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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
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300 TAHUN LINNAEUS: PANDANACEAE, LINNAEUS DAN KONEKSI SWEDIA Ary Prihardhyanto Keim
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 | DOI: 10.14203/beritabiologi.v8i4(a).1539

Abstract

Pandanaceae is one of the three large and important families within the Monocotyledoneaie consisting of approximately 900 species found only in the Old World Tropics. Malesia is the region of importance for the fanmyfwhere the prominent diversity and the three principal genera (Freycinetia, Pandanus, and Sararanga) are found.Pandanaceae is also an important family of the Monocotyledoneae in the Malayo-Austronesian and^elanesian cultures.The usage of pannans in the Melanesian culture is more diverse and incorporating more number of species. Although pandan was first described by the two distinguish Dutch naturalists, Rumphius and Rheede tot Drakenstein, the introduction of pandan into the world of Botany was started and in the early stage also involved Swedish botanists, from Linnaeus to Fagerlind. Linnaeus still suggested Pandanus as a possibly member of Bromelliaceae. Linnaeus Jr. placed it as a genus of its own, Pandanus, thus laid the firm foundation for the classification of the genus and the entire family.The information on Pandanaceae encompassing morphology to history is described in this paper, including the significance of the family in relation with the Agenda 21.
POLA PRODUKSI AJMALISIN DARIKULTUR AGREGAT SEL Catharanthus roseus (L) G Don. DALAM BIOREAKTOR Aida Muspiah; Rizkita Rahmi Esyanti; Arbayah H Siregar; Erman Tritama
BERITA BIOLOGI Vol 6, No 3 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i3.1212

Abstract

A research has been conducted to optimize the rate of aeration and initial cell aggregates weight in the production of ajmalicine in Catharanthus roseus cell culture in bioreactor. Catharanthus roseus culture were grown in Zenk medium with the addition of 2.5 x 10"6 M NAA ('naphthalene acetic acid') and 10s M BAP ('benzyl amino purine'). Cell aggregates were subcultured two times before transferring 20 and 30 g/fw of cell aggregates into bioreactor, respectively, and aerated with the rate of 0.2460 L/min and 0,3405 L/min, respectively. The pattern of ajmalicine production in bioreactor were observed every 3 days for 24 days.Qualitative and quantitative analysis were conducted using HPLC connected to Cromatopac CL-7APlus. The results showed that the cell aggregates and medium contain ajmalicine. The highest concentration was obtained in combination of 30 g/fw and 0.3405 L/min aeration compare to 20 g/fw - 0,246 L/min, 20 g/fw- 0,3405 L/min, as well as 30 g/fw - 0,2460 L/min. The highest ajmalicine content in cell aggregates was obtained on the 12"d days (79.23ug/g) whilst in medium was obtained in the 18th days (981.15 ug/L).
GONADAL DEVELOPMENT AND SPAWNING FREQUENCY OF TILAPIA (Oreochromis niloticus) THAT FEEDED BY VITAMIN E SUPPLEMENTATION [Perkembangan Gonad dan Performa Pemijahan Induk Ikan Nila (Oreochromis Niloticus) yang diberi Pakan dengan Penambahan Vitamin E Suplementasi] Wahyu Pamungkas; Evi Tahapari; Jadmiko Darmawan
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.661

