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Brigitta Laksmi Paramita
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Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia
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Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati
Published by Universitas Atma Jaya Yogyakarta
ISSN : 25273221     EISSN : 2527323X     DOI : doi.org/10.24002/biota
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati merupakan jurnal ilmiah yang memuat hasil-hasil penelitian, kajian-kajian pustaka dan berita-berita terbaru tentang ilmu dan teknologi kehayatian (biologi, bioteknologi dan bidang ilmu yang terkait). Biota terbit pertama kali bulan Juli 1995 dengan ISSN 0853-8670. Biota terbit tiga nomor dalam satu tahun (Februari, Juni, dan Oktober).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 1,183 Documents
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Keragaman Jenis Mamalia Kecil di Toraut, Taman Nasional Bogani Nani Wartabone Sulawesi Maharadatunkamsi, Maharadatunkamsi
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 11, No 1 (2006): February 2006
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.641 KB) | DOI: 10.24002/biota.v11i1.2815

Abstract

Penelitian ini merupakan kegiatan inventarisasi mamalia kecil di Toraut, Taman Nasional Bogani Nani Wartabone,SulawesiUtara. Pada penelitian ini dilakukan pengamatan diversitas mamalia kecil pada dua habitat utama yaitu hutan dan perkebunan, yang masing-masing diamati selama enam hari. Empat puluh perangkap kawat digunakan untuk mendokumentasi jenis-jenis tikus dan empat buah jaring kabut untuk kelelawar, serta pengamatan langsung di lapangan. Dalam penelitian ini dapat didokumentasikan sebanyak 129 ekor mamalia kecil yang terdiri dari 12 jenis.Limajenis di antaranya endemikSulawesidan tiga jenis mempunyai status konservasi dari IUCN.
Pemanfaatan α-Tokoferol untuk Meningkatkan Profil Superoksida Dismutase (SOD) Ginjal Tikus di Bawah Kondisi Stres Wresdiyati, Tutik; Astawan, Made; Fithriani, Diini; Adnyane, I Ketut Mudite; Hidayati, Mustika
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 3 (2008): October 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (368.948 KB) | DOI: 10.24002/biota.v13i3.2568

Abstract

Stress condition has been reported decreased the level of intracellular antioxidant, especially superoxide dismutase (SOD). The condition can lead to certain cell impairment and finally can reach to the degenerative processes, such as aging and carcinogenesis. We need several alternative treatments to solve the severe problem under antioxidant defiency status caused by stress condition. The aim of the study was to observe the effect of α-tocopherol on increasing the profile of superoxide dismutase (SOD) in the kidney of rats under stress condition. The stress condition was achieved by five days fasting together with smimming for 5 min/day and only drinking distiled water ad libitum. α-tocopherol was orally administrated at a dose of 60 mg/Kg/BW/day for seven days. By measuring SOD activity and Cu,Zn-SOD imunohistochemically, showed that α-tocopherol has effect on increasing the profile of intracellular antioxidant in the rats kidney tissue under stress condition.
Pengaruh Lengas Nisbi dan Suhu terhadap Kerusakan Gaplek Akibat Aspergillus flavus Selama Penyimpanan Oramahi, H. A.; Sumardiyono, Christanti; Pusposendjojo, Nursamsi; Haryadi, Haryadi
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.519 KB) | DOI: 10.24002/biota.v15i2.2723

Abstract

A study on the spoilage of dried cassava by Aspergillus flavus was still limited so that such study is very important to do. This experiment was done to examine the effect of relative humidity (RH) and storage room temperature on the development of A. flavus and dried cassava spoilage during storage time. Based on the population of A. flavus, starch content, reduction sugar content, and water content of dried cassava, it was concluded that RH 65%, the temperature of 30 and 35oC had better storage condition for dried cassava because it resulted in the lowest population of A. flavus and the lowest deterioration of dried cassava.
Indeks Glisemik Kacang Buncis (Phaseolus vulgaris) dan Kacang Panjang (Vigna sesquipedalis) serta Uji Efek Hipoglisemiknya pada Tikus Sprague Dawley Marsono, Y.; Triwitono, Priyanto; Kanoni, Sri
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 3 (2005): October 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.813 KB) | DOI: 10.24002/biota.v10i3.2879

