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Ivan Permana Putra
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Departemen Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Institut Pertanian Bogor, Kampus IPB Darmaga, Bogor 16680
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Jurnal Sumberdaya Hayati
Published by Institut Pertanian Bogor
ISSN : -     EISSN : 2477037X     DOI : DOI: 10.29244/jsdh.9.1.7-16
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
The "Jurnal Sumberdaya HAYATI" is a peer-reviewed and an open access journal published by Department of Biology, Bogor Agricultural University, Indonesia. The journal publishes significant and important research from all area of biodiversity, biosystematics, ecology, physiology, behavior, genetics and biotechnology. All life forms, ranging from microbes, fungi, plants, animals, and human, including virus.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol. 3 No. 1 (2017)" : 5 Documents clear
Ragam Jamur Asal Serasah dan Tanah di Taman Nasional Ujung Kulon Indonesia PUTRA, IVAN PERMANA; MARDIYAH, ERA; AMALIA, NELLY SAIDAH; MOUNTARA, ARIEH
Jurnal Sumberdaya Hayati Vol. 3 No. 1 (2017)
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.3.1.1-7

Abstract

Biodiversity is an important aspect which supports life systems on earth as well as maintains ecosystem sustainability and evolution. Fungal communities, in particular, saprophytic fungi, are often ignored during an inventory of biodiversity in the National Park Area. Saprophytic fungi is a fungus obtain nutrients by decomposing dead organisms or other organic material and act as decomposers in the ecosystem. Saprophytic fungi can be found growing on dead organic matter contained in the environment such as soil, wood, and litter. The diversity of Macroscopic saprophytic fungi from Ujung Kulon National Park is reported here. Fungal identification was done by using a variety of macroscopic characters. This study determined eight species that classified into six genera of saprophytic fungi, namely: Collybia, Crepidotus, Hygrocybe, Lepiota, Marasmius, and Mycena. By knowing the diversity of saprophytic fungi, it is expected to add information about biodiversity as a preparation towards the further development of the potential of existing biodiversity in Indonesia. 
Perilaku Harian Pachliopta aristolochiae Betina di Museum Serangga dan Taman Kupu Taman Mini Indonesia Indah (MSTK TMII) PRASETYO, AGUNG; PERSADA, ALAM PUTRA; AFIFAH, ISMAYATI; DJALIL, VELLA NURAZIZAH; RAFFIUDIN, RIKA
Jurnal Sumberdaya Hayati Vol. 3 No. 1 (2017)
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.3.1.8-13

Abstract

Pachliopta aristolochiae plays important role in the ecosystems. Their role as pollinators can be observed from their daily behaviors. This study aimed to observe the behaviors of butterfly P. aristolochiae as well as their food preferences on daily basis. This research was conducted at the Museum of insect and butterfly of Taman Mini Indonesia Indah. Observations were done in two female individuals based on scan sampling method. Behavior was observed according to perching, flying, nectaring and interaction activities. Our results indicate that P. aristolochiae mostly showed flying ( 35.9%) and nectaring (30.6%) activities. On the other hand, interaction (9.3%) was among the least behaviors observed during the study. Nectaring activity was mostly shown within 08.00 - 09.40 am, while perching was observed throughout the day within 11.00 - 16.00. During observation, P. aristolochiae was recorded in visiting various plants, including Ixora sp., Hibiscus rosa-sinensis, Clerodendrum japonicum, Ochna serrulata, Jatropha curcas and J. integrifolia. 
Karakterisasi Enzim Pendegradasi AHL dari Bacillus cereus INT1c dan Bacillus sp. NTT3a RATNANINGTYAS, SUSI; RUSMANA, IMAN; AKHDIYA, ALINA
Jurnal Sumberdaya Hayati Vol. 3 No. 1 (2017)
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.3.1.14-20