Abstract

Vitamin E merupakan salah satu mikronutrien penting yang berpengaruh terhadap performa reproduksi ikan. Penelitian penambahan vitamin E dalam pakan induk ikan nila (Oreochromis niloticus) bertujuan untuk mengetahui pengaruh vitamin E terhadap perkembangan gonad dan performa pemijahan induk ikan nila. Pakan uji yang digunakan adalah pakan formula dengan kadar protein 35% dan lemak 10% ditambahkan vitamin E (tingkat kemurnian 50%) dengan dosis A) 0, B) 75, C) 150, D) 225, E) 300 and F) 375 mg/kg pakan (kontrol). Induk ikan nila umur 6-7 bulan sebanyak 180 ekor dipelihara dalam 6 jaring ukuran 3x3x1,5m yang diletakkan dalam kolam 6000 m2 dengan kedalaman air 80 cm. Masing-masing jaring diisi dengan 20 ekor induk betina dan 10 ekor induk jantan dan dipelihara selama 13 minggu pada bulan September sampai dengan November 2011. Hasil penelitian menunjukkan bahwa penambahan vitamin E pada pakan induk ikan nila memberikan nilai indeks gonad somatik lebih tinggi dibandingkan yang kontrol. Penambahan vitamin E sebanyak 225 mg/kg pakan memberikan nilai persentase induk matang gonad yang tertinggi (80%) dan frekuensi pemijahan yang terbanyak yaitu 22 kali selama masa pemeliharaan 13 minggu. Berdasarkan hasil penelitian yang diperoleh dapat disimpulkan bahwa penambahan vitamin E sebanyak 225 mg/kg pakan dapat meningkatkan perkembangan gonad, jumlah induk betina yang matang gonad, persentase total pemijahan dan frekuensi pemijahan pada induk ikan nila.
KANDUNGAN SELENIUM DALAM HERBA TERSELEKSI DARI DAERAH VULKANIS DAN AKTIVITAS GLUTATION PEROKSIDASE SERTA PENGARUHNYATERHADAPPENYUSUTAN SELMODEL Saccharomyces cerevisiae JB3505 Sri Hartin Rahaju
BERITA BIOLOGI Vol 9, No 4 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i4.2014

Abstract

An exploration of selenium containing herbs was carried out in the Kerinci -Sumatera, Toraja highland-Sulawesi and Rinjani-Lombok. The herbs were sampled according to their morfofisiological characters and local etnopharmalogical information.The analitical parameters were the selenium and selenomethionine content as measured by AAS and GC respectively, gluthathione peroxidase as measured biochemically dan cell model shrinkage observation to reveal the selenium containing extract effect on celluler development. The result indicates the diversity of both content and functional selenium compounds in the selected herbs.The relatively high selenium content herbs such as A Ilium sativuin 1NHR had hingher gluthathione peroxidase and hence its antioxidant activity.However the relatively lower selenium content of Physalis angulata 33NHR was able to induce more cell model shrinkage. The phenomenon of relation among selenium based selenoamino acid, antioxidant and cell shrinkage potential need to be futher studied on these selected herbs.
POLA MAKAN DAN REPRODUKSI IKAN TOR SPP. SEBAGAI DASAR BUDIDAYANYA SULASTRI SULASTRI; I. RACHMATIKA; D.I. HARTOTO
BERITA BIOLOGI Vol 3, No 3 (1985)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i3.1348

Abstract

SULASTRI, I. RACHMATIKA & D.I. HARTOTO. 1985. Feeding and reproductive patterns of Torspp. as a base for its aquaculture. Berita Biologi 3(3): 84 -90. A study on the feeding and reproductive characteristics of Tor spp. as a base for aquaculture was done in laboratory and field conditions. Qualitative observation on the feeding habits of Tor douronensis (C.V.) do not show a restriction of the main diet to autochthonous sources. Algae were the main diet, followed by detritus, insects, diatoms, plant material, mosquitoes larvae and desmids. Laboratory observations show that T. douronensis eat first the food that is most concentrated, followed by the food that floats on the surface and last, foods on the bottom. Spearman Rank Correlation reveals that there was food overlaps between groups of fishes of different maturity stages from species collected in the field. It was found that there was a morphological change of male T. soro and a decrease of condition factors that were correlated with the increase of maturity stage. Vision as a significant factor affecting feeding and reproduction of Tor spp. and its relation to aquaculture application was discussed.
PENAPISAN AKTIVITAS LIPOLITIK SEPULUH BIAKAN Rhizopus KOLEKSIUICC (UNIVERSITY OF INDONESIA CULTURE COLLECTION) Inu Yuyun Lusini; Wibowo Mangunwardoyo 'ET; Indrawati Gandjar
BERITA BIOLOGI Vol 9, No 6 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i6.849

