|Naoya Wasano||Last modified date：2022.04.08|
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Country of degree conferring institution (Overseas)
Field of Specialization
Applied Entomology, Insect Pathology, Microbial Control, Plant Physiology and Function, Biological Intraction
Total Priod of education and research career in the foreign country
- The aim of my study is to elucidate various biological interactions at the molecular level among plant-insect-microorganism. The studies include (1) characterization of bacterial toxins that cause serious disease in insects; (2) Identification of plant bioactive secondary metabolites and/or proteins, which involved in eating habits of phytophagous insects and/or plant allelopathy; and (3) Physiological activities and gene response of plants caused by plant allelochemicals.
keyword : Insect pathogenic bacteria, insecticidal toxic protein, mulberry-derived insect-resistant substances, allelochemicals, plant gravitropism inhibitors
- Microsporidia, which are pathogenic to lepidopteran insects, sometimes cause serious disease against the silkworm resulting a great economical loss on sericultural industry. However, their sources are not well understood. Although lepidopteran insects that live in nature with no obvious pathogenic symptoms, there exists many individuals infected with microsporidia. It is suggested that infection of the microsporidia is involved in population growth, growth rate, life cycle, stage development, physiology, species composition, and population size in nature. To elucidate these hypotheses, we are conducting field collection of lepidopteran insects and investigation of microsporidia infection.
keyword : Microsporidia, Nosema bombycis, lepidopteran insects