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Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati

biota
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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 37 Documents

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Search results for , issue "Vol 15, No 2 (2010): June 2010" : 37 Documents clear

Keanekaragaman Tumbuhan Bahan Kebugaran Dalam Naskah Lontar Rukmini Tatwa Masyarakat Bali Suryadarma, I.G.P.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Rukmini Tatwa is a traditional health and beauty Balinese script. That script was written on the leaves of palm tree (Borrassus flabellifer). The basic concepts of healthy and beauty are generally considered the integrated result of physical, mental and emotional. Rukmini Tatwa is traditional beauty that refers the practice of using natural plants substances. The script documented more than one hundred plant use, composition and therapy. The plants are prepared in various ways. Parts of plant used are the leaves, flowers, root, stem, bark, fruit, seed and tuber. Most of the concoction is made simply by grinding and pounding. Its knowledge is equal to the traditional medicine. Rukmini Tatwa illustrated to maintain the family harmony from lack of fitness and beauty as well as to solve sexual problems.

Jenis Flora Asing Invasif di Taman Nasional Gunung Gede Pangrango, Jawa Barat Uji, Tahan; Sunaryo,, Sunaryo; Rachman, Erlin; Tihurua, Eka Fatmawati
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Ecological study of Invasive Alien Species (IAS) at two altitudes in Mount Gede PangrangoNational Park was carried out by using quadrate method. The studied plots located at altitude1400 m and 1500 m a.s.l, in 0.2 ha each. The result shows that 45 species of trees, 77 species ofsaplings and 48 species of seedlings were recorded. Five species (i.e. Bartlettina sordida,Austroeupatorium inulaefolium, Cestrum aurantiacum, Brugmansia suaveolens and Passiflorasuberosa) are catagorized as IAS which threaten the ecosystem and natural species.

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

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.

Waktu Reproduksi Karang Lunak Sinularia flexibilis Quoy & Gaimard (Octocorallia: Alcyonacea) Di Pulau Barrang Lompo, Kepulauan Spermonde, Sulawesi Selatan Haris, Abdul
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Sinularia flexibilis is a soft coral that has an economical value due to its farmacological substance. The aim of this research was to find out the spawning time and behaviour of Sinularia flexibilis by visual observation in its natural habitat and in hatchery. The result of this research revealed that the reproduction period of the Sinularia flexibilis occurred during May to September in each lunar phase. However, it was found that during a new moon phase, the reproduction activity had the highest percentage of colony for every lunar phase. Spawning behavior of the Sinularia flexibilis was that a bunch of eggs and the sperm were separately spawned from the mouth by fast contraction in a short period of time.

Producing the Greatest Good for Greatest Numbers-Implementation of Utilitarianism Principle: The Case Study of Producing Recombinant Protein of JDV Margawati, Endang Tri
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Advanced technology in molecular biology often uses microorganism, consequently, researcher should have a responsibility in producing of laboratory products safely both for human and their environment. This presentation was intended (1) to report recombinant protein research in the Jembrana Disease Virus (JDV); (2) to identify relevancy of the ethics towards the research of recombinant protein and (3) to discuss relationship of utilitarianism principle with the development of the recombinant protein. The Jembrana disease is an infectious virus caused by a virus classified as retrovirus of Retrovidae family. The disease only attacks Bali cattle (Bos javanicus) that caused about 20% mortality rate. Up to present, crude vaccine from lymph organ of acute infected Bali cattle is often used for vaccination. Development of the Jembrana vaccine was attempted to increase the availability of qualified Jembrana vaccine by recombinant DNA approaches subsequently could be used as vaccine substances. This article was presented with much bioethics issues in associated with recombinant protein research and other examples of related research which use micro-organism in their investigation. It is expected that bioethics could be a restrain for researchers who deal with advanced technology in their investigation.

Kelimpahan Cacing Tanah pada Beberapa Jenis Tegakan Pohon di Wanagama I Supriyo, Haryono; Musyafa, Musyafa; Figyantika, Arom; Gamayanti, Saptuti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Earthworms feed exclusively on dead organic matter (OM). The earthworm population is regulated by organic matter availability and soil characteristics. The aim of the research was to investigate the effect of seasonal change to the abundance and biomass of earthworms in Wanagama I. Collection of the soil samples was conducted from a quadrangle 25 x 25x 25 cm with the depth of 0-10, 10-20 and 20-30 cm with 5 replications under stands of Glyricidae, Leucaena, Teak, Acacia, Eucalyptus and Mahogany. Soil samples were taken at rainy season (February), early dry season (July) and dry season (October) 2004. The earthworms were manually extracted from soil samples and the abundance was stated as number and biomass of dry weight. The result showed the abundance and biomass of earthworms were high only in February at the soil depth of 0-10 cm. The highest number of earthworm and biomass was found in Mahogany stand (224,000 individual.ha-1/105.6 kg.ha-1). Multiple linier regression analysis showed that abundance of earthworms was affected by soil moisture content, while the biomass of earthworms was affected by soil pH and bulk density (aeration).

