Tomoki Matsuyama

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Differences in mating time between populations can give rise to premating reproductive isolation. Tephritid fruit flies exhibit large variation in mating time among intra- or inter-specific populations. We previously cloned the clock gene period from two strains of melon fly, Bactrocera cucurbitae; in one the individuals mate early during the day, whereas(More)
Understanding the role of 'epigenetic' changes such as DNA methylation and chromatin remodeling has now become critical in understanding many biological processes. In order to delineate the global methylation pattern in a given genomic DNA, computer software has been developed to create a virtual image of restriction landmark genomic scanning (Vi-RLGS).(More)
The chloroplast is a photosynthetic organelle in plant cells. The development and function of the chloro-plast are regulated by plant hormones, particularly cytokinin as a positive regulator and brassinosteroid as a negative regulator. We would like to clarify the molecular mechanism of chloroplast development regulated by the two phytohormones, and(More)
Four chrysanthemum cultivars were generated through (carbon) ion-beam irradiation of the original ‘Jimba’ (Chrysanthemum morifolium Ramat.). The new cultivars had acquired a number of superior cultivation traits, while remaining identical to the commercially available ‘Jimba’ in appearance. In this study, polymerase chain reaction (PCR) assays were used to(More)
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