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INDONESIA
JURNAL BIOLOGI INDONESIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 32 Documents
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Search results for , issue "Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA" : 32 Documents clear
Conservation Area at Cirebon Quarry (Mt. Blindis) ands It’s Potency in Carbon Sequestration Yulistyarini, Titut; Fiqa, Abban Putri; Laksono, Rachmawan Adi
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1001.411 KB) | DOI: 10.14203/jbi.v12i1.2311

Abstract

The biodiversity conservation areas of Cirebon quarry, in this case Blindis and Sari mountains is a limestone ecosystem.Limestone ecosystems play an important role in climate regulation. Quantifying the organic carbon storage of limestoneecosystems in this area definitely helps to evaluate the roles of these ecosystems in both global and regional carbon cyclesand also their impact on climate. This research was carried out to know the complete data of carbon storage in Cirebonquarry on each ecosystem types. In deep, it will give information which ecosystem and carbon pool that contributes thehighest carbon stock. The carbon stock calculating methods in above-ground was based on RaCSA (Rapid Carbon StockAppraisal) methods. Based on the observation, there are three ecosystem types in Cirebon Quarry i.e. Opened Area, ThickBushes and Secondary Forest. The result showed that Secondary forest had the highest total C-stock which was 87.18 t Cha-1, while the C-stock on Thick Bushes and Opened Area were 42.95 and 17.92 respectively. The total C stock inbiodiversity conservation area of Cirebon Quarry was 148.05 t C ha-1 comprises 48% of C plant biomass and 52% of Csoil.Key words: carbon stock, Cirebon quarry, limestone area
Opsi Pendanaan Biodiversity di Indonesia Haryanto, Joko Tri
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2318

Abstract

The contribution of biodiversity to economic development, social and ecological in Indonesia today and thefuture are already being felt very real. Unfortunately, as well as economic development approach to the greeneconomy that appears on the answers rampant deforestation and forest degradation, biodiversity atmospheretoday in Indonesia is under pressure and decrease impact on the species and environmental balance problemsand poverty. Besides the problem of public funding also be other problems. In this case, government role to bevery significant through the Transfer to the Regions. By using the methodology analysis desk study, it can berecommended that General Allocation Fund (DAU) is the main policy priority for funding biodiversity, throughthe addition of indicators of the Fiscal Needs (KbF). Other policy options are DAK mechanism throughimprovement criteria.Keywords: Biodiveristy, General Allocation Fund (DAU), Specific Allocation Fund (DAK), Forestry,Environment
Pemurnian Parsial dan Karakterisasi Amilase dari Bakteri Laut Arthrobacter arilaitensis LBF-003 Rahmasari, Dianti; Wijanarka, Wijanarka; Pujiyanto, Sri; Rahmani, Nanik; Yopi, Yopi
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2323

Abstract

Starch is an abundant carbon source in nature, and ?-amylase (1, 4-?-D-glucanohydrolase; EC 3.2.1.1), which hydrolyzes ?-1, 4-glucosidic linkage in starch-related molecules. Microbe ?-amylase production is a hydrolytic enzyme and one ofinterest in its microbial production has increased dramatically due to its wide spread use in food, textile, baking anddetergent industries in recent years. Here we report ?-amylase from marine bacterium which was purified andcharacterized, as well as analyzed its hydrolysis product on starch. The enzyme of Arthrobacter arilaitensis partiallypurified by acetone precipitation with 90% and ion exchange chromatography produced specific activity 0.25 U/mg and0.38 U/mg, and it’s purity rate increased until 1.14 fold compared with former crude extract. Purifed extracelluler amilasehad an optimum activity at temperature 50°C and pH 9.0. An apparent molecular mass was between 50-75 kDa, asestimated by zimogram electrophoresis. Hydrolysis products of this enzyme on starch were maltose, maltotriose andmaltoheptaose.Keywords: alfa amylase, marine bacterium, Arthrobacter arilaitensis, purification, charaterization
Hutan Gambut Suaka Margasatwa Giam Siak Kecil dan Hutan Gambut PT Arara Abadi – Popinsi Riau; Vegetasi dan Kerusakannya Sadili, Asep
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2307

