bacteria isperformed by the dilution method (platting method). Results of isolation of bacteria lisolates obtained 2on ground phosphate conventional solubilizing (TKO1 andTKO2) and 4 isolates of bacteria onsoilorganicsolubilizingphosphate(TOR1, TOR2, TOR3andTOR4). Bacteria lisolates TKO2 highestphosphate solubilizing. Based on the identificati on results using the Microgen ™ Kit GNA + B - IDSystem and Determine Bergeys 's Manual of Biology (Garrity et al., 2006)TKO2 isolate is identified asYersinia sp.Keywords : Phosphate solubilizing bacteria, conventional soil, organic soil, Yersinia sp.

UJI AKTIFITAS ANTIBAKTERI EKSTRAK ETANOL KULIT BUAH MANGGIS (Gracinia mangostana L.) TERHADAP PERTUMBUHAN BAKTERI Escherichia coli Putri Permata; Retno Kawuri; AA Ketut Darmadi
SIMBIOSIS Vol 6 No 1 (2018)
Publisher : Jurusan Biologi Universitas Udayana

Mangosteen rind has a benefical compounds liked xanthone which consisting of mangostin, mangosterol, mangostinon A and B, trapezifolixanthone, tovophyllin B, alpha and beta mangostin, garcinon B, mangostanol, gartanin, and flavonoid epikatekin that known contain an antibacterial and antidiare agent. Escherichia coliis an opportunistic bacterium that is commonly found in the human colon as a normal flora. Its unique because it can cause primary infection in the intestine such as diarrhea in children, as well as its ability to cause infection in other body tissues outside the intestine.This research was done from December 2016 to March 2017. The methods that used in this research were well diffusion test to know the inhibitory power by measuring the clear zone formed. measure the clear zone of mangosteen rind against Escherichia coli. Then to testing extract compounds, there was used phytochemicals screening test. Data there has been found will be analyzed through analysis of variance (ANOVA). In the inhibitory test of ethanol extract from mangosteen rind (G. mangostana L.), it was so effective to inhibit the growth of Escherichia coli through in-vitro test with a resistivity of 1,58 cm and categorized as a strong inhibitory, which MIC from mangosteen rind against Escherichia coli was 3,9% and the compounds that contain in ethanol extract from mangosteen rind (G. mangostana L.) were alkaloid, phenolik, flavonoid, saponin and terpenoid. Key word : antibacterial activity, Garcinia mangostana L., Escherichia coli.

POTENTIAL OF Pseudomonas sp. AND Ochrobactrum sp. ISOLATED FROM VARIOUS SOIL SAMPLE AS DEGRADING BACTERIA OF HIGH DENSITY POLYETHYLENE (HDPE) AND LOW DENSITY POLYETHYLENE (LDPE) PLASTIC Muhammad Inas Riandi; Retno Kawuri; Sang Ketut Sudirga
SIMBIOSIS Vol 5 No 2 (2017)
Publisher : Jurusan Biologi Universitas Udayana

plastics on a large scale has an effect on the increase to the amount of world waste, such as High Density Polyethylene (HDPE)and Low Density Polyethylene (LDPE) plastics. This study, tried to isolate Pseudomonas and Ochrobactrum bacteria from varioussoil in dumped soil area and mangrove forest in Bali to find out the degradation ability of the bacteria against HDPE and LDPEplastics. The methods used in this study were pour plate method, Biochemical and morphology identification by using Bergey’sManual of Determinative Bacteriology 9th Edition book as a reference, screening test and the determination of bacterial species byusing Vitek 2 Compact System. Evaluation of degradation result was done by measuring the weight loss of plastics residues. Thisstudy has isolated 27 bacteria that estimated from genus Pseudomonas and Ochrobactrum with characteristics as basil shape, Gramnegative, positive catalase and classified as non-fermenter bacteria. Isolate 2 bacteria which isolated from Suwung dumped soil hasidentified as Ochrobactrum anthropi with the ability of HDPE degradation by 20% and Isolate 24 which isolated from Karangasemdumped soil has identified as Pseudomonas aeruginosa with the ability of HDPE degradation by 18,75%.Keywords : Plastics waste, Biodegradation, High Density Polyethylene and Low Density Polyetene

POTENSI KONSORSIUM BAKTERI UNTUK BIOREMEDIASI LIMBAH CAIR RUMAH POTONG HEWAN PESANGGARAN BALI Gusti Ngurah Wisnanda Putra; Retno Kawuri; Job Nico Subagio
SIMBIOSIS Vol 10 No 1 (2022)
Publisher : Jurusan Biologi Universitas Udayana

