Proceedings of the Japan Academy. Series B, Physical and Biological Sciences最新文献_第3页

Molecular and cellular mechanisms of developmental synapse elimination in the cerebellum: Involvement of autism spectrum disorder-related genes. 小脑发育突触消除的分子和细胞机制：自闭症谱系障碍相关基因的参与。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.034

Takaki Watanabe, Masanobu Kano

{"title":"Molecular and cellular mechanisms of developmental synapse elimination in the cerebellum: Involvement of autism spectrum disorder-related genes.","authors":"Takaki Watanabe, Masanobu Kano","doi":"10.2183/pjab.100.034","DOIUrl":"https://doi.org/10.2183/pjab.100.034","url":null,"abstract":"Neural circuits are initially created with excessive synapse formation until around birth and undergo massive reorganization until they mature. During postnatal development, necessary synapses strengthen and remain, whereas unnecessary ones are weakened and eventually eliminated. These events, collectively called \"synapse elimination\" or \"synapse pruning\", are thought to be fundamental for creating functionally mature neural circuits in adult animals. In the cerebellum of neonatal rodents, Purkinje cells (PCs) receive synaptic inputs from multiple climbing fibers (CFs). Then, inputs from a single CF are strengthened and those from the other CFs are eliminated, and most PCs become innervated by single CFs by the end of the third postnatal week. These events are regarded as a representative model of synapse elimination. This review examines the molecular and cellular mechanisms of CF synapse elimination in the developing cerebellum and argues how autism spectrum disorder (ASD)-related genes are involved in CF synapse development. We introduce recent studies to update our knowledge, incorporate new data into the known scheme, and discuss the remaining issues and future directions.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 9","pages":"508-523"},"PeriodicalIF":4.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142626692","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

The spontaneous-diabetes rat: a model of noninsulin dependent diabetes mellitus by Yoshio Goto and Masaei Kakizaki (1981). 自发性糖尿病大鼠：非胰岛素依赖型糖尿病模型》，Yoshio Goto 和 Masaei Kakizaki 著（1981 年）。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.036

Hiroo Imura

引用次数: 0

Complementary use of visual and olfactory cues to assess capture of Bactrocera dorsalis (Hendel): Implementation and field verification via an IoT-based automatic monitoring system. 互补使用视觉和嗅觉线索评估 Bactrocera dorsalis (Hendel)的捕获情况：通过基于物联网的自动监测系统进行实施和实地验证。

IF 3.1 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.008

Joe-Air Jiang, Yu-Yuan Liu, Min-Sheng Liao, En-Cheng Yang, Ming-Yin Chen, Yi-Yuan Chuang, Jen-Cheng Wang

{"title":"Complementary use of visual and olfactory cues to assess capture of Bactrocera dorsalis (Hendel): Implementation and field verification via an IoT-based automatic monitoring system.","authors":"Joe-Air Jiang, Yu-Yuan Liu, Min-Sheng Liao, En-Cheng Yang, Ming-Yin Chen, Yi-Yuan Chuang, Jen-Cheng Wang","doi":"10.2183/pjab.100.008","DOIUrl":"10.2183/pjab.100.008","url":null,"abstract":"This study examined the effect of combining visual and olfactory cues to attract oriental fruit flies (OFFs). Six different colored light-emitting diodes (LEDs) served as a visual attractant and methyl eugenol served as olfactory bait to lure male flies. An internet of things (IoT)-based pest monitoring system, consisting of sensor nodes, a gateway, and automatic counting traps, was deployed in the field to automatically collect environmental data and pest counts. The results of the calibrated experiments indicated that green, yellow, or red LEDs exhibited better performance in attracting flies than white, purple, or blue LEDs or no LEDs. With an accurate combination of visual and olfactory cues, the proposed IoT-based pest monitoring system may be an effective tool in agricultural pest management, given its advantages for efficiently capturing OFFs in a labor and time saving manner, providing accurate information regarding increases in pest populations, and enabling long-term, real-time data collection.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 1","pages":"68-85"},"PeriodicalIF":3.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10864169/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139417929","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

Projection mapping technologies: A review of current trends and future directions. 投影绘图技术：当前趋势和未来方向综述。

IF 3.1 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.012

Daisuke Iwai

{"title":"Projection mapping technologies: A review of current trends and future directions.","authors":"Daisuke Iwai","doi":"10.2183/pjab.100.012","DOIUrl":"10.2183/pjab.100.012","url":null,"abstract":"This study summarizes current trends and future directions in projection mapping technologies. Projection mapping seamlessly merges the virtual and real worlds through projected imagery onto physical surfaces, creating an augmented reality environment. Beyond traditional applications in advertising, art, and entertainment, various fields, including medical surgery, product design, and telecommunications, have embraced projection mapping. This study categorizes recent techniques that address technical challenges in accurately replicating desired appearances on physical surfaces through projected imagery into four groups: geometric registration, radiometric compensation, defocus compensation, and shadow removal. It subsequently introduces unconventional projectors developed to resolve specific technical issues and discusses two approaches for overcoming the inherent limitations of projector hardware, such as the inability to display images floating above physical surfaces. Finally, this study concludes the discussion with possible future directions for projection mapping technologies.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 3","pages":"234-251"},"PeriodicalIF":3.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11105974/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140094544","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

Motonori Matuyama and reversals of geomagnetic field. 松山元典与地磁场逆转。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.031

