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Iman Rusmana
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kPERHIMPUNAN MIKROBIOLOGI INDONESIA (SeKretariat PERMI), Gedung 10.2 Indonesian Life Sciences Center (ILSC), Zona Bisnis Teknologi Puspiptek, Jalan Raya Serpong - Bogor Gunung Sindur, Jawa Barat 16340, Indonesia. Email: microbiology.indonesia@gmail.com
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INDONESIA
Microbiology Indonesia
Published by Perhimpunan Mikrobiologi Indonesia
ISSN : 19783477     EISSN : 20878575     DOI : -
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology
Microbiology Indonesia provides a unique venue for publishing original researches in microbiology (espesially from Indonesian reseachers), and ensures that authors could reach the widest possible audience. Microbiology Indonesia publishes a wide range of research disciplines on bacteria, archaea, fungi, protozoa, and virus as well as biotechnology related to microbiology. Topics include (but are not limited to): -methods in microbiology, -bioprocess, -environmental microbiology, -food microbiology, -plant-microbe interaction, -animal-microbe interactions, -microbial community, -microbial genetics, -virology, -comparative and functional microbial genomics, -and gene expression in microbes.
Arjuna Subject : Imunologi dan Mikrobiologi (semua kategori) - Mikrobiologi dan Bioteknologi Terapan
Articles 5 Documents
 1 
Search results for , issue "Vol. 14 No. 3 (2020): September 2020" : 5 Documents clear
Genotypic Characterization of Rhizopus Spp. Tempeh and Usar: Traditional Inoculum of Tempeh in Indonesia tati barus; Jason Wiranata Sanjaya; Anastasia Tatik Hartanti; Adi Yulandi; Vivitri Dewi Prasasty; David Tandjung
Microbiology Indonesia Vol. 14 No. 3 (2020): September 2020
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1214.939 KB) | DOI: 10.5454/mi.14.3.3

Abstract

Abstract. Soybeans tempeh (tempeh) is processed by fermentation using Rhizopus spp. Tempeh is an important source of protein in Indonesia. The traditional inoculum in fermentation locally is known as Usar which is made from the leaves of Hibiscus tiliaceus. However, Rhizopus information from Usar is still limited. Therefore, this study aims to identify and investigate the genetic diversity of Rhizopus species from Usar and tempeh based on the Internal Transcribed Spacer (ITS) sequence and the Random Amplified Polymorphic DNA (RAPD) markers. Twenty-three Rhizopus strains were isolated from Usar and ten Rhizopus strains were isolated from tempeh. Based on ITS sequences, the isolates were similar to R Rhizopus microsporus (30 isolates) and Rhizopus delemar (3 isolates) with 98-99% similarity. The genetics of R. microsporus and R. delemar are varied and different from the genetics of R. microsporus from tempeh. The growth temperature of R. microsporus varies from 33 to 48°C and R. delemar can grow to a maximum at 33°C. The role of R. microsporus and R. delemar from Usar in determining the quality of tempeh is still limited. Therefore, it needs to be investigated further.
Detection of Liberibacter asiaticus causing Citrus Vein Phloem Degeneration from Siam Citrus leaves (Citrus nobilis var. microcarpa) in Singkawang City plantation, Pontianak, West Kalimantan RAHMAWATI RAHMAWATI; ILIANA ILIANA; AGUS RACHMAT; LATIFFAH ZAKARIA; MUKARLINA MUKARLINA
Microbiology Indonesia Vol. 14 No. 3 (2020): September 2020
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (962.672 KB) | DOI: 10.5454/mi.14.3.2

Abstract

The objective of the present study was to detect presence of pathogenic fastidious bacterium, Candidatus Liberibacter asiaticus using PCR from leaves of Siam citrus showing Citrus Vein Phloem Degeneration (CVPD) symptoms in Singkawang City plantation, Pontianak, West Kalimantan, Indonesia. Citrus leaf samples were collected based on visual observation of symptoms showing CVPD infection. Typical symptoms of CVPD include leaf yellowing (chlorosis), vein banding, leaves become stiff, thicker and smaller in size. The pathogenic bacterium, Candidatus Liberibacter asiaticus was detected using two specific primers, namely, OI1/ OI2c amplified 16S rRNA gene and A2/J5, amplified ribosomal protein gene of the rplKAJL-rpoBC operon (β-operon). PCR amplification detected the presence of 1100 bp band using OI1/ OI2c primers, and 703 bp band using A2/J5 primers from symptomatic Siam citrus leaves. PCR products were not detected from healthy plants serve as control. By using two sets of specific primers to amplify 16S rRNA gene and ribosomal protein gene, Candidatus Liberibacter asiaticus was detected in symptomatic Siam citrus leaves in Singkawang City, Pontianak, Indonesia. Detection of the bacterial pathogen causing CVPD is important to prevent spreading of the disease which could affect production of citrus fruits.
Detection of Salmonella sp. and Escherichia coli on Chicken Meat at Tamiang Layang Market: Detection of Salmonella sp. and Escherichia coli on Chicken Meat at Tamiang Layang Market AKHMAD RIZALDI; ENGKI ZELPINA
Microbiology Indonesia Vol. 14 No. 3 (2020): September 2020
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.265 KB) | DOI: 10.5454/mi.14.3.5