Slaughterhouses produce solid waste and liquid waste. The liquid waste consists of urine, blood, fat, and carcass washing water which causes pollution to the environment if not treated in a good way. This study aims to determine the potential of a consortium of bacteria (Bacillus sp., Klebsiella sp.) in remediating the abattoir wastewater. This research was conducted from January to April 2021 at the Microbiology Laboratory of the Biology Study Program, Faculty of Mathematics and Natural Sciences, Udayana University, and the Analytical Laboratory of Udayana University, using the Sequence Batch Reactor (SBR) method, with the varying treatment of a consortium of bacteria concentration i.e 0 (as control), 10, 20, 30, 40, and 50 mL in 2 liters of liquid waste. Parameters observed were changes in physical parameters, BOD5, Total Plate Number (ALT), and nitrite and nitrate content of waste samples. The results of this study showed that treatment 5 is giving a bacterial consortium dose of 50 mL/2 liters of wastewater was the most effective dose with a BOD5 value of 0.82 g/L, clear yellow without odor, TDS Final Value 539.6 mg/L, and the number of bacteria 9.54 x 1010 and a decrease in nitrite and nitrate by -0.001 and 1.743 mg/L

UJI KEMAMPUAN SPORA CENDAWAN MIKORIZA ARBUSKULA (CMA) LOKAL BALI PADA PERTUMBUHAN TANAMAN KEDELAI (Glycine max L.) Risha Masfufah; Meitini W. Meitini W. Proborini; Retno Kawuri
SIMBIOSIS Vol 4, No 1 (2016)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (251.441 KB)

Necessity of soybean in Indonesia increase every year along with population growth. The goverment need to importthe soybeans from abroad. Soybean in Indonesia are generally planted in ricefield and upland (dryland) which have potentialof deficiency water. Water deficiency can caused the reduction of soybean production. Therefore some alternatives are neededto increase the yield of soybean productivity, one of them is applying arbuscular mycorrhizal fungi (AMF). The aim of thisresearch was to know the dosage of isolates AMF to increase the growth of soybean. The experiments conducted over 2months at Agriculture Faculty’s Greenhouse, Udayana University. The research use Completely Randomized Design whichconsists of 5 treatments, which are : without inoculation/negative control (M0), 50 spores AMF (M1), 100 spores AMF (M2),150 spores AMF (M3), and ZA/positive control (M4). The results showed that, the inoculation of spores AMF Bali indigenuswere significantly different (P<0,05) on the number of leaves, leaf length, root fresh weight, and percentage of rootcolonization. The parameter of plant height, leaf width, plant fresh weight, and plant dry weight are no significant different(P>0,05) based on analysis of variance (ANOVA) level 5%. Doses 50 spores AMF (M1) is the dose of inoculants has beenable to increase number of leaves, leaf length, root fresh weight, and percentage of root colonization.Keywords : fungi mycorrhizal arbuscular, mycorrhiza doses, soybean.

THE APPLICATION OF ISOLATE LACTIC ACID BACTERIA (LAB) Lactobacillus bulgaricus and Streptococcus thermophilus IN BODY SCRUB PRODUCTION Bayu Putri Handayani; Retno Kawuri; Ni Luh Suriani
SIMBIOSIS Vol 6 No 2 (2018)
Publisher : Jurusan Biologi Universitas Udayana

The majority of body scrub that are distributed in the market contain paraben. Paraben is a type chemicals that are safe to use in the appropriate amount. But it could cause skin irritation. This research was conducted to know the durability from natural body scrub by yogurt and rice flour without chemical preservative and safe for skin. The research methods are comparison of the use of Lactobacillus bulgaricus and Streptococcus thermophilus with concentration 25:25; 30:20; 20:30. The yogurt will be mixed with rice flour and the treatment control using factory yogurt with concentration of rice flour comparing with yogurt namely 10:14; 10:16; 10:18. This product was tested to 50 panelists. This product was kept in room temperature ±28oC for a month and conducted the identification of microbial impurities that contaminate the product with Gram staining method and catalase test. Data was analyzed by analysis of variance (ANOVA). Starter with different comparison 25:25, 30:20; 20:30 are not making real difference. All of the treatment produce yogurt with typical aroma of yogurt, white colored, and soft texture. The formula in K2 (10:16) treatment with the highest average that obtained 3.38 (very like) in color parameter and 3.08 (very like) in texture parameter. Although in aroma parameter the average value that obtained is 2.79 (like). In A1, A2, and B2 treatment had the highest durability percentage that obtained 83,3% and the lowest was shown in K1 and K3 treatment that obtained 0%. Microbial impurities that identified was bacteria from Genus Bacillus and Genus Streptobacillus, fungal impurities from Genus Aspergillus, Rhizopus, and Trichoderma. Keywords : lactic Acid bacteria, yogurt, Lactobacillus bulgaricus, Streptococcus thermophilus, body scrub

