Hayati Journal of Biosciences: Recent submissions
Now showing items 61-80 of 302
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Spatial Analysis of Agricultural Landscape and Hymenoptera Biodiversity at Cianjur Watershed
(2006)Hymenoptera is one of the four largest insect order (the other three are Coleoptera, Diptera, and Lepidoptera). There are curerently over 115 000 described Hymenoptera species. It is clear that Hymenoptera is one of the ... -
Fecundity, Longevity, and Host Finding of Three Parasitoid Species of Liriomyza sativae
(2006)Liriomyza sativae is a polyphagous agromyzid leafminer and it has invaded large part of world, i.e Hemiptarsenus varicornis, Gronotoma micromorpha, and Opius dissitus. This research were conducted to investigate progeny, ... -
Production Pattern of Ajmalicine in Catharanthus roseus (L.) G. Don. Cell Aggregates Culture in the Airlift Bioreactor
(2006)A research has been conducted to optimize the rate of aeration and initial weight of cell aggregates in the production of ajmalicine in Catharanthus roseus cell culture in airlift bioreactor. Catharanthus roseus culture ... -
Immuncontraception Reversibility Test of Goat Zona Pellucida-3 (gZP3) on Mice (Mus musculus)
(2006)The aim of this study was to prove the reversibility of gZP3 protein on mice as an animal model. Treatment group of mice (Mus musculus) were immunized with 40 μg goat zona pellucida-3 (gZP3) as an anti fertility agent. ... -
Evolution of a Wingless Gene and its Utility for Inferring the Relationships within Glyphodes Moths
(2006)The evolution of a nuclear Wingless gene was investigated and its utility for inferring the phylogenetic relationship within Glyphodes moths was assessed by comparing with other three genes namely, COI, COII, and EF-1á. ... -
Oxidative Burst, Peroxidase Activity, and Lignin Content of Sclerotium rolfsii Infected Peanut Tissue
(2006)The objectives of this experiment were to analyse physiological responses, such as oxidative burst reaction, peroxidase activity, and lignin content of healthy and S. rolfsii-infected peanut tissues. Differences in ... -
Maturation Rate of Ovine Oocytes from Different Reproductive Status and Maturation Medium
(2006)The aim of the present study was to determine the number of follicles, oocyte quality and maturation rate of oocytes from pairs of ovary with different reproductive status in two maturation medium, TCM-199 as control and ... -
Characterization of Xylanase Streptomyces spp. SKK1-8
(2006)Streptomyces spp. SKK1-8 producing xylanase was isolated from soil sample from Sukabumi West Java. The xylanase have an optimum condition at pH 6 and 50 oC. Addition of 5 mM Cu2+ decreased the xylanase activity up to about ... -
Synergism of Lumbricus rubellus and Pseudomonas putida Pf-20 in Inducing Resistance to Cucumber Mosaic Virus
(2006)Both Lumbricus rubellus and Pseudomonas putida decompose soil organic matters. The population of P. putida Pf-20 increased if L. rubellus was introduced to the cucumber growth medium. The process of organic decomposition ... -
The Immunohistochemical Profile of Superoxide Dismutase (SOD) in the Liver Tissue of Hypercholesterolemic Rats
(2006)This study was conducted to observe intracellular antioxidant cooper,zinc-superoxide dismutase (Cu,Zn-SOD) in liver tissue of rats under hypercholesterolemic condition by using immunohistochemical technique. A total of ... -
Feeding Rate of Soil Animals in Different Ecosystems in Pati, Indonesia
(2006)The feeding activity of soil animals was measured by using bait lamina test in three main ecosystems, i.e. the teak forest, home garden and rainfed paddy field. Two additional ecosystems in rainfed paddy field, i.e. the ... -
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 ... -
Changes of Gibberellin and Total Sugar Content in Flower Development Stages of Mangosteen
(2006)The objectives of this experiment were to study the changes of gibberellic acid and total sugar content in flower developmental stages of mangosteen. The result showed that flower development of mangosteen consisted of ... -
Inheritance of Blast Resistance (Pyricularia grisea Sacc.) on Interspecific Crossing between IR64 and Oryza rufipogon Griff
(2006)Blast disease affected by Pyricularia grisea causes high percentage of yield losses in rice production. The improvement of durable Blast resistance is difficult due to the complexity of the inheritance of this trait. This ... -
The Enhancement of Catharanthine Content in Catharanthus roseus Callus Culture Treated with Naphtalene Acetic Acid
(2006)The research aim was to examine the enhancement of catharanthine content in Catharanthus roseus callus culture added with different concentration of Naphtalene Acetic Acid (NAA). NAA treatment produced callus that formed ... -
Characterization of Lipopolysaccharides of Bradyrhizobium japonicum KDR 15 Heavy Metal Tolerant
(2006)The lipopolysaccharide (LPS) of Bradyrhizobium japonicum KDR 15 heavy metal tolerant strain was isolated by miniphenol-water extraction and yielded LPS in phenol and water phase. The LPS KDR 15 was further characterized ... -
Preliminary Characterization of Protease Inhibitor from Bacteria-Associated with Sponge from Panggang Island, Seribu Islands
(2006)Pathogenic bacteria produced protease that involved in molecular mechanism of foodborne disease. Produced protease involved in molecular mechanisms of foodborne diseases. The purpose of this research was to screen, identify ... -
Activity of oligoresveratrols from stem bark of hopea mengarawan (dipterocarpaceae) as hydroxyl radical scavenger
(2006)Four oligoresveratrols ranging from dimer to tetramer, isolated from stem bark of Hopea mengarawan (Dipterocarpaceae) plants were tested for their activity as hydroxyl radical scavenger. The activity of these compounds was ... -
The Physiologic Response of Soybean Genotypes to VAM Inoculation on Selected Drought Stress Levels
(2006)Present research was aimed to study physiological changes of soybean which were inoculated with vesicular arbuscular mycorrhizal fungi (VAM). Glomus etunicatum was exposed to moderate and severe drought condition. Symbiotic ... -
Reproductive Potential of Lola Snail (Trochus niloticus) in Saparua Island, Central Maluku
(2006)Lola (Trochus niloticus) is one of the largest sea snails that lives in the shallow water in Eastern Indonesia and the Pacific. In Saparua Island (Central Maluku), lola population tends to decline due to its exploitation ...
