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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 2,125 Documents
 54   55   56   57   58 
KAJIAN ILMIAH IKAN PELANGI {Marosatherina ladigesi (Ahl 1936)} FAUNA ENDEMIK SULAWESI Hadiaty, Renny Kurnia
BERITA BIOLOGI Vol 8, No 6 (2007)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.276 KB) | DOI: 10.14203/beritabiologi.v8i6.827

Abstract

Marosatherina ladigesi is one of the famous rainbow fish species from Sulawesi.This endemic fish species from Sulawesi is one of the Indonesian export commodity since more than 30 years ago.All of the export specimens come from the wild habitat.The anxiousness of the extinction of this species stated in the redlist of IUCN since 1994. Two field work of Maros Karst Project conducted in 2006, 2007 and an international expedition in 2007 showed the decreasing population of this species.The results of the three field trips showed the difficulties to get M. ladigesi in the streams.Taxonomical status and classification, coloration, sex dimorphism and distribution discussed.
MODIFICATION OF DNA ISOLATION PROTOCOL FROM SILICA GEL DRIED-LEAF TISSUES OF Pinanga (PALMAE) Witono, Joko Ridho; Kondo, Katsuhiko
BERITA BIOLOGI Vol 8, No 2 (2006)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (823.832 KB) | DOI: 10.14203/beritabiologi.v8i2.2034

Abstract

DNA isolation is an important issue in molecular fields especially for specific plant group such as Pinanga (Palmae). Typically,leaflets structure of Pinanga consists of shiny leaflets as common species of palms and mottled leaflets. Pinanga javana and P.coronata form commonly the two types of leaflets. The high quality of DNA of Pinanga with the shiny leaflet is readily purified and that with the mottled leaflet needed DNA purification due to the presence of high polyphenolic compound. Application of the silica binding method was recommended to purify the template DNA. Modified DNA-isolation protocol is relatively quick, simple,least expensive, minimum equipments and chemicals required, and suitable for PCR and endonucleases digestion reaction.
INTRODUCTORY SPEECH Linner, Lennard
BERITA BIOLOGI Vol 8, No 4(a) (2007)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (90.146 KB) | DOI: 10.14203/beritabiologi.v8i4(a).1532

Abstract

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LAJU PERTUMBUHAN IKAN KERAPU (SERRANIDAE) DAN KONDISI PERAIRAN TELUK KODEK, DESA MALAKA LOMBOK BARAT Langkosono, Langkosono
BERITA BIOLOGI Vol 8, No 1 (2006)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.873 KB) | DOI: 10.14203/beritabiologi.v8i1.817

Abstract

The observation of growth rate of flowery cod, Epinephelus fuscoguttatus, estuary grouper, E. tauvina and water conditions was carried out from December 2004 to June 2005, at the coastal waters of Kodek Bay, Malaka Village, West Lombok, West Nusa Tenggara Province (NTB). Early total weight of grouper fishes were 26.24 kg; at the end of study, it reaches 83.58 kg. The results shows that no significant difference on the growth rate groupers due to time of observation; while there is a significant difference on the gaining of body weight. The water conditions of surface layer and the 12 m depth, as well as temperature varied between 28.0-30.0 ° C, salinity between 30-35 %o, dissolved oxygen between 6.1-7.0 ml/I, transparancy between 3-12 m, current velocity between 0.014-0.071 m/sec; the pH between 8.2-8.7 and air temperature 26.5-27°C.The nutrient phosphate varied between 0.089-0.180 /ig.at/1, nitrite between 3.112-6.032 /ig.at/1. The of aspects of growth rate of flowery cod, estuary grouper and water conditions at the culture site are discussed.
STIMULASI BENIH KETIMUN (Cucumis sativus L.) GUNAMENINGKATKAN PRODUKSIBUAH Soedomo, Rd Prasodjo
BERITA BIOLOGI Vol 8, No 3 (2006)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (409.385 KB) | DOI: 10.14203/beritabiologi.v8i3.797