UJI KEBERADAAN Staphylococcus aureus PADA SOSIS TRADISIONAL (URUTAN) YANG BEREDAR DI PASAR TRADISIONAL DI DENPASAR, BALI Ni Putu Niti Rahayu; Retno Kawuri; Ni Luh Suriani
SIMBIOSIS Vol 2 No 1 (2014)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.505 KB)

The aim of this study is to determine the total amount of Staphylococcus aureus in atraditional sausage (urutan) sold in Denpasar traditional market in Bali. Sausage samples aretaken from four areas in Denpasar (North Denpasar, East Denpasar, West Denpasar, and SouthDenpasar). From each area, three traditional markets are selected and from each market 2merchants are chosen. The calculation of the number of Staphylococcus aureus is done byplatting method and by pour plate method. The results show that the highest number ofStaphylococcus aureus belongs to the North Denpasar region in the mount of 241,067 CFU/gwhile the lowest belongs to the region of West Denpasar with 71,233 CFU/g. These two resultsare significantly different with one another (P<0,05). The maximum limit of microbialcontamination in processed meats (sausages) for Staphylococcus aureus based on IndonesianNational Standard (SNI) is equal to 102 CFU / g. Based on the testing that has been done, allurutan contamination by the Staphylococcus aureus in Denpasar traditional market, hasexceeded the threshold amount of SNI.Keywords : Traditional Sausages (urutan), Staphylococcus aureus

ELIMINATION OF Escherichia coli O157:H7 AND Escherichia coli O157 ON MEAT BY ULTRAVIOLET IRRADIATION Revi Juniar Nutrihidayah; Retno Kawuri; Inna Narayani
SIMBIOSIS Vol 9 No 1 (2021)
Publisher : Jurusan Biologi Universitas Udayana

Infection is a major problem mortality and morbidity in the world, a lot of an infection in the digestive tract is causes bacteria. The Escherichia coli O157 and Escherichia coli O157: H7 strains are bacteria that cause bloody diarrhea to death. Ultraviolet light has the potential to eliminate bacteria. The purpose is to know decontamination of E. coli O157 and E. coli O157: H7 on meat after ultraviolet exposure. The method is a factorial RBD with two factors (distance and time) with variations in distances (5, 10, 15, and 20 cm) and times (5, 10, 15, 20 dan 25 minutes). All treatments were repeated twice and obtained 160 samples. The quantitative data obtained were using univariant analysis followed by the Least Significant Difference with a significant level of 5%. The irradiation for E. coli O157 on meat with 5 cm for 25 minutes showed a significant reduction (88,62%), while the farthest distance 20 cm for 25 minutes decreased (73,42%). The nearest irradiation E. coli O157: H7 on meat 5 cm for 25 minutes show decrease (86,78%), while the farthest distance was 20 cm for 25 minutes (75,16%), there was an increase colonies in several treatment variations but overall decreased. In conclusion there was significant decrease number of bacterial colonies in meat given E. coli O157 culture, while there was a fluctuation decrease number of colonies in meats given E. coli O157: H7 culture.

EFEKTIFITAS DAYA HAMBAT BAKTERI Streptomyces sp TERHADAP Erwinia sp PENYEBAB PENYAKIT BUSUK REBAH PADA TANAMAN LIDAH BUAYA (Aloe barbadensis Mill) SARMILA TASNIM; RETNO KAWURI; NI PUTU ADRIANI ASTITI
SIMBIOSIS Vol I, No 1, Tahun 2013
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (132.751 KB)

Streptomyces sp was conducted from December 2010 - June 2011 at the Laboratoryof Microbiology, Biology Department, Math and Science Faculty, UdayanaUniversity Bukit Jimbaran-Bali. Implementation stages of the research consisted ofisolation and testing of the antibiotic activity Streptomyces sp to inhibit growthbacterial pathogens Erwinia sp as a cause of disease in plants fallen foul (Soft rot) ofAloe barbadensis Mill.The results of this study have eight isolates of Streptomyces spwith macroscopic and microscopic characters are varied. Furthermore, all isolateswere obtained and then tested against antibiotic activity to inhibit growth the bacteriaErwinia sp. Test results obtained by Streptomyces sp that has the most effective ininhibiting the ability of the bacteria Erwinia sp isolates are Streptomyces sp2for (45%).