Abstract

This study aims to determine state of plant vegetation stands within of damage level at the Giam Siak Kecil wildlife sanctuary (Tasik Betung area) and Conservation Forest PT Arara Abadi (Bukit Batu area) - Riau. Several plots of different vegetation types were used in this study. The number of plots develoved in Tasik Betung were 13 plots, while in Bukit Batu were 11 plots (50 x20 m). The plots were  conducted for trees (10 x10 m) and belta (5 x 5 m). The two study sites were generally susceptible to interference, especially in Tasik Betung. The total number of trees and belta were recorded for 178 species, 91 genera and 43 families. The main trees species at Tasik Betung was dominated by Pandanus Artocarpus (IV=17,35%), while Bukit Batu was Gonystylus bancanus (IV=21,35%), The  belta  category at Tasik Betung was dominated by Gymnacanthera contracta (IV=19,31%), while  in Bukit Batu was Mangifera parvifolia (IV=34,71%). Species protected  of Endangered species found were Dillenia excelsa, Garcinia bancana, Shorea parvifolia, S. teysmaniana, S.uliginosa, Vatica rassak, and V. umbonata.  Keywords: Bukit Batu, peat swamp forest, Riau, vegetation, Tasik Betung. 
Produktivitas dan Serapan Nutrien Harian Spirogyra sp. dan Hydrodictyon sp. Pratiwi, Niken Tunjung Murti; Ayu, Inna Puspa; Nugraha, Bayu
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (821.599 KB) | DOI: 10.14203/jbi.v12i1.2325

Abstract

This research aimed to analyze the potency of primary productivity (PP) and daily nutrients uptake ofSpirogyra sp. and Hydrodictyon sp. The research was conducted using Randomized Block Design andCompletely Randomized Design. Randomized Block Design was used to determine the difference of PP ofboth filamentous microalgae in different time periods. Completely Randomized Design was used to determinethe difference of daily net primary productivity and total amount of nutrients utilization by both filamentousmicroalgae in the same light intensity. The observations showed that Spirogyra sp. dan Hydrodictyon sp. hassame PP (p>0,05), both in total (daily) and time periods. The morning PP of two filamentous microalgae weredifferent from the daylight (p<0,05), and the daylight has different value from the afternoon (p<0,05), but therewere similar value of PP between morning and afternoon (p>0,05). Spirogyra sp. and Hydrodictyon sp. hassimilar capability in uptaking nutrients daily and in time periods observations (p>0,05).Keywords: Hydrodictyon sp., nutrients, primary productivity, Spirogyra sp.
The Effect of Bio-VA Mycorrhizae Inoculation on Biomass of Trees and Carbon Stock of Eight Forest Tree Species in Bodogol Plantation-Sukabumi, Indonesia Sukiman, Harmastini; Heriyanto, NM.
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2309

Abstract

Studi tentang pengaruh Bio-Mycorrhizae (BIO-VAM) pada biomasa dari delapan species tanaman dan stok karbonnyadilakukan dengan metoda destruksi sampel dari tanaman yang terpilih di Bodogol, Sukabumi, Jawa Barat. Data yangdidapat dari penelitian menunjukkan bahwa inokulasi Bio-VAM menunjukkan hasil yang positif terhadap biomasatanaman dan stok karbon. Volume biomasa tanaman tertinggi ditunjukkan oleh species tanaman umbrella tree (Maesopsisemenii. Eng) yakni 387,5 g per tanaman apabila diinokulasi dengan mikorisa dan 211,6 g per tanaman tanpa mikorisadiikuti dengan sengon buto (Enterolobium cyclocarpa Griseb), rasamala (Altingia excelsa Noronhae), manglid (Magnoliablumei Prantl), sawo duren (Chrysophyllum cainito L)., ki bereum (Adinandra dumosa Jack) bisbul (Diospyros blancoiDesr.) dan biomasa tanaman terendah ditunjukkan oleh species podocarp/ jamuju (Podocarpus imbricata R.Br) 82,76 gdengan inokulasi mikorisa dan 65,77 g tanpa inokulasi mikorisa. Karbon stok tertinggi ditunjukkan oleh tiga spesiestanaman yakni umbrella tree (Maesopsis emenii. Eng.) 3,23 ton C/ha dengan inokulasi mikorisa sementara tanaman kontrolmenunjukkan 1,76 ton C /ha, dan 11,85 ton CO2 /ha dan 6,46 CO2 /ha. Diikuti oleh sengon buto (Enterolobium cyclocarpaGriseb), rasamala (Altingia excelsa Noronha) Kontribusi karbon stok terendah ditunjukkan oleh podocarp (Podocarpusimbricata Blume) yakni 0,07 ton C/ha (dengan inokulasi BioVAM ) dan 0.05 ton C/ha (tanpa inokulasi BioVam) 0,26ton CO2 /ha dan 0,18 ton CO2. Tujuan dari penelitian ini adalah menganalisa pengaruh inokulasi Bio-VA Mycorrhizaeterhadap produksi biomasa tanaman dan stok karbon selama pertumbuhan tanaman.Kata Kunci: BIO-VAMycorrhizae, inokulasi, biomas tanaman hutan , stok karbon.
KEANEKARAGAMAN JENIS DAN PEMANFAATAN SUMBERDAYA OLEH KELELAWAR SUB ORDO MEGACHIROPTERA DI TAMAN WISATA ALAM GUNUNG MEJA MANOKWARI, PAPUA BARAT Bumbut, Petrus Izak; Kartono, Agus Priyono; Maryanto, Ibnu
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2321