Abstract

Glycemic index (GI) of foods has been suggested as an additional parameter in selecting foods for the diabetic patients in nutritional management. GI was measured as the area under the postprandial blood glucose curve for a food expressed as a percentage of the area after the consumption of reference food (bread). In this research two legumes were investigated including snap bean (Phaseolus vulgaris L.) and yardlong bean (Vigna sesquipedalis). The objectives of this research were (i) to determine the IG of the beans and (ii) to investigate the effects of these legumes on serum glucose concentration of alloxan-induced diabetic rats. Ten health and normal volunteers (not diabetic) were provided. The volunteers took an overnight fasting, blood were drawn in the morning and analyzed for serum glucose. Then they were given the test beans containing total carbohydrates equivalent to 25-g glucose to be consumed. Blood samples were drawn for glucose measurement every 30 minutes until 120 min after meal. Serum glucose was determined enzymatically and the glucose responses were drawn graphically to calculate the GI of the beans. These beans were evaluated for their hypoglycemic properties in alloxan-induced diabetic rats. They were fed modified AIN 93 diets contain 20% of energy derived from snap bean or yardlong bean for 28 days. Serum glucose concentrations were measured weekly. It was found that with white bread as the food standard the GI of the snap bean and yard long bean were 43 and 86, respectively. In 28 days of diet intervention, snap bean decreased the serum glucose level by 73% (from 212mg/dL to 56mg/dL). Similar effect were found for the yardlong bean. This bean can reduced serum glucose level about 73% (from 224mg/dL top 61mg/dL), but both were similar to control diet that decreased the serum glucose level about 72% .
Alteration of Ecdysteroid Titre by Thyroxine and Juvenile Hormone Analogue (Methoprene) in Bombyx mori (Lepidoptera: Bombycidae) Ahmad, Intan; Rahayu, Resti; Permana, Agus D.; Astari, Sita
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 12, No 2 (2007): June 2007
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (277.499 KB) | DOI: 10.24002/biota.v12i2.2666

Abstract

Penelitian ini dilakukan untuk mengetahui pengaruh hormon tiroksin dan analog hormon juvenil (metopren) terhadap pola titer hormon ekdisteroid hemolimf selama instar lima Bombyx mori. Instar dua B. mori diberi pakan daun murbei yang telah diberi tiroksin dengan konsentrasi 1500 ppm. Larva kemudian dibiarkan ganti kulit sampai instar tiga dan empat tanpa perlakuan. Tujuh puluh dua jam setelah ganti kulit pada instar lima, larva disuntik sebanyak 10 μl metopren dengan konsentrasi 15 atau 25 ppm. Titer ekdisteroid hemolimf dideteksi dengan Kromatografi Cair Kinerja Tinggi. Hasil yang diperoleh menunjukkan bahwa perlakuan dengan tiroksin ataupun kombinasi tiroksin-metopren menyebabkan terjadinya perubahan pola titer ekdisteroid dibandingkan dengan kontrol. Ekdisteroid terdeteksi dua hari lebih awal pada perlakuan tiroksin dan titer ekdisteroid pada puncak tertinggi lebih tinggi jika dibandingkan dengan kontrol. Kombinasi tiroksin-metopren tampaknya menyebabkan penekanan terhadap titer ekdisteroid. Hal ini terlihat dengan terjadinya penurunan titer ekdisteroid segera setelah penyuntikan dengan metopren sebelum mencapai titer puncak tertinggi.
Komunitas Ikan di Perairan Danau Wilayah Sulawesi Utara dan Gorontalo Haryono, Haryono
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 1 (2004): February 2004
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.586 KB) | DOI: 10.24002/biota.v9i1.2831

Abstract

The study of lake fishes community in North Sulawesi and Gorontalo provinces was done during July and August 2001. The lakes of study were Tondano (St.1), Moat (St.2), Tondok (St.3) and Limboto (St.4) under observation methods to determine the  fishes diversity, abundance, local distribution, status and economy values. There were  17 different species from 12 families screened during this study, the Cyprinidae was the dominant one  and consist of three  species. Overall  the variation of  fishes consist of eight  introducable species and nine native species. The most abundance species was Ophieleotris aporos  and the most wide distributed was Cyprinus carpio, mostly species have  economic values. Comparing to three other lakes, the Limboto has the  most various species of  fishes.
Analisis Ekspresi Gen Selenometil Transferase pada Isolat Bakteri Termofilik Geobacillus 20K dan Thermomicrobium 14Ka sebagai Sumber Selenoprotein Triana, Evi; Nurhidayat, Novik; Rahayu, Sri Hartin
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 14, No 3 (2009): October 2009
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.614 KB) | DOI: 10.24002/biota.v14i3.2580