Abstract

Some of Gram-negative bacteria perform a phenomenon called quorum sensing (QS) to activate certain phenotypes such as pathogenicity. The bacterial cells performing QS produce N-acyl homoserine lactone (AHL) as signal molecules to communicate within a population. These molecules can be degraded by the enzyme, i.e. AHL lactonase. This study aimed to characterize the activity of AHL lactonase from Bacillus cereus INT1c and Bacillus sp. NTT3a in different pH and temperature levels. Both strains produce AHL-lactonase that could be found in intracellular and extracellular extracts. The dialysis process of extracellular AHL-lactonase of INT1c significantly increased the specific activity from 5.91 to 29.96, different from an extracellular enzyme of NTT3a that slightly increased from 4.08 to 5.39. Generally dialyzedAHL-lactonase of both B. cereus INT1c and Bacillus sp. NTT3a had activity in wide pH range with better activity in acidic pH and were not stable in high temperature with the highest activity at 30-40 oC. 
Sponge-Associated Actinobacteria: Morphological Character and Antibacterial Activity against Pathogenic Bacteria DITA, SASMIATI FARACH; BUDIARTI, SRI; LESTARI, YULIN
Jurnal Sumberdaya Hayati Vol. 3 No. 1 (2017)
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.3.1.21-26

Abstract

Sponge-associated actinobacteria may diverse and have potency to produce bioactive compounds. Diversity and antimicrobial activity of indigenous sponge-associated actinobacteria isolated from the marine ecosystem in Indonesia have not much been explored. This work aimed to assess morphological and antibacterial activity of sponge-associated actinobacteria. The morphological characteristics were examined based on their color of aerial and substrate mycelia, and pigmentation, while antibacterial activities were assayed using the antagonist technique. The selected actinobacterial isolate was identified using 16S rRNA gene. Various sponge-associated actinobacteria were successfully isolated from Hyrtios sp., Callyspongia sp., and Neofibularia sp. sponges. A total of 62 actinobacterial isolates were obtained, and each isolate showed a variety of morphological characters, which could be seen in aerial mass color, substrate mass color, and pigmentation. Actinobacterial isolates were tested against human pathogenic bacteria, i.e. Staphylococcus aureus and Methicillin-Resistant S. aureus, representing Gram-positive, and Escherichia coli EPEC K1-1 and Shigella dysenteriae, representing Gram-negative. Most of actinobacterial isolates had antimicrobial activities at least against one of pathogenic bacteria. High activity was shown by NOHa.2, isolated from Neofibularia, and HRHa.5 isolated from Hyrtios. The NOHa.2 showed the highest antimicrobial activity against S. dysenteriae, meanwhile, HRHa.5 showed antimicrobial activity against 3 of 4 tested bacterial pathogens. These data showed diversity of sponge-asccociated actinobacteria from marine ecosystem in Indonesia, and several of them have potency as source of antibacterial compounds
Potensi Limbah Cair Industri Tapioka sebagai Media Pertumbuhan Starter Bakteri Asam Laktat Pediococcus pentosaceus E.1222 WULAN, RAHAYU; MERYANDINI, ANJA; SUNARTI, TITI CANDRA
Jurnal Sumberdaya Hayati Vol. 3 No. 1 (2017)
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.3.1.27-33

Abstract

Fermentation of Lactic Acid Bacteria (LAB) Pediococcus pentosaceus can improve the quality of food and its shelf life. Using commercial LAB specific media, de Man Rogosa and Sharpe (MRS) for growth on industrial scale application is not efficient. Tapioca wastewater (TW) still contains some of the nutrients needed for the growth of P. pentosaceus, but needs the enrichment of carbon sources (5% of glucose) and nitrogen sources (ammonium sulfate). This study aimed to use tapioca industrial wastewater with the addition of glucose and ammonium sulfate as an alternative growth media for lactic acid bacteria P. pentosaceus E.1222. The results showed that glucose and nitrogen had no significant effect on the number of bacterial colonies. The highest substrate efficiency was tapioca wastewater (86.81%), MRS broth (53.73%), and TW with 5% of glucose and 1% of ammonium sulfate (43.53%) respectively. Maximum growth rate (μmaks) was found in TW with 5% of glucose and 1% of ammonium sulfate (0,52 hours-1). Increasing the starter volume until 1000 mL in TW with 5% of glucose and 1% of ammonium sulfate showed a slight decrease in the log number of bacteria from 8,836 (50 mL), 8,401 (500 mL), to 8,063 (1000 mL). 

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