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BERITA BIOLOGI

berita_biologi
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Published by Lembaga Ilmu Pengetahuan Indonesia

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Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Articles 2,125 Documents

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POLA PENYEBARAN, KELIMPAHAN DAN ASOSIASI BAMBU PADA KOMUNITAS TUMBUHAN DI TAMAN WISATA ALAM GUNUNG BAUNG JAWA TIMUR [Distribution Pattern, Association and Abundance of Bamboo in Plants Community in Mount Baung Natural Tourism Park East Java] Sofiah, Siti; Setiadi, Dede; Widyatmoko, Didik
BERITA BIOLOGI Vol 12, No 2 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

One of bamboo forests which are located in a conservation area in Indonesia is Mount Baung Natural Tourism Park, East Java. Bambooforest is a uniqueness/distinctiveness in this area. Study of bamboo ecology in Mount Baung Natural Tourism Park was very important inconservation purposes. The objectives of the research were to assess the distribution pattern, association and abundance of bamboo species at Mount Baung Natural Tourism Park. A systematic quadrat method was used in this study. The distribution pattern of bamboo was calculated using Morisita Index by calculating the Chi-square formula while plant association was calculated using the contingency table. The results indicated that: (1) there were 11 plant species (bearing the Importance Value Index >10%) associated with bamboo, and showing a clumped distribution pattern, (2) bamboo supported the highest importance value, in which Bambusa blumeana was the dominant. The population structure of bamboo in this area showed pre-reproductive phase, indicating the dominance of young stage (D clump < 5m).

STUDI POPULASI IKAN KALOSO (Scleropages jardinii) DI RAWA POMO KECAMATAN CITAK MITAK, KABUPATEN MERAUKE, PAPUA Tjakrawidjaja, Agus H; Haryono, Haryono
BERITA BIOLOGI Vol 5, No 4 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i4.1119

Study on the population of bony tongue/kaloso fish (Scleropages jardinii) of Papua was conducted in April 1998, located in Rawa Pomo, Kecamatan (District) of Citak Mitak, Kabupaten (Regency) Merauke, Papua.The aims were to know density,fecundity, 2 population growth and related aspects.The method used was catch per unit efforts, in 3 stations, within the area of 50.000 m width; sampling was done in each 30 minutes and fecundity was counted by eye (visual).The results showed that abundance index was 1.862 2 2ind./m ,population density 0.0043/m ,population growth 0.017 ind/m each year and fecundity range was 87-161 eggs. The most th abundance in 8 size ranged from 45.81 to 48.54 mm SL;first maturation attained at + 30 cm. We noted the fishes biodiversity in the location i.e. 21 species belongs to 18 genera and 17 families.

VAKSINASI DINI Bordetella bronchiseptica PADA ANAK BABI MENCEGAH KERUSAKAN SEL-SEL EPITEL BERBULU GETAR PADA MUKOSA SALURAN NAFAS BAGIAN ATAS Chotiah, Siti
BERITA BIOLOGI Vol 9, No 2 (2008)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i2.2029

The upper respiratory tract is lined with ciliated epithelium or brush border that functions as the primary filter to the respiratory tissue. Epithelial trauma caused by neonatal bordetellosis serves as the predisposing factor for other respiratory diseases in growing pig. The aim of this research was to evaluate the effectiveness life nonpathogenic Bordetella Bronchiseptica vaccine that used in sucking piglets in Indonesia, to prevent the damage of ciliated epithelium. Twenty four sucking piglets 2 to 3 day-old were divided into treatment group containing fourteen and nontreatment group containing ten. Each sucking piglet of treatment group was vaccinated with life nonpathogenic Bordetella Bronchiseptica vaccine by intra nasal with 0.5 ml/nostril dose containing more than72.0xl0 CFU/ml bacteria. Three weeks post vaccination 10 of those treatment group and 6 from nontreatment group were challenged against local isolate B. bronchiseptica BS9 (BCC2455) toxigenic with 4.2xlOCFU/ml dose. The clinical signs, reisolation of bacteria, and histopathological changes were observed. The result showed that 3 of 10, 5 of 6, 0 of 4, and 3 of 4 treatment and challenge sucking piglet group, nontreatment and challenge sucking piglet group, treatment and not challenge sucking piglet group,and nontreatment and not challenge sucking piglet group were found lost of cilia from most of the ciliated epithelial cells of nasal mucosa respectively. Three of 10, 4 of 6, 1 of 4, and 4 of 4 treatment and challenge sucking piglet group, nontreatment and challenge sucking piglet group, treatment and not challenge sucking piglet group, and nontreatment and not challenge sucking piglet group were found epithelial cells desquamation of nasal mucosa respectively. The results indicated that life nonpathogenic Bordetella Bronchiseptica vaccine could give 70 % protection against infection of B. bronchiseptica local isolate BS9 (BCC245) toxigenic infection and 75% wild type isolate present at the farm used for this research.

