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Jurnal Biologi Udayana
Published by Universitas Udayana
ISSN : 14105292     EISSN : 25992856     DOI : https://doi.org/10.24843/jbiounud
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal Biologi Udayana (p-ISSN 1410-5292 | e-ISSN 2599-2856 | DOI 10.24843/jbiounud) managed by the Department of Biology, Udayana University, published in two formats namely print and online regularly twice a year (June and December).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 12 No 2 (2008): JURNAL BIOLOGI" : 5 Documents clear
A TYPE OF DWARFISM FOUND IN SOUTH BENGKULU TO BE AN X-LINKAGE CHOIRUL MUSLIM; BHAKTI KARYADI; ACENG RUYANI; ICE PURNAMAWATI; HERNANI -; SUMIYATI -
Jurnal Biologi Udayana Vol 12 No 2 (2008): JURNAL BIOLOGI
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

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Abstract

We have reported here a specific human short stature population in Kedurang District, South Bengkulu. AH those are men, described as a mild dwarf (130-150 cm), detected after 5 to 10 years old, caused by the failure on lumbar backbone growth and development, and only found among the men. In this investigation, we examine the inheritance pattern of the dwarfism by using pedigree analysis, study the morphological comparison between the disorder and normal person, and finally we ascertain the variation among the disorder. We accomplished a survey on pedigree family to at least 3-4 generations related to the disorder. The data are then tested with Chi-square test, and transformed to tree families and pedigree analysis. To investigate morphological performance and their variation, we collected morphometric measurements to both disorder and normal group of sample; they are the height, the vertebral bones length, head measurement, the leg and arm length (upper and fore side), and their indexes. The data were analyzed descriptively. To find out the variation, the quantitative expression and penetrance, we evaluated the data according to normal distribution with Z test. The result showed all the dwarfisms in Kedurang are men, who inherited his gene from his carrier mother. As a result, the gene has tightly linked to X chromosome and supposedly belongs to Spondylo Epiphypeseal Dysplasia Tarda (SEDT). These were concluded from 32 related family of dwarfism. We found 19 dwarf persons, grouped into young, adult, and older persons. The their height were shorter than normal (136,5 cm), and the length of vertebrae was under normal value (51,5 cm). Their frontal extremity were shorter than the normal one, but they are in proportion with any part comprised them. Their feet were shorter, but the proportion of leg is longer than calf. The rest is as normally. Among the dwarf person, there are variations of the length. The phenotypic expressivity is varied in the vertebrae, leg, and calf; but the rest is relatively invariable. Their penetrance is strong, mostly in the height, length of vertebrae, and legs. Based on morphological data we concluded that the disorder in the Kedurang, South Bengkulu belongs to SEDT (Spondyloepiphyseal dysplasia tardd).
STRATEGI MENCARI MAKAN BURUNG PECUK PADI HITAM (PHALACROCORAX SULDROSTRIS) DI SUAKA MARGASATWA PULAU RAMBUT, TELUK JAKARTA AlDA FlTHRI
Jurnal Biologi Udayana Vol 12 No 2 (2008): JURNAL BIOLOGI
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

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Abstract

Little black cormorant (Phalacrocorax suldrostris} feeding activity around their breeding area face many problem such as high velocity wind and piracy by frigate birds. P. suldrostris developed six type of flying to overcome high velocity wind and flew in group to avoid frigate attack. As much as 13 fish species were consumed by little black cormorant during this research.
POLA REPRODUKSI PADA SALAK BALI (SA/ACCA ZA/ACCA VAR. AMBOINENSIS (BECC.) MOGEA ENIEK KRISWIYANTI; I KETUT MUKSIN; LUH WATINIASIH; MADE SUARTINI
Jurnal Biologi Udayana Vol 12 No 2 (2008): JURNAL BIOLOGI
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (133.455 KB)

