Proceedings of the Japan Academy. Series B, Physical and Biological Sciences最新文献_第2页

Mechanisms of autophagosome formation. 自噬体的形成机制

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.005

Yuko Fujioka, Nobuo N. Noda

引用次数: 0

Pursuing the identity of a natural medicine licorice by Dr. Shoji Shibata that he firstly investigated half a century before. 寻找柴田正二博士在半个世纪前首次研究的天然药物甘草的身份。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.018

Michiho Ito

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Correction to "Dynamics of the nucleoside diphosphate kinase protein DYNAMO2 correlates with the changes in the global GTP level during the cell cycle of Cyanidioschyzon merolae". 更正“核苷二磷酸激酶蛋白DYNAMO2的动力学与Cyanidioschyzon merolae细胞周期中全球GTP水平的变化相关”。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.022

Yuuta Imoto, Yuichi Abe, Kanji Okumoto, Mio Ohnuma, Haruko Kuroiwa, Tsuneyoshi Kuroiwa, Yukio Fujiki

引用次数: 0

Pathogenesis of type 2 diabetes in Japan and East Asian populations: Basic and clinical explorations. 日本和东亚人群2型糖尿病的发病机制：基础和临床探索。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.009

Yutaka Seino, Yuji Yamazaki

引用次数: 0

First English article of Yagi-Uda antenna. 八木田天线的第一篇英文文章。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.001

Qiang Chen

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Peaks in weak lensing mass maps for cluster astrophysics and cosmology. 星系团天体物理学和宇宙学中弱透镜质量图的峰值。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.010

Masamune Oguri, Satoshi Miyazaki

{"title":"Peaks in weak lensing mass maps for cluster astrophysics and cosmology.","authors":"Masamune Oguri, Satoshi Miyazaki","doi":"10.2183/pjab.101.010","DOIUrl":"10.2183/pjab.101.010","url":null,"abstract":"Clusters of galaxies can be identified from the peaks in weak lensing aperture mass maps constructed from weak lensing shear catalogs. Such purely gravitational cluster selection differs considerably from traditional cluster selection based on the baryonic properties of clusters. In this review, we present the basics and applications of weak lensing shear-selected cluster samples. Detailed studies of the baryonic properties of shear-selected clusters shed new light on cluster astrophysics. The purely gravitational selection indicates that the selection function can be quantified more easily and robustly, which is crucial for deriving accurate cosmological constraints from the abundance of shear-selected clusters. Recent advances in shear-selected cluster studies are driven by the Subaru Hyper Suprime-Cam survey, in which more than 300 shear-selected clusters with a signal-to-noise ratio ＞ 5 were identified. It is argued that various systematic effects in cosmological analysis can be mitigated by carefully selecting the setup of the analysis, including the selection of kernel functions and the source galaxy sample.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"101 3","pages":"129-142"},"PeriodicalIF":4.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143616927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Relationship between typical fall patterns and fall-related fractures in older Japanese adults. 日本老年人典型跌倒方式与跌倒相关骨折的关系

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.004

Minoru Yamada, Yusuke Terao, Iwao Kojima, Shu Tanaka, Hiroki Saegusa, Miho Nanbu, Shiho Soma, Hiroki Matsumoto, Masaya Saito, Kohei Okawa, Naoto Haga, Hidenori Arai