DETEKSI Escherichia coli DAN ANGKA LEMPENG TOTAL BAKTERI PADA LAWAR BABI DI KECAMATAN ABIANSEMAL, KABUPATEN BADUNG, PROVINSI BALI Ni Ketut Febri Antini; Retno Kawuri; I Made Sara Wijana
SIMBIOSIS Vol 10 No 1 (2022)
Publisher : Jurusan Biologi Universitas Udayana

ABSTRACT Lawar babi is a Balinese food that is much liked, both by the locals and by tourists visiting Bali. Good and healthy food must be free of pathogenic bacteria and must meet the maximum threshold for bacterial contamination according to the Badan Pengawas Obat dan Makanan (BPOM). The purpose of this research was to determine the presence of Escherichia coli and the total plate count (TPC) of bacteria in lawar putih and lawar merah sold in Abiansemal District, Badung Regency, Bali Province. Samples were taken from 10 random traders in the Abiansemal area. This research was conducted at the Laboratory of Microbiology, Department of Biology, Faculty of Mathematics and Natural Sciences, Udayana University. Methods used in this research consists of the plating method. The test results showed that 40% of lawar merah had E. coli contamination exceeding BPOM requirements is < 3 MPN/g, while 30% of lawar putih had E. coli contamination. The highest E. coli contamination occurred in Sangeh, namely lawar merah (6.3 ± 0.76) MPN/g, while lawar putih (4.0 ± 0.49) MPN/g fluctuated. E. coli bacteria contamination in blood was highest in Sangeh at (1.9 ± 0.50) MPN/g. The results of ALT bacteria on lawar merah showed 80% did not meet BPOM requirements is < 1 x 106 CFU/g, while lawar putih did not meet BPOM requirements by 40%. The highest ALT value in pig blood in Sibang Gede II (Banjar Badung) was (18.97 ± 0.42) x 103 CFU/g. The use of fresh blood as a red dye caused an increase in bacterial contamination of lawar merah.

Co-Authors Anak Agung Gde Raka Dalem Anak Agung Ketut Darmadi Andreas Putro Ragil Santoso ANINDA OKTAVIA RAHARINI Aryadi Millenia Saputra Bayu Putri Handayani Chandrika, Carmen Gisela Darmadi, A.A. Ketut Diah Kharismawati Djereng Dwi Ariani Yulihastuti Gusti Ngurah Alit Susanta Wirya Gusti Ngurah Wisnanda Putra H. Yuswanti I Gede Agus Pradana Putra I Gusti Agung Ayu Ratnawati I Ketut Ginantra I KETUT MUKSIN I Komang Adi Widyastama I Made Dira Swantara I Made Sara Wijana I Putu Gede Ardhana I WAYAN EKA DHARMAWAN I Wayan Yogi Widyastana I.G.A. Gunadi I.G.A.S. Wahyuni Ida Ayu Putri Darmawati Ida Bagus Gede Darmayasa Ilham . Inna Narayani IRIANI SETYAWATI Ivani Dayanara Job Nico Subagio K.A. Yuliadhi K.B. Susrusa Khamdan Khalimi Khotima Dwi Cahya Luh Made Ary Somia Vagestini LUH Puru ESWARYANTI KUSUMA YUNI Made Mega Yuliasari Made Mira Pratiwi MADE PHARMAWATI Made Ria Defiani MADE SUSUN PARWANAYONI Meitini Proborini Wahyuni Muhammad Inas Riandi N.N.A. Mayadewi NI KADEK LOSIANI Ni Ketut Febri Antini Ni Ketut Yuliana Sari Ni LUH ARPIWI Ni Luh Cipta Ayumi Nellawati Ni Luh Suriani Ni Luh Watiniasih Ni Made Suartini Ni Made Widyasari Ni Nyoman Wirasiti Ni Putu Adriani Astiti Ni Putu Niti Rahayu Ni Wayan Desi Bintari Ni Wayan Purni wirathi Ni Wayan Sudatri NURI MANDAN SARI Putri Permata Putu Anjarina Putu Ayu Parwati Putu Ayu Sukmawati Putu Cindy Arista Revi Juniar Nutrihidayah Rindang Dwiyani Risha Masfufah Risky Vidika Apriyanthi Rochmalia Juniarti Putri Rochmalia Juniarti Putri SANG KETUT SUDIRGA SARMILA TASNIM Suta Arta TRISNA AGUNG PHABIOLA WIWIK SUSANAH RITA Y. Fitriani Yan Ramona

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