PENGARUH BAP DAN NAA TERHADAP INDUKSI KALUS DAN KANDUNGAN ARTEMISININ DARI Artemisia annua L. Purnamaningsih, Ragapadmi; Ashrina, Misky
BERITA BIOLOGI Vol 10, No 4 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Malaria is a global health problem that threatens 300-500 million people and kills more than one million people annually.Artemisinin, a sesquiterpen secondary plant metabolite extracted from Artemisia annua L., is a promising and potent antimalarial drug which has a remarkable activity against chloroquine resistant to Plasmodium falciparum. To counter the present low content(0.01-0.5%) of artemisinin in A. annua L.is a limitation to commercial production of the drug and uneconomical chemical synthesis. A research was conducted to induce callus production by using Murashige-Skoog (MS) medium added with NAA (0, 0.5 and 1 mg/1) and BAP (0, 0.5 dan 1 mg/1) and also to produce artemisinin from the calli. Complete Randomized Design was used in the research. Callus cultures were induced from leaf explants of A. annua. The research reports succesful approach for production of artemisinin by callus cultures of A. Annua. Medium formulation of MS basal media added with plant growth regulators BAP 0.5 mg/1 and NAA 0.5 mg/1 give the best result for callus induction than others, with callus fresh weight 844,4 mg, artemisinin content 0.73%, dry weight 216.6 mg and total weight of artemisinin 1.58 mg.

AKTIVITAS CMC-ase KHAMIR Candida sp. YANG DIISOLASI DARI TANAH KEBUN BIOLOGI WAMENA, PAPUA Kanti, Atit; Sudiana, I Made
BERITA BIOLOGI Vol 6, No 5 (2003)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i5.1190

Cellulolytic Candida sp.was isolated from Wamena, Papua.The strain was able to grow in media with carboxymethyl cellulose as a sole carbon source implying that the isolate produced 1-3 oc endo-gluconase.To study the effect of glucose and osmotic pressure on 0.1% glucose and 0.1% NaCl were augmented to CMC-contained media.Glucose augmentation affects cellulolytic activity of culture,probably due to higher biomass production in media. NaCl addition appear not to affect cellulolytic ability. Profile of pH also varied depend on the cultivation media. Maximum growth rate was achieved when glucose was added which was implying that glucose stimulate cell growth.

NILAI HETEROSIS DAN PERANAN INDUK PADA KARAKTER PERTUMBUHAN HASIL PERSILANGAN INTERSPESIFIK Tor soro DAN Tor douronensis [Growth Heterosis Values and The Role of Parent Tor soro and Tor douronensis in Interspesific Crossed] Radona, Deni; Subagja, Jojo; Kusmini, Irin Iriana; Gustiano, Rudhy
BERITA BIOLOGI Vol 15, No 2 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Fish Tor is one of potential fish commodities to be developed because of their economic value. This on experiment was designed to evaluate the effect of male and female parent on morphological characters i.e length and weight growth and the value of heterosis from crosses of Tor soro and Tor douronensis. Crosses were performed in both directions (reciprocal) to form four populations. Observations lenght, weight gain, specific growth in length, specific growth in weight and value of heterosis were carried out for two months (January-March, 2014). The results showed an increase of Â length, weight, specific growth in weight, specific growth in length occurred in seed produced from parent male of T. soro and female of T. douronensis with values of 0.54 cm, 0.09 g, 0.65 % and 3.79 %, rescpectively. Crossed of ? T. douronensis x ? T. soro yield heterosis value (partial) of length (40.90%) and weight (116.66%) was higher than crossed of ? T. soro x ? T. douronensis Â that only have heterosis value of 0 and 33.33 %, and heterosis value (reciprocal) on the length of 20.45 % and the weight of 45.22 %.