Abstract

Research on reproduction patterns of Balinese snake skin fruits (Salak Bali) has been conducted by identifying the availability of pollens on anthers of male and hermaphrodite flowers, the viability of pollens in the pistillum and the present of embryo(s) in the ovulum. Flower samples were collected from Sibetan and Muncan Villages, Karangasem regency. Sample preparations and identifications were conducted in "Stuktur dan Perkembangan Tumbuhan Laboratory" Department of Bilogy, FMIPA Udayana University. The results showed that the pollen has a single apperture, unisulcus, minuta, oblat sferoidal type. The length of polar axis was 15-24 jam (P) and equatorial diameter of 16-24 |im (E). Therefore, the P/E index was 0.99-1.0. The pollen viability before and after anthesis of hermaphrodite flowers was low (71.4% and 50.6% respectively), with very low pollen tube germinations (0.08% of before and 0.48% after anthesis). Similarly, on the anthers of male flowers, the viability of pollens before anthesis was low (75.7%) with pollen germination of 0.18%, and event lower in after anthesis flowers (28.8%) with 0.29% pollen tube germination. Squashed stigma before and after anthesis and 2 days after flowers were opened showed that there was no germination occurred. Therefore, there was no germination in the pistillum, but the embryo developed before flower anthesis, indicates that the reproduction pattern of Salak Bali occurred without fertilizations (agamospermy).
DAYA HAMBAT FRAKSINASI EKSTRAK SEMBUNG DELAN (SPHAERANTUS INDICUS L) TERHADAP BAKTERI ESCHERICIA COLI DAN STAPHYLOCOCCUS AUREUS IDA BAGUS GEDE DARMAYASA
Jurnal Biologi Udayana Vol 12 No 2 (2008): JURNAL BIOLOGI
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

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Abstract

A research entitled "Inhibitid activity of plant fractination extract of Sembung Delan (Sphaeranthus indicus L.) to Eschericia coli and Staphylococus aureus bacterial was carried aut to find the active of plant extract that responsible for bactericidal agent. This research used absorbance disc method to determine inhibitid fractionation extratc of Sembung Delan to growth of Eschericia coli and Staphylococus aureus bacterial. Results of this study showed that the crude extract of Sembung Delan inhibited the growth of Eschericia coli and Staphylococus aureus on Muller- Hinton medium, indicated by the formation of inhibition zone around the disc loaded with plant extract at concentration of 10,000 ppm, 20,000 ppm, 30,000 ppm, 40,000 ppm, and 50,000 ppm, with diamtre of 10mm, llmm, 12mm, 13mm and 16 mm respectively to S. aureus, forE. coli crude extract at concentration of 10,000 ppm, 20,000 ppm, 30,000 ppm, 40,000 ppm, and 50,000 ppm using diametre each of 12 mm, 13 mm, 15 mm, 17 mm and 19 mm respectively . From 17 fractions obtained from fractionation, fraction No. Vm (eluted with ethyl acetate:hexan) with Rf value of 0,9 ; 0,8 ; 0,7 ; 0,68 ; and 0,62, fraction No. DC (eluted with etihil acetate : hexan) with Rf value of : 0,98, ; 0,94 ; and 0,82, fraction No. XV (eluted with ethyl acetate 100%) Rf value of : 0.03; 0.23; 0.35 and fraction No. XVI (eluted with ethyl acetate 100%) with Rf value of: 0.03; 0.14; 0.17; 0.21, effectivity inhibited the growth of test bacterial.
PERILAKU DAN JENIS PAKAN ORANGUTAN KALIMANTAN (PONGO PYGMAEUS LINNAEUS, 1760) DL KALIMANTAN PURWO KUNCORO; SUDARYANTO -; LUH Puru ESWARYANTI KUSUMA YUNI
Jurnal Biologi Udayana Vol 12 No 2 (2008): JURNAL BIOLOGI
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (367.866 KB)

Abstract

Data collection was conducted using focal animal instantaneous. The daily activity data were group based on their ethogram and was adopting "The Standard of Orangutan's collection" from Morrogh-Bernard et al. (2002). The research collected 739 hours 29 minutes of dawn to dusk observations. The daily activity was determined by activity proportion. Rehabilitated Orangutans was found to have higher proportion of social activity (79,29%) than the one of self-action activity (23,71%). The daily activity proportions consisted of 10,44% (females) and 14,13% (males) for movement, 29,01% (females) and 30,66% (males) for resting, 12,34% (females) and 4,90% (males) for social activities, 3,36% (females) and 2,49% (males) for self activities, and also 44,85% (females) and 47,82% (males) for foraging with 96 plants species and 1 termite species as food sources.

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