Search Results - "Hirao, S."

Lower TB notification rates in later life in the same birth cohort, Japan, 1950-2020 by Ota, M., Hirao, S., Uchimura, K.

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Analysis of 605 tuberculosis outbreaks in Japan, 1993–2015: time, place and transmission site by Ota, M., Hoshino, Y., Hirao, S.

“…Since 1993, reports on tuberculosis (TB) outbreaks have been collected in Japan; however, there has never been an overall analysis of these TB outbreaks. We…”
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Epidemiology of tuberculosis in foreign students in Japan, 2015–2019: a comparison with the notification rates in their countries of origin by Ota, M., Nishimura, T., Uchimura, K., Hirao, S.

“…Abstract Tuberculosis (TB) in immigrants is becoming a challenge in eliminating TB in Japan. We investigated the epidemiology of TB in foreign students in…”
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Japanese “nameko” mushrooms (Pholiota microspora) produced via sawdust-based cultivation exhibit severe genetic bottleneck associated with a single founder by Hirao, Akira S., Kumata, Atsushi, Takagi, Toshihito, Sasaki, Yoshito, Shigihara, Takashi, Kimura, Eiichi, Kaneko, Shingo

“…Pholiota microspora (“nameko” in Japanese) is one of the most common edible mushrooms, especially in Japan, where sawdust-based cultivation is the most…”
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Mutational effects of chronic gamma radiation throughout the life cycle of Arabidopsis thaliana: Insight into radiosensitivity in the reproductive stage by Hirao, Akira S., Watanabe, Yoshito, Hasegawa, Yoichi, Takagi, Toshihito, Ueno, Saneyoshi, Kaneko, Shingo

“…Organisms living on Earth have always been exposed to natural sources of ionizing radiation, but following recent nuclear disasters, these background levels…”
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Kinship between parents reduces offspring fitness in a natural population of Rhododendron brachycarpum by Hirao, Akira S

“…BACKGROUND AND AIMS: A reduction in offspring fitness resulting from mating between neighbours is interpreted as biparental inbreeding depression. However,…”
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Experimental and Field Data Support Range Expansion in an Allopolyploid Arabidopsis Owing to Parental Legacy of Heavy Metal Hyperaccumulation by Paape, Timothy, Akiyama, Reiko, Cereghetti, Teo, Onda, Yoshihiko, Hirao, Akira S, Kenta, Tanaka, Shimizu, Kentaro K

“…Empirical evidence is limited on whether allopolyploid species combine or merge parental adaptations to broaden habitats. The allopolyploid is a hybrid of the…”
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Efficacy of R–N cusp-overlap view as a complementary approach for optimal neocommissural alignment with Navitor valve by Matsushita, S., Fuku, Y., Ikuta, A., Hirao, S., Kadota, K., Komiya, T.

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Development of microsatellite markers for a giant water bug, Appasus japonicus, distributed in East Asia by Suzuki, Tomoya, Hirao, Akira S., Takenaka, Masaki, Yano, Koki, Tojo, Koji

“…We developed microsatellite markers for Appasus japonicus (Heteroptera: Belostomatidae). This belostomatid bug is distributed in East Asia (Japanese…”
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Habitat‐specific responses in the flowering phenology and seed set of alpine plants to climate variation: implications for global‐change impacts by Kudo, Gaku, Hirao, Akira S.

“…The timing of the snowmelt is a crucial factor in determining the phenological schedule of alpine plants. A long‐term monitoring of snowmelt regimes in a…”
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Geographical distribution, genetic diversity, and reproductive traits of mixed polyploid populations in Parasenecio kamtschaticus (Senecioneae; Asteraceae) by Kudo, Gaku, Hirao, Akira S.

“…In order to clarify the genetic differentiation and reproductive traits of mixed polyploid populations in Parasenecio kamtschaticus complex, geographical…”
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Changes in pollinator fauna affect altitudinal variation of floral size in a bumblebee‐pollinated herb by Nagano, Yusuke, Abe, Kota, Kitazawa, Tomoaki, Hattori, Mitsuru, Hirao, Akira S., Itino, Takao

“…Geographic trait variations are often caused by locally different selection regimes. As a steep environmental cline along altitude strongly influences adaptive…”
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Quantification of emission estimates of CO2, CH4 and CO for East Asia derived from atmospheric radon-222 measurements over the western North Pacific by Wada, A., Matsueda, H., Murayama, S., Taguchi, S., Hirao, S., Yamazawa, H., Moriizumi, J., Tsuboi, K., Niwa, Y., Sawa, Y.

“…Emissions of CO, CH 4 and CO 2 in East Asia were estimated using the atmospheric concentration of 222 Rn measured at Minamitorishima (MNM) and Yonagunijima…”
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Estimation of surface anthropogenic radioactivity concentrations from NaI(Tl) pulse-height distribution observed at monitoring station by Hirouchi, J, Yamazawa, H, Hirao, S, Moriizumi, J

“…A method of estimating surface radioactivity concentrations of key anthropogenic radionuclides from NaI(Tl) pulse-height distribution observed at a monitoring…”
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Quantitative evaluation of 218Po behaviour in air in an artificial environment by Yajima, K, Hirao, S, Moriizumi, J, Yamazawa, H

“…Experiments were carried out in a small enclosed booth for the purpose of understanding and modelling (218)Po behaviour. The experiment was conducted under two…”
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Pollination Efficiency of Bumblebee Queens and Workers in the Alpine Shrub Rhododendron aureum by Kudo, Gaku, Hirao, Akira S, Kawai, Yuka

“…Rhododendron aureum is a weakly self-compatible alpine shrub pollinated by bumblebees. Flower visitation frequency and foraging behavior differed between queen…”
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Seasonal changes in pollinator activity influence pollen dispersal and seed production of the alpine shrub Rhododendron aureum (Ericaceae) by Hirao, A.S, Kameyama, Y, Ohara, M, Isagi, Y, Kudo, G

“…In alpine ecosystems, microscale variation in snowmelt timing often causes different flowering phenology of the same plant species and seasonal changes in…”
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effect of segregation of flowering time on fine-scale spatial genetic structure in an alpine-snowbed herb Primula cuneifolia by Hirao, A.S, Kudo, G

“…The flowering phenology of alpine-snowbed plants varies widely depending on the time of snowmelt. This variation may cause spatial and temporal heterogeneity…”
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An experimental method for quantitatively evaluating the elemental processes of indoor radioactive aerosol behavior by Yamazawa, H, Yamada, S, Xu, Y, Hirao, S, Moriizumi, J

“…An experimental method for quantitatively evaluating the elemental processes governing the indoor behaviour of naturally occurring radioactive aerosols was…”
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Morphological and genetic variations of Potentilla matsumurae (Rosaceae) between fellfield and snowbed populations by Shimono, Yoshiko, Watanabe, Mikio, Hirao, Akira S, Wada, Naoya, Kudo, Gaku

“…Identifying ecological factors associated with local differentiation of populations is important for understanding microevolutionary processes. Alpine…”
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