Publications by authors named "Yuichi Takikawa"

A novel compound () along with two known compounds ( and ) were isolated from the culture broth of , and three known compounds (-) were isolated from its fruiting bodies. The planar structure of was determined by the interpretation of spectroscopic data. By comparing the specific rotation of the compound with that of the analog compound, the absolute configuration of was determined to be .

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Five compounds including a new compound (1) were isolated from mycelia of a mushroom-forming fungus Agaricus blazei. Compound 2 was isolated from nature for the first time. Their structures were determined by the interpretation of spectroscopic data.

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A novel compound (1) and 3 known compounds (2-4) were isolated from the fruiting bodies of Hypholoma fasciculare. The structure of 1 was determined by the interpretation of spectroscopic data. Compounds 2-4 were identified by comparing the spectra data of known compounds.

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pv. alisalensis and pv. maculicola cause bacterial leaf blight and bacterial leaf spot of crucifers (Brassicaceae).

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Black rot and bacterial spots threaten the cultivation of cruciferous vegetables worldwide, and the development of a method that can easily detect, identify, and distinguish their respective pathogens Xanthomonas campestris pv. campestris (Xcc) and X. campestris pv.

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Bacterial leaf spot and bacterial leaf blight are global threats to the cultivation of cruciferous vegetables, and it is necessary to develop methods to easily detect, identify, and distinguish the causative pathogens Pseudomonas syringae pv. maculicola (Psm) and P. cannabina pv.

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Pseudomonas syringae, a phytopathogen with a wide host range, inhabits various environments. Among these habitats, air is an important transport environment for microbes, allowing them to disperse over long distances; however, information on the distribution and composition of airborne P. syringae is limited.

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