PENGARUH MINYAK ATSIRI SERAI (Andropogon citratus DC.) TERHADAP BAKTERI YANG DIISOLASIDARISAPI MASTITIS SUBKLINIS Poeloengan, Masniari
BERITA BIOLOGI Vol 9, No 6 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

This study was done to determine the antibacterial properties of water extract and volatile oil of lemon grass (Andropogon citratus DC).Bacteria isolates used in this study were obtained from subclinical mastitis ridden cows and had been identified as Staphylococcus aureus, S. epidermidis, Streptococcus agalactiae and E. coli. The concentrations of water extract and volatile oil used for the test were %, 25%, 12,5% and 6,25%. The antibacterial used was done by paperdisk diffusion method on Mueller Hinton Agar (MHA). The result showed that water extract did not have any antibacterial effect to 4 bacteria isolates., while volatile oil of lemon grass did inhibit the growth of 4 bacteria isolates.Increasing concentration of volatile oil resulted in increasing zone of bacteria growth inhibition.

KARAKTERISTIK MORFOLOGI DAN PERKEMBANGAN BUNGA Aeschynanthus tricolor Hook. (GESNERIACEAE) [Morphological Characteristic and Flower Development of Aeschynanthus tricolor Hook. (GESNERIACEAE)] Rahayu, Sri; Wawangningrum, Hary; Garvita, R. Vitri
BERITA BIOLOGI Vol 14, No 3 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Aeschynanthus tricolor Hook. (Gesneriaceae) is one of the Aeschynanthus, a special lipstick flower characterized by its campanulate red calyx which more showy than its short stripped corolla. This specific character is beneficially potential for cross pollination to make a new variety. To develop a new variety, it is important to have information about the biology of flowers.However, such information is still lacking. This research was therefore aimed to obtain information on flower characteristics and development in order to understand the pollination systems of this species. Observations was made on A. tricolor from Central Kalimantan collected in 2000 that was planted in Bogor Botanic Gardens green house. Results indicated that this species was categorized as protandrous, which mean the flower cannot pollinate by itself without pollination agent. The pollinators of this species were bird and/or bumble bee. The flower developments took 32 days from the beginning of a flower bud to anthesis. It was suggested that cross pollination for interspecific hybridization was between the species within the same clade (Section Aescynanthus).

FAUNA IKAN AIR TAWAR DI PERAIRAN KAWASAN GUNUNG SAWAL, JAWA BARAT, INDONESIA [The Freshwater Fish Fauna of Sawal Mountain Region, West Java, Indonesia] Haryono, Haryono
BERITA BIOLOGI Vol 16, No 2 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

This study aimed to assess fish diversity and its related aspects in the Sawal Mountain Region, the watershed Citanduy in Ciamis, West Java, Indonesia. The study was conducted by grouping into four zones based on forest condition and the order of the river. The fisheswere sampled by using elektrofishing. This study recorded 12 species which Barbodes binotatus is the most abundant and widely local distributed, i.e. 20.09 individu/station and occupied 78.60 % of the area. Based on species status, as much as 75% species have wide geography distribution (common species) and the rest was introduced species. As much as 50% (6 species) have the potency as consumption fish, 25% (3 species) as ornamental fish, 17% (2 species) both as ornamental and consumption, and 8% (1 species) is stil unknown for the benefit.

PEMBESARAN IKAN KERAPU BEBEK - Cromileptes altivelis (VELENCIENNES, 1828) DAN IKAN KERAPU LUMPUR - Epinephelus coioides (HAMILTON, 1822) PADA KERAMBA JARING APUNG (KJA) Langkosono, Langkosono
BERITA BIOLOGI Vol 7, No 5 (2005)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v7i5.875

Study on the fish rearing of the grouper (Serranidae) as well as barramundi cod grouper - C. altivelis (Valenciennes, 1828) and green grouper - E.coioides (Hamilton, 1822) in floating net cages was carried out from June to December 2004 at the coastal waters of Kodek Bay, Malaka Village, Pemenang District West Nusa Tenggara. This paper discussed the results of both grouper fishes grown in Floating Net Cages culture.

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