Abstract

The cucumber (Cucumis sativus L.) sex epression commonly monoceous and diaceous, however are dominated by male flowers.The percentage of female flower are only under 5% of total flowers per plant. Due to the environmental effects, the female flowers are usually fall down, thus fruitset decreased. The objective of this research is to increase the potential of female flowers to set fruits, thus impacted on fruit yield increase of cucumber by application of methyl blue and soaking seeds. The study was conducted at Kalijati Sub-District (+ 96 m asl), Subang District, West Java Province between May to June 2006 (dry season), in latosol reddish soil. The experiment was designed under a randomized block in factorial model, with twelve combination treatmeants and three replications.The the treatmeants were: A. concentration methyl blue: (Al) control (0 %), (A2) 0,03 %, (A3) 0,06 % and (A4) 0,09 %. B. the length of soaking: (Bl) 12 hours, (B2) 24 hours and (B3) 36 hours. The results shows that the stimulation of cucumber seeds in 0,03%, 0,06% and 0,09% compared to control, increasing the female flowers ability to set fruits up to 62,65%,45,61% and 13,79% respectively; and had impacted to increase yield per plant up to 40,69%, 34,48% and 14,09%. The stimulation of cucumber seeds by 0.03, 0.06 and 0.09% of methyl blue were able to increase the potential of female flowers to set fruits 62,65,45,61 and 13,79 % respectively. Meanwhile it has impacted in increasing fruits yield per plant up to 40,69%, 34,48% and 14,09%. The effect of 0,06% and 0,09% of methyl blue concentration, showed on the decrease of survival plants (28,42% and 37,73 %),seed germination (3 and 5 days) and the initiation of flowering time (1 and 2 days). The longer the seeds are soaked in methyl blue solution, there were tendencies in decreasing the potential of female flowers to set fruits thus fruits yields; also the percentage of plants to develop, longer germination period and decreasing the possibility of female flowers to set fruit.
THE REPTILES SPECIES IN GUNUNG HALIMUN NATIONAL PARK, WEST JAVA, INDONESIA*[Reptilia di Taman Nasional Gunung Halimun, Jawa Barat, Indonesia] Kurniati, Hellen
BERITA BIOLOGI Vol 7, No 1&2 (2004)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.22 KB) | DOI: 10.14203/beritabiologi.v7i1&2.1238

Abstract

Tiga puluh satu jenis reptilia dijumpai di Taman Nasional Gunung Halimun selama penelitian herpetofauna yang berlangsung dari bulan Oktober 2001 sampai bulan Agustus 2002. Ketiga puluh satu jenis yang dijumpai tersebut terdiri dari 3 jenis dari suku Gekkonidae, 7 jenis dari suku Agamidae, 1 jenis dari suku Lacertidae, 4 jenis dari suku Scincidae, 1 jenis dari suku Boidae, 13 jenis dari suku Colubridae, 1 jenis dari suku Elapidae dan 1 jenis dari suku Viperidae.Kadal jenis Sphenomorphus puncticentralis adalah satu-satunya jenis yang endemic di Jawa yang dijumpai di TNGH.Kadal jenis Mabuya multifasciata paling sering dijumpai dan jumlahnya berlimpah; jenis ini dapat dijumpai tersebar luas di setiap tipe habitat yang terdapat di TNGH.Yang juga sering dijumpai adalah dua jenis ular Ahaetulla prasina dan Dendrelaphis pictus; kedua jenis ular ini kerap dijumpai di dalam hutan primer dan hutan sekunder pada ketinggian 700 sampai 1500 meter dari permukaan laut.
STUDI KERAGAMAN GENETIK PULAI [Alstonia scholaris (L.) R.Br.] BERDASARKAN MARKA RANDOM AMPLIFIED POLYMORPHIC DNA Poerba, Yuyu Suryasari
BERITA BIOLOGI Vol 8, No 5 (2007)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.928 KB) | DOI: 10.14203/beritabiologi.v8i5.1900