Abstract

Salmonella sp. and Escherichia coli (E. coli) are the two most important pathogens because they are indicators of food safety and sanitation indicators because they can potentially pose a high risk of foodborne disease. This study aims to look at the prevalence of Salmonella sp. and E. coli in the Tamiang Layang Market as supervision of food safety. A total of 6 chicken breast samples were taken at all chicken traders in the Tamiang Layang market. Testing the presence of Salmonella sp. and E. coli using MC-Media Pad. The existence of Salmonella sp. and E. coli in chicken meat at the Tamiang Layang market were 66.6% and 83.3%. The need to improve the hygiene and sanitation of chicken traders.
Antibiotic Sensitivity Pattern Among Diabetic Outpatients with Urinary Tract infection in Pontianak Mardhia Mardhia; Mahyarudin Mahyarudin; Abror Irsan
Microbiology Indonesia Vol. 14 No. 3 (2020): September 2020
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.13 KB) | DOI: 10.5454/mi.14.3.1

Abstract

Diabetic patients are associated with a higher risk of infection. The research purposed to identify antibiotic susceptibility patterns among diabetic outpatients with urinary tract infection in Pontianak. An experimental study was performed for 13 bacterial isolates of diabetic outpatients with urinary tract infection in the Clinic of Diabetes Mellitus, Sultan Syarif Mohamad Alkadrie Hospital, Pontianak. The disc diffusion method was used to perform the susceptibility of antibiotics to the bacterial isolates. Among 13 isolates, the most common causative agent of urinary tract infection was Escherichia coli (53.85%), followed by Pseudomonas aeruginosa (30.77%). Klebsiella spp and Enterobacter aerogenes were 7.69%. Most isolates of bacteria of the study had a high sensitivity to Cefepime (92.31%), then followed by Levofloxacin, Amikacin, and Meropenem for 84.62%. The study revealed low sensitivity of bacteria to Amoxicillin/Clavulanate, Co-Trimoxazole, Cefazoline and Ceftriaxone (30.77%, 23.08 %, 23.08%, 23.08%, respectively). All bacterial isolates had high resistance to Ampicillin. Moreover, multidrug resistance observed among bacterial isolates. Keywords: antibiotic susceptibility, diabetes, urinary tract infections
Effect of Hydrocarbon-Polluted Seawater on the Cell Density of Microalgae Scenedesmus vacuolatus Shihira & Krauss Clara Alverina Santoso; Noverita Dian Takarina; Hanies Ambarsari; Nining Betawati Prihantini; Sitaresmi
Microbiology Indonesia Vol. 14 No. 3 (2020): September 2020
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1974.751 KB) | DOI: 10.5454/mi.14.3.4

Abstract

Study about the effect of hydrocarbon-polluted seawater on the cell density of microalgae Scenedesmus vacuolatus has been done. Hydrocarbon pollution derived from oil in the sea can inhibit photosynthesis process of microalgaes. This might impact the density of microalgae cells. The purposes of this study are to determine the effect of the concentration of hydrocarbon-polluted seawater on the density of Scenedesmus vacuolatus microalgae cells and to determine the optimum treatment to reduce total petroleum hydrocarbons (TPH) levels. Sampling of hydrocarbon-polluted seawater was taken at Kali Adem port, Jakarta. The treatment done in this research used Walne medium with the addition of 25% hydrocarbon-polluted seawater (A), 50% (B), 75% (C), and 100% (D). Control is Walne medium with sterile seawater that was not from the Kali Adem port. The results showed the highest average density of Scenedesmus vacuolatus cells was in the control sample. This can be seen from the results of the average cell density at peak time of 29.48 x 105 cells / mL, as well as the log phase length of Scenedesmus vacuolatus. Measurement of TPH levels showed decreases of TPH in all treatments. The optimum treatment to reduce TPH levels is on treatment B with reduction percentage of 70.62%. Key words: Kali Adem port, Scenedesmus vacuolatus, total petroleum hydrocarbon (TPH), Walne medium

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