Abstract

Ten Rhizopus were screened for their extracellular lipolytic activity. All strains showed lipolytic activity with diffferent activities.R. microsporus var. rhizopodiformis (Cohn) Scipper & Stalpers UICC 520 (4.52 unit/ml) and R. microsporus var. oligosporus UICC 550 (2.58 unit/ml) showed a high lipolytic activity in screening medium containing 5% pepton and 1% glucose (b/v) without a lipid substrate after 24 hours of incubation at room temperature.
STRUKTUR STOMATA DAUN BEBERAPA TUMBUHAN KANTONG SEMAR (Nepenthes spp.) Lince Meriko
BERITA BIOLOGI Vol 16, No 3 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v16i3.2398

Abstract

The exploitation of pitcher plants (Nepenthes spp.) for economics interest and forest degradation make a higher extinction risk for Nepenthes globally. This research was aimed to examine anatomical structure of stomata of Nepenthes gracilis, N. reinwardtiana, N. ampullaria. The result showed that the type of stomata of N. gracilis and N. reinwardtiana has the actinocitic type while, N. ampullaria has anomocitic stomata type.
GATRA ETNOBOTANI EBONI {Diospyros celebica Bakh.) Eko Baroto Walujo
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i2.1490

Abstract

Eboni,bagi dunia perdagangan kayu telah banyak menyumbangkan devisa.Akan tetapi berapa banyak sumbangan komoditas tersebut terhadap kelestariannya sendiri masih perlu dipertanyakan.Tidak kurang dan puluhan hasil penelitian untuk usaha budidayanya telah dilakukan, namun semuanya belum menentukan titik terang dan jenis eboni ini tetap akan dieksploitasi tanpa memperhatikan gatra kelestariannya.Buktinya, bahwa beberapa tahun terakhir ini eboni (Diospyros celebicn Bakh.)diusulkan dalam Appendix II CITES,sebagai salah satu komoditas perdagangan yang perlu diatur mekanisme kuotanya.Berbagai hal penting yang menyangkut gatra etnobotani, terutama dalam perspektif botani dan pemanfaatannya akan diulas dalam makalah ini.
KEKAYAAN BEGONIA TAMAN NASIONAL GUNUNG HALIMUN Harry Wiriadinata; Deden Girmansyah; Scott Hoover; James Hunter
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i1.1174

Abstract

Begonias arc unique due to asymmetric leaves, and they have large variation on their coloration and hairiness. The flower is unisexual, male and female flowers are in separate branches.The fruit with or without wings of different size and shape.Those unique characters attract them as ornamental plants, Mts. Halimun National Park has many species of wild Begonias which can be found on the forest floor.They grow in group and have essential role in mountainous forest ecosystem. Exploration for wild Begonia within forest around Cikaniki,Cirnarasa. Koridor Cianten, Gn, Botol, Gn. Bintang Gading, Gn. Sanggabuana will be presented in this paper.
KEANEKARAGAMAN GLOMEROMYCOTA DI KEBUN RAYA BATURADEN DAN SEKITARNYA DI GUNUNG SLAMET Kartini Kramadibrata
BERITA BIOLOGI Vol 12, No 2 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i2.535

Abstract

The occurrence of arbuscular fungi (AF), a member of Glomeromycota associated with plant in Baturaden Botanic Garden and its surrounding area in Slamet mountain in Central Java was studied. Part of the Botanic Garden is Agathis plantation which was planted for more than 50 years. Soil samples were collected from rhizosphere of Agathis, wild plants and shrub. In order to obtain spores of arbuscular fungi, dried soil samples were wet sieved and decanted. Part of soil samples were pot cultured with Pueraria phaseoloides. The result showed there were eleven species of AF identified from Baturaden Botanic Garden i.e. three species of Acaulospora, one species of Claroideoglomus, one species of Funneliformis, one species of Glomus, one species of Gigaspora, three species of Scutellospora and one species of Sclerocystis. In this study there are two new records of AF in Java i.e. Scutellospora biornata, and S. erythropus, and also new distribution area for S.projecturata.

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