Hayati Journal of Biosciences: Recent submissions
Now showing items 161-180 of 302
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The use of Acid-Alumunium tolerant bradyrhizobium japonicum inoculant for soybean grown on acid soils
(2009)Land with low pH soil spread widely in Indonesia can be used for soybean (Glycine max) cultivation, although the production is low. The use of acid tolerant soybean and acid-Al tolerant nitrogen-fixing bacteria was an ... -
Flower Characteristic and the Yield of Jatropa (Jatropha curcas L.) Accessions
(2009)The flower characteristics of a plant is one of the important traits correlated to its productivity. Study on flower characteristics is useful to understand how to increase the crop productivity. The research was conducted ... -
Fatty Acid Synthesis biy Indonesian Marine Diatom, Chaetoceros gracilis
(2009)Since the primary storage nutrients in diatoms consist of lipid, they are potential for the industrial fatty acid production. High value fatty acids include arachidonic acid, eicosapentaenoic acid and docosahexaenoic acid. ... -
Fractination and Characterization of Tannin Acyl Hydrolase from Aspergillus niger
(2009)We previously produced tannin acyl hydrolase (tannase) from Aspergillus niger isolated from cacao pod. In the present study the enzyme was subjected to fractionation by ammonium sulphate followed by dialysis process. The ... -
Purification and Characterization of a-1, 3-Glucanase from the Antagonistic Fungus Trichoderma reesei
(2009)Trichoderma enzymes that inhibit fungal cell walls have been suggested to play an important role in mycoparasitic action against fungal root rot pathogen Ganoderma philippii. This experiment was aimed to purify and ... -
Tempeh Waste as a Natural, Economical Carbon and Nutrient Source : ED-XRF and NCS Study
(2009)The purpose of this study was to determine the elemental composition of three types of waste from tempeh production. They are soybean hull “tempeh waste” after dehulling soybeans, tempeh wastewater after soaking dehulled ... -
Fungal Succession and Decomposition of Acacia mangium Leaf Litters in Helath and Ganoderma Attacked Standings
(2009)Leaf litters of Acacia mangium play an important functional role in ecosystem, producing sources of nutrients and giving diversity of microorganisms. Understanding the variation in fungal populations in A. mangium forest ... -
Mercury and Cyanide Contaminations in Gold Mine Environment and Possible Solution of Cleaning Up by Using Phytoextraction
(2009)Water contamination with heavy metals, mainly mercury and cyanide (CN) due to small scale of public mines and large scale of industrial mines have been in concern to residents around the area. Surveys of heavy metal ... -
Biocontrol Ability of Puccinia abrupta var. partheniicola on Different Growth Stages of Parthenium Weed (Phartenium hysterophorus L.)
(2009)A research was conducted to investigate the biological control ability of Puccinia abrupta var. partheniicola infected to parthenium weed (Parthenium hysterophorus L.) at different stages of growth in a glasshouse. The ... -
Molecular Phylogenetic Classification of Streptomyces Isolated from the Rhizospere of Tropical Legume (Paraserianthes falcatariia) (L.) Nielsen
(2009)Intrageneric diversity of 556 streptomycetes isolated from the rhizosphere of tropical legume was determined by using molecular taxonomic method based on 16S rDNA. A total of 46 isolates were taken to represent 37 colour ... -
Severe Outbreak of a Yellow Mosaic Disease on the Yard Long Bean in Bogor, West Java
(2009)During 2008 crop season, an outbreak of severe yellow mosaic disease on yard long bean (Vigna unguiculata subsp. Sesquipedalis) occurred in several farmers’ fields in West Java. Yard long bean var. Parade inoculated manually ... -
Cloning ORF2 Membrane Protein of Koi Herpesvirus Lake Toba Indonesian Isolate
(2009)Koi herpesvirus (KHV) caused significant morbidity and mortality in koi and common carp. KHV which showed strong antigenic property implied that KHV virion or proteins may be used as antigen to raise antibody or vaccine ... -
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 ... -
Morphological and RAPD Analysis of Fusarium Species Associated with Root and Stem Rot of Dendrobium Orchid in Northern Peninsula Malaysia
(2009)A total of 29 Fusarium isolates were isolated from Dendrobium orchid showing symptoms of root and stem rots. Based on morphological characteristics, three species were identified namely, F. oxysporum, F. solani, and F. ... -
Lack of Atherosclerotic Lesion Progression on Severe Hyperlipidemic Rabbits
(2009)In human, coronary heart disease causes by severe pathological atherosclerosis. In this study, we established animal model to study atherosclerosis caused by hyperlipidemia. This study therefore was undertaken to define ... -
Isolation, Characterization, and Genetic Diversity of Ice Nucleation Active Bacteria on Various Plants
(2009)Ice nucleation active (INA) bacteria is a group of bacteria with the ability to catalyze the ice formation at temperature above -10 oC and causing frost injury in plants. Since, most of the literature on INA bacteria were ... -
Population Size Effects on Progency Performance in Banksia ilicifolia R. Br. (Proteaceae)
(2009)A reduction in population size due to land clearing and habitat fragmentation may have negative effects on plant fitness. A relationship between population size and progeny performance for four small (n < 20 plants) and ... -
Characterization Antimicrobes of Pliek U, A Traditional Spice of Aceh
(2009)Pliek u obtained by traditionally fermentation of coconut meat is a potential source of antimicrobial compounds. This research was aimed to detect of their active compounds by bioautographic method and to analyze their ... -
Proline and Abscisic Acid Content in Droughted Corn Plant Inokulated with Azospirillum sp. and Arbuscular Mycorrhizae Fungi
(2009)Plants that undergo drought stress perform a physiological response such as accumulation of proline in the leaves and increased content abscisic acid. A research was conducted to study proline and abscisic acid (ABA) content ... -
Inhibitory Effect of Iodoacetate on Developmental Competence of Porcine Early Stage Embryos in Vitro
(2009)In porcine preimplantation embryos, glucose-utilizing pathways are reported active throughout their development. The aim of this study was to test the involvement of glycolysis activity in early stage of porcine embryo ...
