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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 847 Documents
 67   68   69   70   71 
NEW RECORDS OF THE SPIDER FAUNA FROM SARAWAK, MALAYSIA Nasir, Dzulhelmi Muhammad; Xing, Wong Chun; Mamat, Nur Syahirah; Pui, Yong Min; Sulaiman, Badiozaman
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2899

Abstract

SHORT COMMUNICATION New Records of the Spider Fauna from Sarawak, Malaysia
POLA SEBARAN KUPU-KUPU PADA BERBAGAI TIPE EKOSISTEM DI GUNUNG CIREMAI Noerdjito, Woro A.; Erniwati, Erniwati
JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i3.3183

Abstract

ABSTRACTDistribution Pattern of Butterflies on Various Ecosystem at Mt. Ciremai. To know the effectof ecosystem type on distribution pattern of butterflies in Ciremai mountain, we comparedbutterfly fauna between urban area (perkampungan), secondary and primary forest from 1000m asl to 1700 m asl., located in Apuy and Linggarjati tracks. During our study in Apuy (4 ? 22April 2006) and Linggarjati (15 May? 4 June 2007) we recognized 66 species within 7 groups.Four groups distributed in specific habitats such as (1) perkampungan (Argomukti vilage,Apuy, 1000-1200 m.asl.), (2) secondary forest (Legok Pasang, Apuy, 1500-1600 m.asl.), (3)outsite forest Linggarjati, 800-1100 m.asl. (4) Linggarjati forest edge at 1100-1400 m asl. Theothers groups are butterflies that only distributed in Linggarjati or Apuy. Microclimate duringour study as well as weather condition at the time such as cloud, wind and rain impact theactivity of butterfly species and reflected to the species collected. Although the researchconducted in the same season (wet season) but Apuy and Linggarjati have differentmicrohabitats that caused some species are only found at Apuy or Linggarjati areas.Key words: Ciremai, butterfly, distribution
VARIASI NUKLEOTIDA GEN COI PADA BURUNG SEMPIDAN (GENUS LOPHURA) Astuti, Dwi; Irham, Mohammad; Ashari, Hidayat
JURNAL BIOLOGI INDONESIA Vol 14, No 1 (2018): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v14i1.3668

Abstract

ABSTRACTGallopheasant birds (Genus Lophura) belonging to Phasianidae family. L. inornata and L.ignita were 2 of 5 species in Indonesia. This study was aimed to determine the genetic variation and diversity of those two bird species based on DNA sequences of COI gene. Total genomic DNA was extracted from blood samples and wet meat from 5 individuals (4 individuals L.inornata hoogerwerfi and 1 individual L. Ignita). Amplification of COI gene by PCR produced a single fragment of about 860 bp. The 785 bp of DNA sequence data from 5 birds were analyzed to determine its genetic variation and diversity, both of at intra and inter-species levels using MEGA 5 software. Genetic distance between individual bird (intraspecific) of L.i. hoogerwerfii ranged from 0.00 to 0.0013 ± 0.0012, whereas between 2 species (L. hoogerwerfii vs L. ignita) ranged from 0.0467 ± 0.0078 to 0.0481 ± 0.0080. Three individuals of L. i. hoogerwerfii have the same DNA sequence haplotype (HLh1) and one individual has one haplotype that was very different from the other 3 individuals (HLh2), so from 4 indi-vidual birds there were only 2 haplotypes with 0.400 ± 0.237 haplotype diversity (Hd) value. Nucleotide substi-tution / differences occured in 4 nucleotide sites (site 320, 711, 738, and 779) and nucleotide diversity (Pi) was 0.00204 ± 0.00121. Between two species (L.i.hoogerwerfii and L. ignita) occured 39 - 404 nucleotide subsitu-tion sites. The average number of codon encoding amino acid was 261 with a value of codon bias was 0.314. The existence of a nucleotide substitution indicated that there were genetic variations in both intraspecies and interspesies levels. Genetic variation and diversity of L.i. hoogerwerfii were low. Information from this re-search is useful for conservation of this bird.Keywords: DNA sequence, COI, genetic variation, Lophura inornata hoogerwerfii, L. ignita.
MATING BEHAVIOR OF SLOW LORIS (NYCTICEBUS COUCANG) AT CAPTIVITY Farida, Wartika Rosa; Sari, Andri Permata
JURNAL BIOLOGI INDONESIA Vol 11, No 2 (2015): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v11i2.2205