Masaru Kono

{"title":"Motonori Matuyama and reversals of geomagnetic field.","authors":"Masaru Kono","doi":"10.2183/pjab.100.031","DOIUrl":"https://doi.org/10.2183/pjab.100.031","url":null,"abstract":"In 1929, Matuyama published his paper on the magnetization of mostly Quaternary volcanic rocks. In this paper, he described the results of paleomagnetic measurements of volcanic rocks from Japan and nearby areas and concluded that the latest transition of the magnetic field from reversed to normal state occurred in the early Quaternary. In the 1960s, two groups of scientists from the USA and Australia quite vigorously conducted studies of both magnetization and age of volcanic rocks. By about 1966, they completed the reversal timescale for the last 4 million years, which was to become the basis for many earth science studies. For easy reference, they suggested to call the most recent normal or reversed periods as Brunhes, Matuyama, Gauss, and Gilbert polarity epochs, with the names taken from the scientists who made very important contributions to paleomagnetism. Chron is now the official term for the epoch, and each chron is specified by a combination of a number and a character showing the polarity. However, the names of polarity epochs were already so popular that they are still quite frequently used in scientific papers. The Matuyama epoch is between 0.773 and 2.595 million years before present. Moreover, its lower limit is now used to define the start of the Quaternary.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 9","pages":"491-499"},"PeriodicalIF":4.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142626695","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

Kimura's contributions on Earth polar motion studies. 木村对地球极地运动研究的贡献。

IF 3.1 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.002

Masanori Iye

引用次数: 0

Imaging-based chemogenetics for dissecting neural circuits in nonhuman primates. 基于成像的化学遗传学用于解剖非人灵长类动物的神经回路。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.030

Takafumi Minamimoto, Yuji Nagai, Kei Oyama

{"title":"Imaging-based chemogenetics for dissecting neural circuits in nonhuman primates.","authors":"Takafumi Minamimoto, Yuji Nagai, Kei Oyama","doi":"10.2183/pjab.100.030","DOIUrl":"10.2183/pjab.100.030","url":null,"abstract":"Nonhuman primates, particularly macaque and marmoset monkeys, serve as invaluable models for studying complex brain functions and behavior. However, the lack of suitable genetic neuromodulation tools has constrained research at the network level. This review examines the application of a chemogenetic technology, specifically, designer receptors exclusively activated by designer drugs (DREADDs), to nonhuman primates. DREADDs offer a means of reversibly controlling neuronal activity within a specific cell type or neural pathway, effectively targeting multiple brain regions simultaneously. The combination of DREADDs with imaging techniques, such as positron emission tomography and magnetic resonance imaging, has significantly enhanced nonhuman primate research, facilitating the precise visualization and manipulation of specific brain circuits and enabling the detailed monitoring of changes in network activity, which can then be correlated with altered behavior. This review outlines these technological advances and considers their potential for enhancing our understanding of primate brain circuit function and developing novel therapeutic approaches for treating brain diseases.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 8","pages":"476-489"},"PeriodicalIF":4.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11535006/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142473159","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

Key contributions of a glycolipid to membrane protein integration. 糖脂对膜蛋白整合的关键贡献。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2024-01-01 DOI: 10.2183/pjab.100.026

Keiko Shimamoto, Kohki Fujikawa, Tsukiho Osawa, Shoko Mori, Kaoru Nomura, Ken-Ichi Nishiyama

{"title":"Key contributions of a glycolipid to membrane protein integration.","authors":"Keiko Shimamoto, Kohki Fujikawa, Tsukiho Osawa, Shoko Mori, Kaoru Nomura, Ken-Ichi Nishiyama","doi":"10.2183/pjab.100.026","DOIUrl":"10.2183/pjab.100.026","url":null,"abstract":"Regulation of membrane protein integration involves molecular devices such as Sec-translocons or the insertase YidC. We have identified an integration-promoting factor in the inner membrane of Escherichia coli called membrane protein integrase (MPIase). Structural analysis revealed that, despite its enzyme-like name, MPIase is a glycolipid with a long glycan comprising N-acetyl amino sugars, a pyrophosphate linker, and a diacylglycerol (DAG) anchor. Additionally, we found that DAG, a minor membrane component, blocks spontaneous integration. In this review, we demonstrate how they contribute to Sec-independent membrane protein integration in bacteria using a comprehensive approach including synthetic chemistry and biophysical analyses. DAG blocks unfavorable spontaneous integrations by suppressing mobility in the membrane core, whereas MPIase compensates for this. Moreover, MPIase plays critical roles in capturing a substrate protein to prevent its aggregation, attracting it to the membrane surface, facilitating its insertion into the membrane, and delivering it to other factors. The combination of DAG and MPIase efficiently regulates the integration of membrane proteins.","PeriodicalId":20707,"journal":{"name":"Proceedings of the Japan Academy. Series B, Physical and Biological Sciences","volume":"100 7","pages":"387-413"},"PeriodicalIF":4.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11413397/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141860713","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

At the dawn of novel aromatics: "On the Synthesis of Hinokitiol" by Tetsuo Nozoe et al. 新型芳烃的曙光Tetsuo Nozoe 等人撰写的 "论 Hinokitiol 的合成"。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2023-12-11 Epub Date: 2023-08-29 DOI: 10.2183/pjab.99.020

Hiroyuki Isobe

引用次数: 0

Synthesis and applications of helical polymers with dynamic and static memories of helicity. 具有螺旋度动态和静态记忆的螺旋聚合物的合成和应用。

IF 4.4 3区综合性期刊

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences Pub Date : 2023-12-11 Epub Date: 2023-10-18 DOI: 10.2183/pjab.99.025

Eiji Yashima

引用次数: 0