Abstract

Alstonia scholaris (L.) R.Br. is a popular timber and medicinal tree species in Indonesia.The species is valued for its quality light wood timber and for its medicinal properties.Information on its existing genetic potential is currently lacking. The present study was carried out to optimize PCR and to screen primers among accessions collected from different part of region in Indonesia using random amplified polymorphic DNA (RAPD) markers in order to suggest appropriate primer and PCR conditions used in A.scholaris. Results showed that 26 primers generated 575 scorable bands of which 524 (92 %) were polymorphic. Fourteen highly polymorphic primers (100% polymorphic) are recorded from 48 primer used, i.e.OPA-2, OPA-03, OPA-05, OPA-06, OPA-10,OPA-12, OPA-15, OPA-18, OPA-19, OPC-03, OPC-10, OPC-12, OPC-17, and OPN-14. Based on the RAPD markers, a dendrogram was constructed using the UPGMA method.The range of genetic distance was from 0.18-0.45.The molecular dara grouped the genotypes into three main clusters.
EFEKTOKSISITAS BIJI KEMALAKIAN (Croton tiglium) TERHADAP MENCIT DAN ANJING Yuningsih, Yuningsih; R, Damayanti
BERITA BIOLOGI Vol 8, No 6 (2007)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.302 KB) | DOI: 10.14203/beritabiologi.v8i6.835

Abstract

Study in attempt to substitute commercial imported strychnine for elimination wild dogs in rabies disease program with Kimalakian (Croton tiglium) seeds has been conducted. This research was aimed to examine the destructive effect of croton seed petroleum extract (oil) in mice. There were 50 mice divided into 5 treatment groups. Each group was given (orally) 0.05, 0.10, 0.20, 0.40 and 0.80 ml oil/mice respectively and 1 group (10 mice) was blank. After the animal died necropsy was performed and gross pathological and hystopathological features were observed. The results showed that LD!0: 1.66 ml of oil/kg b.w. on mice. Furthermore, it was applied to dogs (b.w. 3kg) with dose: 2.5 ml, 5.0 ml and 10 ml oil/dog respectively. All dogs became hyperactive within few minutes, then dead after dosing 5.0 and 10.0 ml oil. Gross lesion in mices and dogs showed general congestion and hemorrhage in the lung, heart and liver. Histopathologically, the gastric mucosa was atropic resulted from gastric malfunction as leading to death.
DIVERSITAS JALUR BIOSINTESIS SENYAWA TERPENA PAD A MAKHLUK HIDUP SEB AGAI TARGET OBAT ANTTINFEKTIF Agusta, Andria
BERITA BIOLOGI Vol 8, No 2 (2006)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1061.295 KB) | DOI: 10.14203/beritabiologi.v8i2.2039

Abstract

Terpenoid is a fundamental cells constituent in living organisms. In living organisms, terpenoid biosynthesize via classical pathway of mevalonate and via deoxyxylulose diphosphate (DXP). The distribution patterns of both pathways are unique and specific in living organisms. In human and animal, terpenoid biosynthesize via mevalonate and IPP isomerase type I enzyme system. In plant, terpenoid biosinthesize via combination of the mevalonate and DXP pathways with IPP isomerase type I enzyme system. In parasitic protozoa like Plasmodium falciparum and in major human bacterial pathogen such as Mycobaclerium tuberculosis, Salmonella typhii and Helycobacter pylori, terpenoid biosynthesize via DXP and repeatitive IPP isomerase type II enzymesystem. The specific diversity of the terpenoid biosynthetic pathways in living organisms can use as targets for development ofnovel antiinfective drugs.
A CHALLENGE FOR A MODEL NATIONAL PARK MANAGEMENT GUNUNG HALIMUN-SALAK MANAGEMENT PROJECT*[Suatu Tantangan untuk Sebuah Model Manajemen Taman Nasional Proyek Manajemen Gunung Halimun-Salak] Miura, Kanenori
BERITA BIOLOGI Vol 7, No 1&2 (2004)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.762 KB) | DOI: 10.14203/beritabiologi.v7i1&2.1229

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