Abstract

Bats utilizing resources together will differ morphologically, ecologically, and behaviorally. This study aimed to measurespecies diversity and to investigate resource use by Megachiropteran bats. Data were analyzed using Principal ComponentAnalysis (PCA), Canonical Correspondence Analysis (CCA), Correspondence Analysis (CA), euclidean distance, chisquare, Anova, and niche overlap index. The result showed seven bat species were captured in three habitat types. Plant asfood identified from pollen comprised 55 species from 29 families and 11 types of corolla. Dobsonia magna and Rousettusamplexicaudatus preferred mixed fruit plantation, whilst other bat species tended to choose primary forest. Dobsonia minortended to have high niche overlap against Macroglossus minimus and Nyctemene aello. According to similarity of foodresource niche, Dobsonia magna, Dobsonia minor, and Macroglossus minimus tended to closely associate, in contrast,Rousettus amplexicaudatus, Nyctemene albiventer, Nyctemene aello, and Syconicteris australis were groupedcorrespondingly. Niche overlap index of food resource among bat species were overall less than 50%. This indicated thatthere was no interspecies competition to food resource. Coronoid process height (CPH), maximum zygomatic breadth(MZB), and condyle to canine bite point (CC) were craniodental morphology variables which did not describe certaincorolla types.Keywords: species diversity, resource use, niche overlap, Megachiropteran, Gunung Meja
HUTAN GAMBUT SUAKA MARGASATWA GIAM SIAK KECIL DAN HUTAN GAMBUT PT ARARA ABADI – POPINSI RIAU; VEGETASI DAN KERUSAKANNYA Sadili, Asep
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2307

Abstract

This study aims to determine state of plant vegetation stands within of damage level at the Giam Siak Kecil wildlife sanctuary (Tasik Betung area) and Conservation Forest PT Arara Abadi (Bukit Batu area) - Riau. Several plots of different vegetation types were used in this study. The number of plots develoved in Tasik Betung were 13 plots, while in Bukit Batu were 11 plots (50 x20 m). The plots were  conducted for trees (10 x10 m) and belta (5 x 5 m). The two study sites were generally susceptible to interference, especially in Tasik Betung. The total number of trees and belta were recorded for 178 species, 91 genera and 43 families. The main trees species at Tasik Betung was dominated by Pandanus Artocarpus (IV=17,35%), while Bukit Batu was Gonystylus bancanus (IV=21,35%), The  belta  category at Tasik Betung was dominated by Gymnacanthera contracta (IV=19,31%), while  in Bukit Batu was Mangifera parvifolia (IV=34,71%). Species protected  of Endangered species found were Dillenia excelsa, Garcinia bancana, Shorea parvifolia, S. teysmaniana, S.uliginosa, Vatica rassak, and V. umbonata.  Keywords: Bukit Batu, peat swamp forest, Riau, vegetation, Tasik Betung. 
PSEUDOZYMA APHIDIS AS INOCULANT FOR LOCAL CHICKEN Rahmansyah, Maman; Sugiharto, Arwan; Kanti, Atit
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2327

Abstract

SHORT COMMUNICATION
PENGARUH ESTRADIOL-17? DAN KOLAGEN TIPE IV TERHADAP EKSPRESI GEN PIK3CA UNTUK MENGINDUKSI EKSPRESI C-ERBB2 PADA LINI SEL KANKER OVARIUM SKOV-3 Martgrita, Merry Meryam; Tan, Marselina Irasonia
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2312

Abstract

Ovarian cancer cell metastasis is induced by signaling pathway activated by the binding of type IV collagen to ?1 integrinreceptor on the surface of cancer cells and estrogen binding to estrogen receptor. However, the role of estradiol-17? andtype IV collagen on the development of ovarian cancer have not been clearly understood. Therefore, this research wasconducted to observe the differential gene expression in SKOV-3 ovarian cancer cells cultured on type IV collagen andtreated with estradiol-17?, and incubated for 12, 24 and 72 hours. Differential display RT-PCR was used to express thedifferential expression gene after treatment. cDNA fragment that expressed differentially was isolated and sequenced.Sequencing result on one of the cDNA fragment showed that PI3K is one of the gene expressed in SKOV-3 ovarian cancercell. To verify this result, cDNA was amplified using PIK3CA specific primer. The increasing level of PIK3CA is inducedby three kinds of receptor activities, those are c-erbB2 receptor bound to estradiol-17?, homodimer receptor of c-erbB2, andthe activity of integrin receptor bound to type IV collagen. The increasing level and activity of PIK3CA can also increasethe expression of c-erbB2 gene. In SKOV-3 cells cultured on type IV collagen for 72 hours, the increasing of PIK3CA andc-erbB2 expression level is very low. The conclusion is that estradiol-17? gives a more significant effect than type IVcollagen to induce the increasing expression of PIK3CA and c-erbB2 genes.Keywords: ovarian cancer, SKOV-3, type IV collagen, estradiol-17?, PIK3CA, c-erbB2

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