Hayati Journal of Biosciences: Recent submissions
Now showing items 201-220 of 302
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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 ... -
Population Status and Ecological Preferences of the Palm Sommieria leucophylla Beccard in Salawati Island
(2010)Population status and ecological preferences of the New Guinean endemic palm Sommieria leucophylla in a lowland forest of the North Salawati Island Nature Reserve were documented at six different habitat types: river bank, ... -
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 ... -
Compost Extract of Vegetable Wastes as Biopesticide to Control Cucumber Mosaic Virus
(2010)In semiaerobic conditions, different composting processes of vegetable wastes have different characteristics. When compost extracts amended with the effective microorganism-4 (EM4, +E) and Pseudomonas aeruginosa Ch1 (+B) ... -
Phytochemicalassay and Antiplatelet Activity of Fractions of Velvet Bean Seeds (Mucuna pruriens L.)
(2010)Platelet aggregation is an important factor contributing to the formation of thrombus due to an uncontrolled blood clotting. An antiplatelet agent is a compound which decreases platelet aggregation and inhibits thrombus ... -
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 ... -
Developing of Tris Soy Milk Diluent for Frisian Holstein Bull Frozen Semen
(2010)Commercial artificial insemination (AI) companies in the beginning of year 2000, introduced new generation of cryoprotectans with lecithin based diluents such as Biociphos (IMV, L’Aigle, France) and Andromed® (Minitub, ... -
Partial Purification of Antimicrobial Compounds Isolated from Mycelia of Tropical Lentinus cladopus LC4
(2010)Lentinus cladopus LC4 produced at least eight antimicrobial compounds (ACs) which are active against plant and human pathogens. Three ACs in its crude mycelial were extracted with methanol and partial purification was ... -
Morphological Characteristic of Ectomycorrhizas on Merbau [Intsia bijuga (Colebr.) O. Kuntze]
(2010)Merbau [Intsia bijuga (Colebr.) O. Kuntze] is one of valuable timber tree in south-east Asia which has been known having ectomycorrhizae (EcM) though being ignored. Identification of the ectomycorrizae is prime important ... -
Characterization of Endophytic Diazotroph Bacteria Isolated from Rice
(2010)Attempt to extend the biological nitrogen fixation to important crops such as rice has been conducted by isolating endophytic diazotrophs from rice rhizosphere and roots. In this study, three bacterial isolates of R2, R4, ... -
Identification and molecular characterization of Odontoglosum Ringspot Virus (ORSV) from Bogor, Indonesia
(2010)Recently, field surveys were conducted in several orchid nurseries in Bogor (West Java), Magelang (Central Java) and Malang (East Java). We found that most of the commercially orchids sampled from Bogor was infected by ... -
Clooning of araA Gene Encoding L-Arabinose Isomerase from Marine Geobacillus stearothermophillus Isolated from Tanjung Api, Poso, Indonesia
(2010)L-arabinose isomerase is an enzyme converting D-galactose to D-tagatose. D-tagatose is a potential sweetenersucrose substitute which has low calorie. This research was to clone and sequence araA gene from marine bacterial ... -
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). ... -
Quality of Epididymal and Ejaculated Sperms of Spotted Buffalo in Dextrose Supplemented Extender
(2010)Quality of epididymal and ejaculated sperms of spotted buffalo in three different extenders (i.e. Andromed, Andromed supplemented with 0.2% dextrose, and Andromed supplemented with 0.4% dextrose) was studied. The results ... -
Inhibition of Urokinase-Type Plasminogen Activator Expression by Macelignan in Porphyromonas gingivalis Supernatant-Induced Human Oral Epithelial Cells
(2010)This study was to investigate the effect of macelignan on Porphyromonas gingivalis supernatant-induced uPA expression via regulating mitogen-activated protein kinase (MAPK) and activating protein-1 (AP-1) signaling pathways ... -
Short Communication Single Strand Conformation Polymorphism Method for Initial Detection DNA Sequence Homogeneity
(2010)In molecular phylogenetic study, homogeneity of DNA sequences is a prerequisite before putting it into practice. Internal transcribed spacer (ITS) region of nuclear ribosomal DNA (nrDNA) has been common in phylogenetic ... -
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 ... -
Amplified fragment length polymorphism diversity of cultivated white oyster mushroom pleurotus ostreatus
(2010)Amplified fragment length Polymorphism (AFLP) analysis was performed to study the genetic diversity of fifteen isolates of white oyster mushroom (Pleurotus ostreatus) originated from different places in Indonesia (Java, ... -
Differential Regulation of The Nodulation Zone by Silver Ions, L-α-(2-Amino-Ethoxyvinyl)-Glycine, and the skl Mutation in Medi
(2010)Nodule formation in Rhizobium-legume symbiosis is negatively regulated by ethylene. Ethylene inhibitors such as L-α-(2-amino-ethoxyvinyl)-glycine (AVG) and silver ions (Ag+), the ethylene-insensitive sickle mutant, and ... -
Intracellular CA 2+ Regulation in Calcium Sensitive Phenotype of Saccharomyces cerevisiae
(2010)Intracellular cytosolic Ca2+ concentration accumulation plays an essential information in Saccharomyces cerevisiae i.e. to explain cellular mechanism of Ca2+ sensitive phenotype. Disruption both S. cerevisiae PPase PTP2 ...