{"title":"Relationship between typical fall patterns and fall-related fractures in older Japanese adults.","authors":"Minoru Yamada, Yusuke Terao, Iwao Kojima, Shu Tanaka, Hiroki Saegusa, Miho Nanbu, Shiho Soma, Hiroki Matsumoto, Masaya Saito, Kohei Okawa, Naoto Haga, Hidenori Arai","doi":"10.2183/pjab.101.004","DOIUrl":"10.2183/pjab.101.004","url":null,"abstract":"This study explored the relationship between fall patterns and fall-related fractures in older adults. A cross-sectional survey was conducted among community-dwelling older adults in Maibara City, Japan, focusing on falls over the past three years. Among the 1,695 reported falls, 176 fractures occurred in 120 individuals. Backward or straight-down and sideways falls were more likely to result in fractures compared to forward falls, with odds ratios (95％ confidence interval) of 3.23 (2.08-5.02) and 3.68 (2.35-5.76), respectively. Falls triggered by slipping or loss of balance had higher fracture rates than those triggered by tripping. Specific fall patterns were associated with particular fractures, such as forearm and patella fractures from forward falls, spine fractures from backward or straight-down falls, and hip fractures from sideways falls. We conclude that the fracture risk varies significantly based on fall patterns, providing insights for enhancing fall prevention strategies.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"101 2","pages":"98-106"},"PeriodicalIF":4.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11893222/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Re-recognized universality of Kozai oscillation on three-body dynamics. 重新认识三体动力学上Kozai振荡的普遍性。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.012

Masanori Iye, Takashi Ito

引用次数: 0

Structural determination of mugineic acid, an iron(III)-chelating substance secreted from graminaceous plants for efficient iron uptake. 禾本科植物分泌的铁（III）螯合物质mugineic酸的结构测定。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.007

Takanori Kobayashi, Naoko K Nishizawa

{"title":"Structural determination of mugineic acid, an iron(III)-chelating substance secreted from graminaceous plants for efficient iron uptake.","authors":"Takanori Kobayashi, Naoko K Nishizawa","doi":"10.2183/pjab.101.007","DOIUrl":"10.2183/pjab.101.007","url":null,"abstract":"Iron is an essential element for organisms, but its solubility in soil is often extremely low. Previously, plants were considered to take up iron only after its reduction to ferrous ions. Takagi reported that oat and rice secrete chelating substances that solubilize ferric iron in the rhizosphere for efficient iron uptake. In 1978, Takemoto et al. reported the chemical structure of an iron-chelating compound secreted from barley roots, designated as mugineic acid. Mugineic acid and its derivatives, collectively known as mugineic acid family phytosiderophores (MAs), chelate ferric iron using octahedral hexacoordination. The specific iron uptake system by MAs in graminaceous plants was later classified by Römheld and Marschner as Strategy II, in contrast to Strategy I for reduction-based iron uptake by non-graminaceous plants. Further studies on MAs by Japanese researchers led to the identification of their biosynthetic pathways, corresponding enzymes and encoding genes, their regulation mechanisms, and the production of iron deficiency-tolerant and iron-rich crops.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"101 2","pages":"55-67"},"PeriodicalIF":4.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11893220/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dawn of photoredox catalysis. 光氧化还原催化的曙光。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2025-01-01 DOI: 10.2183/pjab.101.019

Munetaka Akita

{"title":"Dawn of photoredox catalysis.","authors":"Munetaka Akita","doi":"10.2183/pjab.101.019","DOIUrl":"https://doi.org/10.2183/pjab.101.019","url":null,"abstract":"Photoredox catalysis, which facilitates organic transformations under visible-light irradiation, including sunlight, has garnered considerable attention as a cornerstone of green chemistry. Since the early days of this field around 2010, the author's group has made substantial contributions to its advancement. This review article provides a concise overview of the history and fundamental principles of photoredox catalysis, along with highlights of the achievements by the author's group. Although colorless organic compounds cannot be directly activated by visible light, photo-excited colored catalysts, with their two half-occupied frontier orbitals, play dual roles via electron transfer processes with organic substrates. The hole in the lower-energy orbital functions as a single-electron oxidant, whereas the electron in the higher-energy orbital acts as a single-electron reductant, enabling the formation of reactive radical intermediates from diverse organic compounds, including colorless ones. The discussion will focus on the key transformations developed by the author's group, including bimetallic photocatalysis, fluoroalkylation, and catalysis in aqueous media.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"101 5","pages":"274-301"},"PeriodicalIF":4.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143980761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0