Abstract

TULISAN PENDEK 
MODEL PEMANFAATAN LAHAN PULAU MOTI, KOTA TERNATE, MALUKU: SUATU ANALISIS TATA RUANG BERBASIS VEGETASI Roemantyo, Roemantyo
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i3.3148

Abstract

ABSTRACTLand Use Model of Moti Island, Ternate, Moluccas: A Vegetation Based Spatial Design Analysis.The Moti Island was dominated by mountain areas and humitropepts soil type which havehigh organic matter and low subsoil base saturated values. Geologically, it is a volcanic rockwith andesite composition includes lava, breccias and tuffs volcanic. Combined with highrainfall, width of island (24.6 km2) and very steep mountain (950 m asl.) the island has becomefragile when not well managed. Compared to the other district, the productivity of this area waslow because the natural resources have not been well developed yet. The shortage ofbiodiversity data of Moti Island has become major obstacles in developing Moti Island. Thisresearch was conducted to develop land use models as basic knowledge for spatial designanalyses of Moti Island. Detail discussion on developing Digital Elevation Model of land useand slope area based on vegetation data was presented in this paper.Key words: Moti, land use, digital elevation model (DEM), spatial designing analyses
ANALISIS KEBUTUHAN NUTRIEN DAN EFISIENSI PENGGUNAAN PAKAN BUBUR FORMULASI PADA OPOSUM LAYANG (PETAURUS BREVICEPS WATERHOUSE, 1839) Farida, Wartika Rosa; Sari, Andri Permata; Inayah, Nurul; Nugroho, Herjuno Ari
JURNAL BIOLOGI INDONESIA Vol 13, No 2 (2017): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v13i2.3405

Abstract

ABSTRACTThe aims of the research was to analyze nutrient requirements, performance, and feed efficiency of porridge formulation on sugar gliders (Petaurus breviceps) based on daily feed intake and digestibility. The research was conducted at the Small Mammal Captivity of Zoology Division, Research Center for Biology, Indonesian Institute of Sciences (LIPI) Cibinong, Bogor. Descriptive method was used in this experiment, with 14 days of preliminary period and 70 days (10 weeks) of data collection. The research materials were 16 sugar gliders aged about 3-5 months and randomly divided into 2 treatments ie. 8 heads were given porridge formulation I (P0 - control treatment) and 8 heads were given porridge formulation II (PI) plus superworm 2 times a week. Estimation of feed digestibility done in vivo with the method of the feces total collection. Variables of this experiment are daily feed intake, nutrient requirement, total digestible nutrients (TDN), daily weight gain, and feed efficiency. The feedstuff of the porridge formulation consist of siamese banana (Musa sp.), watermelon (Citrullus lanatus), sweet potatoes (Ipomoea batatas), grape (Vitis vinifera), pear (Pyrus pyrifolia), boiled egg yolk, baby porridge, calcium, honey, boiled chicken meat, and superworm (Zophobas atratus). The results showed dry matter intake was 5.82 g/head / day or 29.31 g/head / day BB0.75 (P0) and 7.31 g/head/day or 34.16 g/head/day BB0.75 (PI). The average of body weight gain was 0.55 g / head / week (P0) and 0.73 g/head/week (PI) with feed efficiency ratio was 1.36% (P0) and 1.43% (PI). The PI treatment of porridge formulation II has improved the performance of sugar gliders in captivity.Keywords: Daily feed intake, weight gain, porridge formulation, sugar gliders, performance
PENGEMBANGAN TEKNIK KARIOTIPE MENCIT (DEVELOPMENT KARYOTYPES TECHNIQUE OF MICE) Mubarok, Husni; Pewitasari, Dyah; Maryanto, Ibnu
JURNAL BIOLOGI INDONESIA Vol 10, No 2 (2014): Jurnal Biologi Indonesia
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i2.2110

Abstract

Tidak ada Abstrak
KARAKTERISASI PRODUK BIOSOLUBILISASI LIGNIT OLEH KAPANG INDIGENUS DARI TANAH PERTAMBANGAN BATUBARA DI SUMATERA SELATAN Sugoro, Irawan; Hermanto, Sandra; Sasongko, Dwiwahju; Indriani, Dea; Aditiawati, Pingkan
JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v7i2.3116