Abstract

Selenium is a trace element that has essential nutrition value for human. Besides its nutritional value, it has important health benefits, including being a cancer chemoprotective agent. Methylated form of selenium is the most effective compound against cancer cells. Selenomethyl transferase (SMT) is responsible for methylating of selenium. This enzyme is coded by selenomethyl transferase (smt) gene which was found only from selenium accumulator plant, Astragalus bisulcatus. Thermophilic bacteria Thermomicrobium 14Ka and Geobacillus 20K have ability to accumulate selenium as well and potential in fighting cancer cells. Therefore a study to determine smt gene and its expression in both bacteria had been conducted in order to develop natural product of seleno-metilselenosistein for cancer treatment. The result showed that Thermomicrobium 14Ka and Geobacillus 20K have putative smt (selenomethyl transferase) gene, and such gene was expressed at different intensity. Geobacillus 20k expressed smt gene at higher intensity than Thermomicrobium 14k. Therefore, it is presumable that Geobacillus has a significant role in cancer remedy, meanwhile Thermomicrobium plays an essential role as cancer protective agent.
Pelaksanaan CITES di Indonesia Darjono, Darjono; Prijono, S. N.; Sudaryanti, Sudaryanti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 1 (2003): February 2003
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.188 KB) | DOI: 10.24002/biota.v8i1.2790

Abstract

CITES (Konvensi PerdaganganInternasional Flora dan Fauna yang TerancamPunah) telah ditetapkan tahun 1973 diWashington. Indonesia telah meratifikasinyapada tahun 1978. Namun ternyata publikasimengenai pelaksanaan CITES di Indonesiayang lengkap belum ada. Sehingga terbitnyabuku ini: “CITES Implementation in Indonesia“ perlu kita syukuri. Buku ini cukup lengkapmembahas mengenai pelaksanaan konvensiperdagangan internasional jenis jenis Flora danFauna yang terancam punah di Indonesia.Sayangnya buku ini baru ditulis dalam bahasaInggeris.
The Reproductive Patterns of Two South Australian Mytilid Species: Brachidontes erosus (Lamarck, 1819) and Brachidontes rostratus (Dunker, 1857). Ompi, Medy
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 11, No 2 (2006): June 2006
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (338.816 KB) | DOI: 10.24002/biota.v11i2.2633

Abstract

Pola reproduksi dari dua jenis Kerang, Brachidontes erosus dan Brachidontes rostratus di perairan laut Port Lincoln, Australia Selatan, Australia ditentukan berdasarkan ukuran telur, pola settlement selama 18 bulan, dan juga aktivitas pemijahan di laboratorium. Gamet dari B. erosus nampak mulai berkembang pada bulan Februari dan mencapai puncak pada bulan September, sekaligus sebagai awal pemijahan, yang mencapai klimaks pada bulan November sampai bulan Januari. Jenis B. rostratus nampak memiliki dua puncak matang gonad, yang satu terjadi di bulan Juli dan puncak matang gonad kedua terjadi pada bulan November sampai Februari. Puncak pemijahan dari jenis ini berada di bulan Februari sampai dengan April. Kerang B. erosus memiliki ukuran diameter telur lebih besar dibandingkan dengan jenis kerang B. rostratus. Faktor-faktor seperti makanan, suhu perairan, karakter kerang dan kondisi perairan lainnya kemungkinan mempengaruhi pola reproduksi kedua jenis kerang ini.
Pemanfaatan Tumbuhan Pangan oleh Masyarakat Talang Mamak di Taman Nasional Bukit Tigapuluh, Jambi Setyowati, Francisca Murti; Siagian, Mangasa Hiras
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 1 (2004): February 2004
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (318.456 KB) | DOI: 10.24002/biota.v9i1.2792

Abstract

An Ethnobotanical study was carried out on a group of Talang Mamak tribe of the Bukit Tigapuluh National Park, Jambi. The inter-relationship and the dependency of the tribe with the forest plant resources were reflected by their daily lives by gathering medicine and hunting. The tribe lives surroundings HPH of the Dalek Esa Raya Co. Ltd. A number of 92 plant species were used as their food. About 70% of the species recorded were gathered from the forests, and the rest (30%) were as cultivated plant. Various botanical aspects of each species with its usage and utilization methods were discussed.

Page 23 of 119 | Total Record : 1183

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