Pengaruh Interaksi Genotipe dengan Lingkungan terhadap Kandungan Fe Biji Padi Suwarto, Suwarto; Nasrullah, Nasrullah; Taryono, Taryono; Sulistyaningsih, Endang
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

To explore the effect of genotype, environment and genotype x environment interaction on Fe content in rice grain, Fe concentrations of 10 genotypes were analyzed across eight paddy field environments using the GGE-biplot method. Experiments were conducted from 2007 to 2008 using a randomized completely block design with three replications at each environment. Results indicated that environment (E), genotype (G) and genotype x environment interaction (GE) significantly gave effect on Fe rice concentration. Environment explained 74.43% of total (G + E + GE) variation, whereas G and GE captured 5.60% and 19.67%, respectively. The first two principal components (PC1 and PC2) were used to create a two-dimensional GGE-biplot and explained 70.40% and 15.36% of GGE sum of squares. Genotype Barumun was desirable in terms of its highest Fe rice concentration ability and stability. In Cilongok, wet season was the best representative of the overall environments and the most powerful to discriminate genotypes.

Analisis Filogenetik Burung Maleo (Macrocephalon maleo) Berdasarkan Sekuen Intron Satu Gen Rhodopsin (RDP1) Nukleus Budiarsa, I Made; Artama, I Wayan Tunas; Sembiring, Langkah; Situmorang, Jesmandt
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

The phylogenetic relationships of the maleo (Macrocephalon maleo) were analyzed based on thefirst intron of rhodopsin nuclear gene sequence data obtained from 15 individuals, along withthose of 22 individuals taken from GenBank. The phylogenetic trees were reconstructed byNeighbor-Joining (NJ) method. Results indicated that 956 bp of RDP1 sequence, 414 (43.4%)sites were variable and 317 (33.2%) sites were phylogenetically-informative. The basecomposition for all species analyzed in this research were as follows: T 25.3%, C 26.3%, A18.5%, and G 29.9%. Analysis of RDP1 sequence produced trees that were remarkably wellresolved and had topologies at the marga level. The phylogenetic analysis showed that maleowas monophyly of Macrocephalon and closely related to Aepypodius, Talegalla, Leipoa andAlectura.

Keanekaragaman Jenis Ekhinodermata Di Perairan Minahasa Utara, Sulawesi Utara Yusron, Eddy; Susetiono, Susetiono
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Observation on echinoderms diversity was carried out at coastal waters of North Minahasa bay, North Sulawesi, from June to August 2008. Sampling was done by using a transect quadrant of 1 m x 1 m. The results showed that in both locations, 28 species of echinoderms represented 7 species of Holothuroidea, 9 species of Echinoidea, 6 species of Asteroidea and 6 species of Ophiuroidea had been found in the North Minahasa Bay, North Sulawesi. The Echinoidea were relatively common in the sea grass zone. On the basis of population density, Echinoidea was the dominant group and had the highest density. This research was aimed to find out the species composition, community structure, zonation, and spatial distribution of echinoderm fauna.

Analisis Matagenom Komunitas Bakteri Tempe dengan Teknik Terminal Restriction Fragment Length Polymorphism (T-RFLP) Barus, Tati; Griselda, Griselda; Suwanto, Antonius; Agustina, Tan Watumesa
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Bacteria have an important role in tempe fermentation in Indonesia, aside of Rhizopus oligosporus as the dominant microbe. In this study the molecular aspect of bacterial diversity in tempe were analyzed using a fingerprinting technique, Terminal-Restriction Fragment Length Polymorphism (T-RFLP). This study was aimed to examine the diversity of bacterial community during tempe making. Bacterial diversity analysis was conducted in the first hour and the thirteenth hour after the soybean soaked while the fresh tempe was analysed at one to two hours after the fermentation ended. T-RFLP can be used to describe the diversity of bacterial community during the fermentation of tempe. T-RFLP profiles revealed the presence of 24, 30 and 33 bacterial phylotypes in the first hour and the thirteenth hour after the soybean soaked as well as in fresh tempe samples. The phylotypes were dominated by unculturable bacteria group. Only several bacterial phylotypes were consistenly identified since the beginning to the end of fermentation, while most of them were only identified at certain phases along with the environmental changes (i.e: pH) that occured during the fermentation process. One of the consistently identified groups belongs to Bacillus genera.

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Contact Name
Brigitta Laksmi Paramita

Contact Email
brigitta.laksmi@uajy.ac.id

Phone
+6282329549978

Journal Mail Official
journal.biota@gmail.com

Editorial Address
Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location
Kota yogyakarta,

Daerah istimewa yogyakarta

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Brigitta Laksmi Paramita

Contact Email brigitta.laksmi@uajy.ac.id

Phone +6282329549978

Journal Mail Official journal.biota@gmail.com

Editorial Address Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location Kota yogyakarta, Daerah istimewa yogyakarta INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Brigitta Laksmi Paramita

Contact Email
brigitta.laksmi@uajy.ac.id

Phone
+6282329549978

Journal Mail Official
journal.biota@gmail.com

Editorial Address
Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location
Kota yogyakarta,

Daerah istimewa yogyakarta

INDONESIA