Abstract

ABSTRACTCharacterization of Lignite Biosolubilization Products by Indigenous Moulds from Soil ofCoal Mining in South Sumatera. Biosolubilization of coal is a potential technology of convertingsolid coal to liquid fuel and chemicals at ambient condition. Our previous research hassuccessfully isolated four moulds from soil at coal mining - South Sumatera and has potency aslignite biosolubilization agent, i.e. T1, T2, T4, T5. The objective of this research was to characterizeof lignite biosolubilization products by four isolates. The method used was sub-mergedculture. Cultivation medium was MSS+ (minimal salt + sucrose 0,1% + yeast extract 0,01% +lignite 5 %). Incubation was conducted at room temperature for 28 days. The result showed thatall indigenos moulds have different ability in lignite biosolubilization. The highestbiosolubilization occurred after 7 days of incubation belonging to T1 isolate. However, GC-MSanalysis showed the largest percentage of hydrocarbon compound which equivalent to gasolineand diesel was T5 after 7 days of incubation.Key words: Biosolubilization, lignite, moulds, coal.
DELETION ANALYSIS OF A XYLANASE GENE FROM FIBROBACTER SUCCINOGENES S 85 AND ITS EXPRESSION IN ESCHERICHIA COLI HB 101 Suryadi, Y.
JURNAL BIOLOGI INDONESIA Vol 5, No 1 (2008): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i1.3207

Abstract

ABSTRAKAnalisis Delesi Gen Xilanase Asal Fibrobacter succinogenes S 85 dan Ekspresinyapada Escherichia coli HB 101. Plasmid pBX6 dengan sisipan DNA berukuran 3 Kb asalDNA genomik Fibrobacter succinogenes S 85, menyandi aktifitas xilanolitik (mampumendegradasi substrat xilan) bila ditumbuhkan dalam vektor E. coli HB 101. Tujuanpenelitian ini adalah untuk mengidentifikasi lokasi fragmen DNA yang berperan dalammenentukan aktifitas pBX6 menggunakan analisis delesi. Suatu seri analisis delesi terhadappBX6 telah dilakukan dengan menghilangkan beberapa fragmen DNA dengan cara kloninghasil restriksi enzim maupun PCR. Satu fragmen delesi asal produk PCR berukuran 0.7Kb di sub kloning menggunakan cloning kit pCR TOPO dan aktifitas xilanolitiknya ditapislebih lanjut dengan menumbuhkan dalam media agar oat spelt xylan-Remazol brilliantblue (RBB) ditambah antibiotik ampicilin (50 ?g/ml). Transforman positif selanjutnyadiekstraksi dan dikarakterisasi. Hasil penelitian menunjukkan klon yang telah terpotongkehilangan sebagian besar aktifitas xilanolitiknya dibanding klon asal, bila diuji pada kondisiyang sama untuk menghidrolisis substrat xilan. Klon plasmid rekombinan yang telahterpotong menunjukkan aktifitas spesifik sebesar 41,29 + 0,025 U/mg.Key word: Delesi, F. succinogenes S 85; E. coli HB 101, xilanase
VARIASI JUMLAH KROMOSOM TALAS BENTUL (COLOCASIA ESCULENTA (L.) SCHOTT) IN VITRO HASIL PERLAKUAN ORIZALIN Ermayanti, Tri Muji; Rantau, Deritha Ellfy; Wulansari, Aida; Martin, Andri Fadillah; Hafiizh, Erwin Al
JURNAL BIOLOGI INDONESIA Vol 15, No 1 (2019): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v15i1.3765

Abstract

ABSTRACTChromosome number analysis is required after polyploid induction with oryzalin. Flowcytometry analysis is a simple and quick method to determine the ploidy level, however, chromosome number analysis is needed in order to confirm variation in the chromosome numbers which has occurred. The aim of the research was to investigate chromosome number variation of polyploid taro (Colocasia esculenta) after in vitro treatment with oryzalin. Nine treated-oryzalin clones and four taro cultivars, as control treatment, were used in this experiment. Ploidy level confirmation was done by flowcytometry analysis, meanwhile chromosome number calculation was performed by squashing method. Roots were isolated from  in vitro plantlets for squashing, leaves were isolated from the same plantlets were used for flowcytometry analysis. At least three plants consisted of 6-52 cells having good chromosome distributions were calculated for their chromosome numbers. The results showed that ploidy level of taro corresponded to the number of chromosomes. Flowcytometry analysis of diploid, triploid, tetraploid as well as hexaploid clones, all has chromosome numbers similar to those as their ploidy levels. Range of the chromosome numbers varied, with most of cells had around their normal chromosome numbers. From 5 to 15% of cells had aneuploid numbers lower or above their normal chromosome numbers.  Keywords : Colocasia esculenta, flowcytometer, polyploid, chromosome number, oryzalin, in vitro  

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