Browsing Hayati Journal of Biosciences by Title
Now showing items 67-86 of 302
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Direct Cloning of a Xylanase Gene from Pawan-Riau Hot Spring
(2007)A functional gene containing an Open Reading Frame (ORF) encoding a β-1, 4-endoxylanase glycosyl hydrolase family 11 was cloned directly using metagenomic PCR-cloning method from Pawan Hot Spring sample in Riau. The gene ... -
Diurnal Patterns of Testosterone and Cortisol Metabolites in Fecal of Javan Gibbons (Hylobates moloch) in Captivity
(2006)The aims of this research were to determine diurnal patterns of testosterone and cortisol metabolites to predict the testis functional status. In this study, fecal testosterone and cortisol were quantified in 77 samples ... -
Diversity and Effectiveness of Insect Pollinators of Jatropha curcas L. (Euphorbiaceae)
(2010)Seed of Jatropha curcas (Euphorbiaceae) is currently established as the source for biofuel Therefore, it is important to understand the diversity insects that pollinated J. curcas inflorescence yellow flowers. We also aimed ... -
Diversity of Antifungal Compounds-Producing Bacillus spp. Isolated from Rhizospere of Soybean Plant Based on ARDRA and 16S rRNA
(2010)Plant growth promoting rhizobacteria (PGPR) play an important role in improvement of seed germination, root development, and water utilization by plants. These rhizobacteria can stimulate plant growth directly by producing ... -
Diversity of Pollinator Insect in Relation to Seed Set of Mustard (Brassica rapa L. Cruciferae)
(2007)Pollinators provide key services to both natural and agricultural ecosystems. Agricultural productivity depends, in part, on pollinator populations from adjacent seminatural habitats. Here we analysed the diversity of ... -
Ecotoxilogical Assesssment of Aquatic Genotoxicity Using the Coment Assay
(2006)Comet assay is a novel biological analysis, which is a sensitive, flexible, simple, rapid, and inexpensive method to assess aquatic genotoxicant. Since Singh and co-workers developed the method in 1988, its use has increased ... -
Efek suplementasi Zn terhadap status imun wanita premenopause yang diintervensi dengan minuman berisoflavon
(2005)The research was conductetl to find out the effect of Zn s~rpplcmcnt to irnniuric status of premenopausal women intcrvcnterl with isoflavoned cleinlting. Rcspondcnts were 22 women, more tiIan 40 year of age. They were ... -
Efektivitas Polietilena Glikol untuk Mengevaluasi Tanggapan Genotipe Kedelai terhadap Cekaman Kekeringan pada Fase Perkecambahan
(2002)The objectives of this experiment were to evaluate responses of soybean genotype to drought stress generated by polyethylene glycol (PEG) supplementation at germination stage. Evaluations were conducted using four soybean ... -
The Effect of Ascorbic Acid Treatment on Viability and Vigor Maise (Zea mays L.) Seedling under Drought Stress
(2010)This study was conducted in the laboratory and the field to examine the effects of ascorbic acid treatment on germination and seedling growth under drought stress. The laboratory works consisted of two experiments and were ... -
Effect of Leaf Litters and Soils on Viability of Entomopathogenic Fungi Beauveria bassiana (Bals.) Vuill
(2008)Viability of Beauveria bassiana is extremely low due to toxic compounds in soils. This research was aimed to study the effect of four groups of media on viability of B. bassiana Bb-Pb2. The first group was leaf litters of ... -
Effect of Mamordica charantia L. Powder on Antioxidant Superoxide Dismutase in LIver and Kidney of Diabetic Rats
(2010)The status of antioxidant superoxide dismutase (SOD) was reported decreased in the liver tissues of diabetic experimental Macaca fascicularis. This study observed effect of Mamordica charantia on the status of SOD in the ... -
Effect of Paracoccus sp. and their Genetically Modified on Skin Coloration of Red Sea Bream
(2010)Astaxanthin (Asx) content in the skin of red sea bream was observed in a feeding trial with two Asx sources: marine bacteria (Paracoccus sp.) and Asx concentrated marine bacteria modified genetically (GM marine bacteria). ... -
The Effect of Seaweed Euchema cottonii on Superoxide Dismutase (SOD) Liver of Hypercholesterolemic Rats
(2008)Intracellular antioxidant superoxide dismutase (SOD) was reported decreased in the liver and kidney of hypercholesterolemic rats. This study was conducted to observe the effect of seaweed Eucheuma cottonii powder on the ... -
The Effect of T-2 Toxin on Preimplantion Embryos and Fetuses of Swiss Webster Mice
(2007)T-2 toxin is a toxic and teratogenic mycotoxin produced by Fusarium tricintum which may contaminate cereal, seed, and food. The aim of this research is to find out the effects of T-2 Toxin on preimplantion embryos and ... -
Effect of Zn Supplemented to Immune Status Premenopausal Women Intervented with Isoflavoned Drinking
(2005)The research was conducted to find out the effect of Zn supplement to immune status of premenopausal women intervented with isoflavoned drinking. Respondents were 22 women, more than 40 year of age. They were divided into ... -
Effects of Antioxidants as Prestorage Seed Invigoration Treatments on Storability of Sunflower (Helianthus annuus L.) Seeds
(2005)Oilly seeds, such as those of sunflower (Helianthus annuus L.), have short storability (3-4 months in room condition) due to oxidative stress during storage. The objective of this research was to determine whether prestorage ... -
Effects of hemB Antisense RNA on δ-Aminolevulinic Acid Production in Rhodobacter sphaeroides
(2002)Genes for â and á polypeptides of the light harvesting II complexes in Rhodobacter sphaeroides 2.4.1 are encoded by the pucBA operon. Their expression is highly regulated by oxygen level and light intensity. ä-Aminolevulinic ... -
Effects of Medium Constituents on Growth and Canthinone Accumulation in Cell Suspension Cultures of Eurycoma longifolia Jack
(2009)The effect of various macronutrients, micronutrients and sucrose on growth and canthinone alkaloid production in cell suspension cultures of Pasak Bumi (Eurycoma longifolia Jack) was investigated. The optimum macronutrients ... -
Effetct of Gamma Irradiation on Regeneration Capacity of Mangosteen Nodular Callus
(2007)The research was conducted to determine the effect of gamma irradiation on regeneration capacity of mangosteed nodular callus. Nodular calli derived from a leaf as explants and cultured on MS medium containing combination ... -
Embryology of Swainsona formosa (Fabaceae): Anther and Ovule Development
(2005)Our study showed that floral morphology and anatomy in Swainsona formosa were typical of leguminous flower. The anthers were found to be tetrasporangiate, with a 3-layered wall below the epidermis. The wall was comprised ...